> Message: 3
> Date: Fri, 6 Feb 2004 10:43:24 -0800
> From: Ron Hudson <ron.hudson_at_sbcglobal.net>
> Subject: Re: waaa! Ebay Pollymorphic 88 Item number: 2784817061
> To: "Dwight K. Elvey" <dwight.elvey_at_amd.com>, "General Discussion:
> On-Topic and Off-Topic Posts" <cctalk_at_classiccmp.org>
> Message-ID: <5861EA42-58D4-11D8-A773-000393C5A0B6_at_sbcglobal.net>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> Dwight,
>
> Do you still have the original documentation for the ROM monitor?
> Any way you could scan it?
> pretty please?
>
>
> I used to have a Polly 88, I was in the Navy on a destroyer, and
> it was not a good environment for an s100 computer, When the ship
> was at sea, it would rock back and forth a lot and my s100 would
> suffer from "impact poisoning", Finally I traded my polly 88 for
> an HP41C/Card Reader that was a bit more robust.
>
> Ron
> ron.hudson_at_sbcglobal.net
>
>
> On Friday, February 6, 2004, at 09:51 AM, Dwight K. Elvey wrote:
>
> >
> > Hi All
> > If someone on the list gets this, I have quite a bit of software
> > that I've collected for this machine. It looks like someone has
> > changed the machine to be a CPM machine. It looks to have both
> > the serial ( rs232/20mil ) and cassette interfaces. It seems to
> > be missing the video board ( where the keyboard would connect to ).
> > If someone gets this, I do have a spare video board that I might
> > be talked into trading for something else, if someone wanted to
> > bring it back to an original condition. I also have quite a
> > bit of documentation for the Poly88. It does require a parallel
> > keyboard to work with the video board ( As I recall all console
> > I/O can be revectored at boot using a ROM at 400h. This could
> > make the serial be the console but I don't think the debug
> > monitor is revectored ).
> > Although, the ROM's on the CPU starts at address 0000h, there
> > is a control bit that one can shadow the ROM and allow the machine
> > to exist in complete RAM. I can explain this to anyone that wants
> > to do so. The software I have is all Poly88 cassette based software.
> > I have an assembler, BASIC, many of the Poly demo programs and
> > I also have a ROM based tiny BASIC as well. I have also written
> > code to bootstrap a system from the serial port ( does require
> > the system debug monitor to function ).
> > Dwight
> >
> >> From: "Ron Hudson" <ron.hudson_at_sbcglobal.net>
> >>
> >> And I am between jobs :^(
> >>
> >>
> >
>
>
> ------------------------------
>
> Message: 4
> Date: Fri, 6 Feb 2004 19:26:27 -0000
> From: "Witchy" <witchy_at_binarydinosaurs.co.uk>
> Subject: Merlin Tonto monitor update
> To: "'General Discussion: On-Topic and Off-Topic Posts'"
> <cctalk_at_classiccmp.org>
> Message-ID: <E1ApBan-0000lE-0V_at_anchor-post-31.mail.demon.net>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Evenin' UK folks, afternoon US folks :)
>
> I've just stripped down the Tonto monitor that was screeching and I was
> amazed and not a little alarmed to discover that the HT lead to the tube had
> physically come away!
>
> How the hells can that happen when it's just been sitting on a shelf? After
> appearing in the pix on my Tonto page it went back downstairs and sat on the
> floor of the storage room for a few months before I found shelf space to put
> it on!
>
> Weird.
>
> --
> Adrian/Witchy
> Owner & Webmaster, Binary Dinosaurs
> www.binarydinosaurs.co.uk - possibly the UK's biggest online computer museum
> www.snakebiteandblack.co.uk - ex-monthly gothic shenanigans :o(
>
>
> ------------------------------
>
> Message: 5
> Date: Fri, 6 Feb 2004 21:14:40 +0100 (MET)
> From: "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Subject: *grunt*
> To: cctalk_at_classiccmp.org
> Message-ID: <Pine.BSO.4.44.0402062113470.13947-100000_at_unibus.pdp11.nl>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
> Sorry, just gotta let off steam. Got two new DEC RoamAbout
> cards... bah! These are the UK version, so wont to the one
> in my AP...
>
> *bah*
>
> --f
>
>
> --
> Fred N. van Kempen, DEC (Digital Equipment Corporation) Collector/Archivist
> Visit the VAXlab Project at http://VAXlab.pdp11.nl/
> Visit the Archives at http://www.pdp11.nl/
> Email: waltje_at_pdp11.nl BUSSUM, THE NETHERLANDS / Mountain View, CA, USA
>
>
> ------------------------------
>
> Message: 6
> Date: Fri, 6 Feb 2004 21:29:38 +0100 (MET)
> From: "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Subject: Re: gcc cross compiler for PDP-11
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.BSO.4.44.0402062129160.13947-100000_at_unibus.pdp11.nl>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
> On Tue, 3 Feb 2004, Jochen Kunz wrote:
>
> > GCC 2.95 has serious problems corss compiling across the LP32 / LP64
> > boundary. I can say this out of my own experience as a NetBSD hacker.
> Not relevant for the -11 backend :)
>
> --f
>
>
>
> ------------------------------
>
> Message: 7
> Date: Fri, 6 Feb 2004 20:33:59 +0000
> From: meltie <lists_at_microvax.org>
> Subject: Re: *grunt*
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>, "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Message-ID: <200402062034.00301.lists_at_microvax.org>
> Content-Type: text/plain; charset="iso-8859-1"
>
> On Friday 06 February 2004 20:14, Fred N. van Kempen wrote:
> > Sorry, just gotta let off steam. Got two new DEC RoamAbout
> > cards... bah! These are the UK version, so wont to the one
> > in my AP...
>
> Won't they at least sync up to each other? What's so different about UK vs.
> US versions?
>
> Want to dump them on someone in the UK? ;)
> alex/melt
>
>
> ------------------------------
>
> Message: 8
> Date: Fri, 6 Feb 2004 21:39:37 +0100 (MET)
> From: "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Subject: Re: *grunt*
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.BSO.4.44.0402062137160.13947-100000_at_unibus.pdp11.nl>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
> On Fri, 6 Feb 2004, meltie wrote:
>
> > On Friday 06 February 2004 20:14, Fred N. van Kempen wrote:
> > > Sorry, just gotta let off steam. Got two new DEC RoamAbout
> > > cards... bah! These are the UK version, so wont to the one
> > > in my AP...
> >
> > Won't they at least sync up to each other? What's so different about UK vs.
> > US versions?
> Basically, the 2.4G cards using FH did not yet use the more or
> less standardized channels, since they werent there yet. Instead,
> different sets of usable channels were defined for each of the
> various (mostly non-US) countries, making them largely incomatible
> because of that :(
>
> What we *really* need is a firmware blaster, to re-blast a single
> image into all of these critters- obviously, their hardware is
> exactly the same, its just the software settings...
>
> > Want to dump them on someone in the UK? ;)
> I might, eventually..
>
> --f
>
>
> ------------------------------
>
> Message: 9
> Date: Fri, 06 Feb 2004 16:25:46 -0500
> From: "Jerome H. Fine" <jhfinexgs2_at_compsys.to>
> Subject: Re: [SPAM] - Re: Computer Collectors List - update - Bayesian
> Filter detected spam
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk_at_classiccmp.org>
> Message-ID: <4024065A.AC936305_at_compsys.to>
> Content-Type: text/plain; charset=us-ascii
>
> >Brian Mahoney wrote:
>
> > (I hope this attaches to my first post. My first attempt came up as a
> > separate post. )
> > The standalone list is at this site :
> > http://www.geocities.com/computercollectors/index.htm
> > The same list is also available on a link from my personl page and is here :
> > http://www.geocities.com/SiliconValley/Horizon/9107/collectors.htm
> > From: "Brian Mahoney" <brianmahoney_at_look.ca>
> > To: <cctech_at_classiccmp.org>
> > Sent: Friday, February 06, 2004 11:18 AM
> > Subject: Computer Collectors List - update
> > For several years I have maintained a list of computer collectors on my home
> > page and for the last year I have had a specific site at another url. The
> > list has over 40 names on it. Besides listing the collectors and their
> > contact information (well, most of them anyway) there is an email address
> > for the list itself and I send out emails to list whenever I get a query
> > about donations or sales.
> >
> > Ok, so far so good. The problem is that I don't have email addresses for
> > everyone on the list. Also, there may be members of this group who would
> > like to be on the list. Therefore :
> >
> > 1. Anyone who wants to be on the list, please send me an email at :
> > antiquecomputers_at_hotmail.com
> > Make sure you have a good email addy in your response. Thanks!
> >
> > 2. Anyone on the list who has not provided me with an email by March 1st
> > will be deleted from the list until an emaill address is provided.
> >
> > Please don't respond to this post, unless it is to comment on the lists,
> > respond to : antiquecomputers_at_hotmail.com
> >
> > Lastly, I assume that nearly everyone here has some sort of site on the web.
> > Mine has been up since 1995, relocated in 1997, and has spawned hundreds of
> > emails from all over the world. The list of collectors provides me with a
> > place to turn when I get leads about computers in Europe and the States.
> > Since I don't buy computers any more, only taking donations, any offers of
> > computers for sale or from locations outside of metro Toronto that are sent
> > to my home page email adress, are sent to the members of the list. ALL
> > requests to the antiquecomputers_at_hotmail.com email address are re-sent to
> > members of the list. Hope this makes sense !
>
> Jerome Fine replies:
>
> Your links can't be used by the version of Netscape that
> I am using - V4.78. Do you think it might be possible to
> make it backward compatible?
>
> Sincerely yours,
>
> Jerome Fine
> --
> If you attempted to send a reply and the original e-mail
> address has been discontinued due a high volume of junk
> e-mail, then the semi-permanent e-mail address can be
> obtained by replacing the four characters preceding the
> 'at' with the four digits of the current year.
>
>
> ------------------------------
>
> Message: 10
> Date: Fri, 6 Feb 2004 21:41:02 -0000
> From: "Antonio Carlini" <arcarlini_at_iee.org>
> Subject: RE: *grunt*
> To: "'General Discussion: On-Topic and Off-Topic Posts'"
> <cctalk_at_classiccmp.org>
> Message-ID: <004a01c3ecf9$ec85cf30$5b01a8c0_at_athlon>
> Content-Type: text/plain; charset="us-ascii"
>
> > What we *really* need is a firmware blaster, to re-blast a
> > single image into all of these critters- obviously, their
> > hardware is exactly the same, its just the software settings...
>
> The new (802.11b) firmware was available from Cabletron
> and/or DNPG. But the firmware you seem to have (the
> pre-802.11b stuff, ie the original stuff) is harder
> to get hold of (ctron/dnpg stopped making it available
> on the web years ago). So you want to find some
> way of preserving it before you go overwriting it.
> (Always assuming there *is* some way of getting
> it off again).
>
> Antonio
>
>
> --
>
> ---------------
> Antonio Carlini arcarlini_at_iee.org
>
>
>
> ------------------------------
>
> Message: 11
> Date: Fri, 6 Feb 2004 23:10:10 +0100 (MET)
> From: "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Subject: RE: *grunt*
> To: arcarlini_at_iee.org, "General Discussion: On-Topic and Off-Topic
> Posts" <cctalk_at_classiccmp.org>
> Message-ID: <Pine.BSO.4.44.0402062307500.12807-100000_at_unibus.pdp11.nl>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
> On Fri, 6 Feb 2004, Antonio Carlini wrote:
>
> > The new (802.11b) firmware was available from Cabletron
> > and/or DNPG.
> Yes.
>
> > But the firmware you seem to have (the
> > pre-802.11b stuff, ie the original stuff) is harder
> > to get hold of (ctron/dnpg stopped making it available
> > on the web years ago).
> Yes, that was apparent. The real question is.. how/where do
> we find it.
>
> > So you want to find some
> > way of preserving it before you go overwriting it.
> > (Always assuming there *is* some way of getting
> > it off again).
> The tools they used to localize the generic cards by blasting
> a set of {firmware+settings} would be needed. I assume this
> was done by DEC, not Ctron, so I'll just have to find someone
> who knows about it and bother to no end...
>
> --f
>
>
> ------------------------------
>
> Message: 12
> Date: Fri, 6 Feb 2004 15:51:33 -0500
> From: "BowlARoll" <bowlarol_at_rochester.rr.com>
> Subject: 3M/Imation DC2000 tapes
> To: <cctech_at_classiccmp.org>
> Message-ID: <000801c3ecf3$01813980$86d8d518_at_BOWLAROLL>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello:
>
> Are these tapes available and at what cost? You can reach me at 585-427-7250. Thanks.
>
> 20 Imation DC2000 40meg
>
> BillFrom cctalk-admin Fri Feb 6 13:03:59 2004
> Received: from c000.snv.cp.net (h019.c000.snv.cp.net [209.228.32.83])
> by huey.classiccmp.org (8.12.8p1/8.12.8) with SMTP id i16J3wOD065850
> for <cctalk_at_classiccmp.org>; Fri, 6 Feb 2004 13:03:58 -0600 (CST)
> (envelope-from keith_at_saracom.com)
> Received: (cpmta 638 invoked from network); 6 Feb 2004 10:51:48 -0800
> Received: from 209.228.32.74 (HELO mail.saracom.com.criticalpath.net)
> by smtp.saracom.com (209.228.32.83) with SMTP; 6 Feb 2004 10:51:48 -0800
> X-Sent: 6 Feb 2004 18:51:48 GMT
> Received: from [207.140.180.2] by mail.saracom.com with HTTP;
> Fri, 06 Feb 2004 10:51:47 -0800 (PST)
> Content-Type: text/plain; charset=iso-8859-1
> Content-Disposition: inline
> Content-Transfer-Encoding: 7bit
> MIME-Version: 1.0
> To: cctalk_at_classiccmp.org
> From: order_at_saracom.com
> X-Sent-From: keith_at_saracom.com
> Date: Fri, 06 Feb 2004 10:51:47 -0800 (PST)
> X-Mailer: Web Mail 5.6.0-2_sol28
> Message-Id: <20040206105148.1551.h010.c000.wm_at_mail.saracom.com.criticalpath.net>
> X-Mailman-Approved-At: Fri, 06 Feb 2004 17:00:28 -0600
> Subject: Re: 600 Volt Outlet - was "General Discussion: On-Topic and
> Off-Topic Posts"
> X-BeenThere: cctalk_at_classiccmp.org
> X-Mailman-Version: 2.1.2
> Precedence: list
> Reply-To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> List-Id: General Discussion: On-Topic and Off-Topic Posts
> <cctalk.classiccmp.org>
> List-Unsubscribe: <http://www.classiccmp.org/mailman/listinfo/cctalk>,
> <mailto:cctalk-request_at_classiccmp.org?subject=unsubscribe>
> List-Archive: <http://www.classiccmp.org/pipermail/cctalk>
> List-Post: <mailto:cctalk_at_classiccmp.org>
> List-Help: <mailto:cctalk-request_at_classiccmp.org?subject=help>
> List-Subscribe: <http://www.classiccmp.org/mailman/listinfo/cctalk>,
> <mailto:cctalk-request_at_classiccmp.org?subject=subscribe>
>
> > Message: 21
> > Date: Fri, 6 Feb 2004 01:16:24 -0700
> > From: "ed sharpe" <esharpe_at_uswest.net>
> > Subject: Re: Greedy E-bay idiots!
> > To: "General Discussion: On-Topic and Off-Topic Posts"
> > <cctalk_at_classiccmp.org>
> > Message-ID:
> > <002601c3ec89$82ca0c20$25696e44_at_SONYDIGITALED>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > now what the hell is a 600 volt outlet?
> >
> > 110 220 440 maybe but 600 volt? hmm.....
> >
> >
>
> I use it all the time but in a non-standard
> application. I do AC power fault simulation on
> Telco equipment. Since the tranformers are standard
> off the shelf units, I thought I would ask an engineer
> friend.
>
> Industrial induction motors use 1000 volt feed from a
> delt transformer. It comes out 1000 line to line or
> 577 line to ground. 577 is effectively 600. Most
> of your wiring and other devices are rated at 600vac.
>
> Max
>
> ------------------------------
>
> Message: 13
> Date: Sat, 7 Feb 2004 00:19:18 +0100 (MET)
> From: "Fred N. van Kempen" <waltje_at_pdp11.nl>
> Subject: *blush (RE: *grunt*)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.BSO.4.44.0402070014220.12807-100000_at_unibus.pdp11.nl>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
> Hrrm.
>
> You know... sometimes it *really* helps to ask a woman whether
> you still look OK or not.....
>
> I basically realized, that *although* the RoamAbout card *did*
> see the access point, it did not get any traffic through. That
> is, hmm, odd.
>
> ... until it daunted upon me. "AHEM. Is the segment on which
> the AP resides, actually connected to the backbone????"
>
> So.. I ran upstairs, and sure enough... the BNC connector from
> that segment was unplugged from the DEMPR. Waaaaah!
>
> Why? Well, I had a weird problem here when I was in the U.S.,
> and I had my jump-in sys admin disconnect all networks that were
> not needed for core operations.... :(
>
> So there. It works now. At least the UK and DE/NL versions of
> the RoamAbout cards *do* talk together. They both hate the U.S.
> card, though....
>
> Cheers,
> Fred
> --
> Fred N. van Kempen, DEC (Digital Equipment Corporation) Collector/Archivist
> Visit the VAXlab Project at http://VAXlab.pdp11.nl/
> Visit the Archives at http://www.pdp11.nl/
> Email: waltje_at_pdp11.nl BUSSUM, THE NETHERLANDS / Mountain View, CA, USA
>
>
> ------------------------------
>
> Message: 14
> Date: Fri, 6 Feb 2004 18:39:18 -0500 (EST)
> From: John Lawson <jpl15_at_panix.com>
> Subject: Dec core mem on eBay
> To: cctalk_at_classiccmp.org
> Message-ID: <Pine.NEB.4.58.0402061834130.13021_at_panix2.panix.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
>
> I snagged this for $20.... just for a nice trophy. Suprising no one else
> bid on it...
>
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3075270294&category=1479&sspagename=STRK%3AMEBWN%3AIT&rd=1
>
>
> Anyway - thought it would look cool unfolded and hanging on the Machine
> Room wall....
>
>
>
> Cheers
>
> John
>
>
>
> ------------------------------
>
> Message: 15
> Date: Fri, 6 Feb 2004 18:42:16 -0500
> From: "Brian Mahoney" <brianmahoney_at_look.ca>
> Subject: Re: [SPAM] - Re: Computer Collectors List - update - Bayesian
> Filter detected spam
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <001701c3ed0a$ecd5db40$0300a8c0_at_look.ca>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> ----- Original Message -----
> From: "Jerome H. Fine" <jhfinexgs2_at_compsys.to>
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Sent: Friday, February 06, 2004 4:25 PM
> Subject: Re: [SPAM] - Re: Computer Collectors List - update - Bayesian
> Filter detected spam
>
>
> > >Brian Mahoney wrote:
> I'm not really sure how to do that, I use Dreamweaver to set up the page.
> I'll check the settings to see what comes up. I know that IE6 always says
> 'done but with errors' and what the heck that means, I'll never know. Let me
> work on it.
> B.M.
>
> > Jerome Fine replies:
> >
> > Your links can't be used by the version of Netscape that
> > I am using - V4.78. Do you think it might be possible to
> > make it backward compatible?
> >
> > Sincerely yours,
> >
> > Jerome Fine
> > --
> > If you attempted to send a reply and the original e-mail
> > address has been discontinued due a high volume of junk
> > e-mail, then the semi-permanent e-mail address can be
> > obtained by replacing the four characters preceding the
> > 'at' with the four digits of the current year.
> >
> >
>
>
> ------------------------------
>
> Message: 16
> Date: Fri, 06 Feb 2004 20:24:22 -0500
> From: "David V. Corbin" <dvcorbin_at_optonline.net>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <JLEJKJEAMDDFLNHBPHENOEHAEIAA.dvcorbin_at_optonline.net>
> Content-Type: text/plain; charset=us-ascii
>
> John, hopefully you are joking about using this card as "art". There are
> many of us who could and would put it do good use in an active machine.
>
> David.
>
>
> -----Original Message-----
> From: cctalk-bounces_at_classiccmp.org
> [mailto:cctalk-bounces_at_classiccmp.org]On Behalf Of John Lawson
> Sent: Friday, February 06, 2004 6:39 PM
> To: cctalk_at_classiccmp.org
> Subject: Dec core mem on eBay
>
>
>
>
> I snagged this for $20.... just for a nice trophy. Suprising no one else
> bid on it...
>
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3075270294&category=1479&
> sspagename=STRK%3AMEBWN%3AIT&rd=1
>
>
> Anyway - thought it would look cool unfolded and hanging on the Machine
> Room wall....
>
>
>
> Cheers
>
> John
>
>
>
> ------------------------------
>
> Message: 17
> Date: Fri, 6 Feb 2004 19:42:08 -0600
> From: "Jay West" <jwest_at_classiccmp.org>
> Subject: Re: HP2000/Access - (benchmarks)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <003301c3ed1b$99953be0$6400a8c0_at_HPLAPTOP>
> Content-Type: text/plain; charset="UTF-8"
>
> Mike wrote....
> > Here's a quick chain test for doing 255 (+-) chains with timing for my
> > SIMH configuration as described (about 23 sec.) I would hope that real
> hardware
> > would out perform it. If not I'll have to think about what could be wrong
> with
> > the simulator and come up with another test. Let me know what you get,
> Jay, next
> > time you have her up.
>
> Chain test results on dual 2100(32Kw) 7906 drive
>
> 28 2
> 28 45
>
> this should mean about 43 seconds
>
> Notes:
> 1) This test really doesn't test much other than the disk drive data
> transfer rate, cpu excercising is negligable.
> 2) An emulator should vastly outperform a real disk drive, especially
> assuming "short cuts" are taken and internally the software isn't going
> through the same steps the real hardware is.
>
> Jay West
>
>
> ------------------------------
>
> Message: 18
> Date: Fri, 6 Feb 2004 19:47:00 -0600
> From: "Jay West" <jwest_at_classiccmp.org>
> Subject: stuff noticed at surplus in st. louis
> To: <cctalk_at_classiccmp.org>
> Message-ID: <003901c3ed1c$4856a150$6400a8c0_at_HPLAPTOP>
> Content-Type: text/plain; charset="iso-8859-1"
>
> A couple of PowerMac 5260/100 machines, condition unknown (forgive me if
> this is too recent for the list, I know nothing about them as to age).
>
> They recently got in a HUGE shipment of old tubes.. all different sizes...
> some pretty odd looking ones too. Anyone want me to look for a particular
> one?
>
> Jay West
>
>
> ------------------------------
>
> Message: 19
> Date: Fri, 6 Feb 2004 21:03:51 -0500 (EST)
> From: John Lawson <jpl15_at_panix.com>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.NEB.4.58.0402062050001.7518_at_panix2.panix.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
>
> On Fri, 6 Feb 2004, David V. Corbin wrote:
>
> > John, hopefully you are joking about using this card as "art". There are
> > many of us who could and would put it do good use in an active machine.
>
> Yo Dave: Keep yer shirt on.
>
> If you look at the pix on the ebay page, you will notice that this is only
> half the system, and I contacted the seller (who I know) - it's all they
> have. Its just the core planes and the switching logic. Its a 32KW
> stack, BTW...
>
> I have been active in this hobby for many years, have owned several very
> rare systems and devices, and rescued and put back in service my share of
> legacy computing machinery, software and docs and books. I give a lot of
> volunteer time as well. I deplore folks who tear up computing history for
> 'art' if there's a good chance that a system could be 'saved' otherwise.
> There is a special place in Hell for one individual of my acquaintance,
> who's "hobby" is collecting just the console panels from mainframes and
> minis - the which Hobby he pursues with screwdriver and diagonal cutters.
> He sees nothing wrong with that activity, BTW... ;{}
>
> In this case - I'm not *destroying* the board, and anyway it's condition
> is unknown - could already be electrical trash - I won't know until I get
> it. But nonetheless, I intend to frame it, open, and hang it on the wall
> in my machine room, Dave. I think it's beautiful, and I think it's enough
> of a piece of computing history that various people might like to have a
> look at real core memory. Our IT guy at work has been doing computers for
> a living for quite a while, and he had no real idea what the word 'core'
> actually meant....
>
> Now, if it came to my attention that there was a specific, rare or
> one-of-a-kind machine that could be restored to full operation but for the
> board that I have - you can bet it would be in FedEx the next day to that
> site, and I'd find another.
>
> Anyway, DEC core stacks are not all that rare - two of the machines from
> my last big collection had core memory. I want this one to be a display
> piece in my personal collection... and so it shall be.
>
>
> Cheerz
>
> John
>
>
> ------------------------------
>
> Message: 20
> Date: Fri, 06 Feb 2004 21:39:51 -0500
> From: "David V. Corbin" <dvcorbin_at_optonline.net>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <JLEJKJEAMDDFLNHBPHENAEHDEIAA.dvcorbin_at_optonline.net>
> Content-Type: text/plain; charset=us-ascii
>
> John,
>
> Glad to hear it, sorry if I jumped on you, but it had been a rough day, and
> I recently lost a good shot at an acquisition to a person known for "kut and
> scrap".
>
> My apologies.
>
> David.
>
> -----Original Message-----
> From: cctalk-bounces_at_classiccmp.org
> [mailto:cctalk-bounces_at_classiccmp.org]On Behalf Of John Lawson
> Sent: Friday, February 06, 2004 9:04 PM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: RE: Dec core mem on eBay
>
>
>
>
> On Fri, 6 Feb 2004, David V. Corbin wrote:
>
> > John, hopefully you are joking about using this card as "art". There are
> > many of us who could and would put it do good use in an active machine.
>
> Yo Dave: Keep yer shirt on.
>
> If you look at the pix on the ebay page, you will notice that this is only
> half the system, and I contacted the seller (who I know) - it's all they
> have. Its just the core planes and the switching logic. Its a 32KW
> stack, BTW...
>
> I have been active in this hobby for many years, have owned several very
> rare systems and devices, and rescued and put back in service my share of
> legacy computing machinery, software and docs and books. I give a lot of
> volunteer time as well. I deplore folks who tear up computing history for
> 'art' if there's a good chance that a system could be 'saved' otherwise.
> There is a special place in Hell for one individual of my acquaintance,
> who's "hobby" is collecting just the console panels from mainframes and
> minis - the which Hobby he pursues with screwdriver and diagonal cutters.
> He sees nothing wrong with that activity, BTW... ;{}
>
> In this case - I'm not *destroying* the board, and anyway it's condition
> is unknown - could already be electrical trash - I won't know until I get
> it. But nonetheless, I intend to frame it, open, and hang it on the wall
> in my machine room, Dave. I think it's beautiful, and I think it's enough
> of a piece of computing history that various people might like to have a
> look at real core memory. Our IT guy at work has been doing computers for
> a living for quite a while, and he had no real idea what the word 'core'
> actually meant....
>
> Now, if it came to my attention that there was a specific, rare or
> one-of-a-kind machine that could be restored to full operation but for the
> board that I have - you can bet it would be in FedEx the next day to that
> site, and I'd find another.
>
> Anyway, DEC core stacks are not all that rare - two of the machines from
> my last big collection had core memory. I want this one to be a display
> piece in my personal collection... and so it shall be.
>
>
> Cheerz
>
> John
>
>
> ------------------------------
>
> Message: 21
> Date: Fri, 6 Feb 2004 18:51:18 -0800 (PST)
> From: "O. Sharp" <ohh_at_drizzle.com>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.LNX.4.44.0402061834350.9788-100000_at_drizzle.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
> Quoth John Lawson:
>
> > If you look at the pix on the ebay page, you will notice that this is only
> > half the system, and I contacted the seller (who I know) - it's all they
> > have. Its just the core planes and the switching logic. Its a 32KW
> > stack, BTW...
>
> 32Kw x 18, and with ICs around the core planes... was this for a PDP-15,
> or perhaps a PDP-9?
>
> > [...] nonetheless, I intend to frame it, open, and hang it on the wall
> > in my machine room, Dave. I think it's beautiful, and I think it's enough
> > of a piece of computing history that various people might like to have a
> > look at real core memory. Our IT guy at work has been doing computers for
> > a living for quite a while, and he had no real idea what the word 'core'
> > actually meant....
>
> Core memories are indeed beautiful. That is, until you have to find and
> repair a bad connection on one... <cringe> ...well, okay, they're _still_
> beautiful, but in an infinitely more frustrating sort of way. :)
>
> I think it's amusing that there are computer people who have never seen or
> worked with core memory. O'course, I also have coworkers who have never
> owned a 33-1/3 record, and more recently coworkers who think the idea of a
> telephone with a cord attached is antiquated. Damn. I _am_ getting old,
> aren't I? :)
>
> -O.-
>
> ...but then, I've never used a punch-card or a drum memory, so maybe I
> _am_ young. :) :)
>
>
> ------------------------------
>
> Message: 22
> Date: Fri, 6 Feb 2004 21:54:53 -0500 (EST)
> From: John Lawson <jpl15_at_panix.com>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.NEB.4.58.0402062144510.7518_at_panix2.panix.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
>
> On Fri, 6 Feb 2004, David V. Corbin wrote:
>
> > John,
> >
> > Glad to hear it, sorry if I jumped on you, but it had been a rough day, and
> > I recently lost a good shot at an acquisition to a person known for "kut and
> > scrap".
>
>
> Well I know. There's an original ad for the Bendix G-15 (I had one
> once...) on eBay that I stopped bidding on after it got above $20... but
> the high bidder's 'me' page says he's a preservationist, so we'll see.
>
> And I've missed many things over the years... "Oh, we thought that was
> junk."
>
> For example - I work in the same building as a manufacturing company
> with dozens of metal-working machines. I'm good friends with the foreman,
> who has been an NC and CNC master machinist for many years. I was telling
> him about my collection - and he said, "Hey - you don't want an old
> Flexowriter or two...? they're up on the shelf in my old shop in Palo
> Alto."
>
> Well you can imagine my response. BUT:
>
> Long story short... they were tossed in the dumpster in September of
> last year to make room for an upgraded phone system....
>
>
> YYYAAHHHHHHH!!!!!!!!! ;{ GRRRRR...
>
>
> So it's part and parcel of our Hobby... just because *I* see a rack of
> PDP11 stuff in a certain light doesn't necessarily map onto the
> conciousness of the poor schmoe who has to get it out of the warehouse and
> onto the loading dock and into the roll-off before the scrap company shows
> up to haul all that old shit away...
>
>
> And thanks for your well-meant concern! Without us, there'd be no
> LGP-20s, Bendix G-15s, Apple Is.... left in the world.
>
>
> Cheers
>
> John
>
>
>
> ------------------------------
>
> Message: 23
> Date: Fri, 6 Feb 2004 20:59:49 -0600
> From: "Jay West" <jwest_at_classiccmp.org>
> Subject: Atari available
> To: <cctalk_at_classiccmp.org>
> Message-ID: <004001c3ed26$7342e590$6400a8c0_at_HPLAPTOP>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Local surplus dealer has an Atari 800XL available, he held it for me cause
> he knows I collect computers. However, I have no interest in it. He just
> wants someone to make him an offer. No monitor or power supply, condition
> unknown. He probably doesn't want much for it. Email me if you want his
> contact info.
>
> Jay West
>
>
> ------------------------------
>
> Message: 24
> Date: Fri, 06 Feb 2004 22:04:36 -0500
> From: "David V. Corbin" <dvcorbin_at_optonline.net>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <JLEJKJEAMDDFLNHBPHENMEHDEIAA.dvcorbin_at_optonline.net>
> Content-Type: text/plain; charset=us-ascii
>
> -0.-
>
> Speaking of vinyl...Do you have any 78s or even better 16s? (I have about
> 40 from 1955 and earlier!)
>
> If you never dropped a box on unmarked, non-sequenced cards, you havent
> lived!!!
>
> ===============================
>
> John.
>
> I know a person (local here on LI) who has 3x ASR-33, 1x ASR-43, 1x
> Freiden Flexowriter (exact model unknown at this point).
>
> All believed to be in working order.
>
> The problem is that will only dig them out of storage for someone who will
> take the entire lot. I have no interest in the Flexowriter (but would never
> want to see one destroyed), and can really only use one of the ASR-33's. If
> you would be interested in helping to split up the lot (he wants a fairly
> high price, but if the quality is good....), please contact me off list.
>
> ==========================
>
> David...
>
>
>
> ------------------------------
>
> Message: 25
> Date: Fri, 06 Feb 2004 22:09:53 -0500
> From: Curt Vendel <curt_at_atarimuseum.com>
> Subject: Re: Atari available
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk_at_classiccmp.org>
> Message-ID: <40245701.9080408_at_atarimuseum.com>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
> Thanks Jay, I have plenty of them, I'm going to pass.
>
>
> Curt
>
>
>
> Jay West wrote:
>
> >Local surplus dealer has an Atari 800XL available, he held it for me cause
> >he knows I collect computers. However, I have no interest in it. He just
> >wants someone to make him an offer. No monitor or power supply, condition
> >unknown. He probably doesn't want much for it. Email me if you want his
> >contact info.
> >
> >Jay West
> >
> >
> >
> >
>
> --
>
>
> Curt Vendel & Karl Morris
> -----------------------------------------------------------------------
> The Atari Museum
> http://www.atarimuseum.com
>
> The Atari Explorer
> http://www.atari-explorer.com
>
>
>
>
>
>
> ------------------------------
>
> Message: 26
> Date: Fri, 6 Feb 2004 21:10:44 -0600
> From: "Jay West" <jwest_at_classiccmp.org>
> Subject: more on ibm paradise card
> To: <cctalk_at_classiccmp.org>
> Message-ID: <006201c3ed27$f9cf5d90$6400a8c0_at_HPLAPTOP>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Ok, took a closer look at the paradise card in my IBM 5150.
>
> It's actually two full length boards, stacked together with standoffs. The
> "main" board has on the back bracket (from top to bottom), a two position
> slide switch, a DE9, an RCA jack, and another DE9. Has a sticker saying
> "DM104338", I'm guessing a serial number maybe. Etched on the board is "Assy
> 15100".
>
> On the second board in the stack, it says "Paradise Systems, Inc." and
> "Multidisplay card". Silkscreened on the board is "Assy 15200", and "CADAC
> M01". Also has a sticker, "DM504338", and here's the kicker... hanging off
> this full length "daughter card" is a ribbon cable that goes to a 2nd
> bracket with a DB25F connector, I would guess parallel port.
>
> >From googling on the net, best I can decipher (VERY little info on it), it
> may be a combo MDA/CGA card.
>
> Can anyone fill in any more info?
>
> Jay West
>
>
> ------------------------------
>
> Message: 27
> Date: Fri, 6 Feb 2004 21:12:43 -0600
> From: "Jay West" <jwest_at_classiccmp.org>
> Subject: Re: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <006a01c3ed28$4103d1f0$6400a8c0_at_HPLAPTOP>
> Content-Type: text/plain; charset="iso-8859-1"
>
> > If you never dropped a box on unmarked, non-sequenced cards, you havent
> > lived!!!
> If they are unmarked, there is no problem ;)
>
> I'm a young 39, and I HAVE programmed on punched cards, both on an IBM 24 I
> think it was, submitting programs to VM/CMS/HASP, and also on an HP2000C &
> HP2000/Access :)
>
>
> ------------------------------
>
> Message: 28
> Date: Fri, 06 Feb 2004 23:08:36 -0500
> From: "David V. Corbin" <dvcorbin_at_optonline.net>
> Subject: RE: Dec core mem on eBay
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <JLEJKJEAMDDFLNHBPHENKEHFEIAA.dvcorbin_at_optonline.net>
> Content-Type: text/plain; charset=iso-8859-1
>
> >>> If you never dropped a box on unmarked, non-sequenced cards, you havent
> >>> lived!!!
>
> >>If they are unmarked, there is no problem ;)
>
> I was not referring to un-punched cards, but rather to cards that contained
> ordered data (such as program source without line numbers) which had not
> been marked with a pen/pencil/crayon diagonally across the top of the deck.
>
> Without the mark, sorting out the cards was virtually impossible. At least
> with a diagonal mark each card would have a short line on the top edge.
> Cards from the front of the deck would have the line on the left, cards from
> the back on the right. This gave a quick method of getting the cards back
> into order. A card that was out of sequence would show rather quickly when
> the deck was re-assembled.
>
>
>
>
>
> ------------------------------
>
> Message: 29
> Date: Sat, 7 Feb 2004 06:00:50 +0100
> From: "Nico de Jong" <nico_at_farumdata.dk>
> Subject: Re: 3M/Imation DC2000 tapes
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <002101c3ed37$5bab19f0$2201a8c0_at_finans>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> >Are these tapes available and at what cost? You can reach me at
> 585-427-7250. Thanks.
> >20 Imation DC2000 40meg
> >Bill
>
> I have at least 10 DC2120 tapes from Mitsubishi available, all new AFAIR
>
> We can discuss the price. Dont forget the Postage
>
> Nico
>
>
> ------------------------------
>
> Message: 30
> Date: Fri, 6 Feb 2004 22:29:03 -0700
> From: CRC <technobug_at_comcast.net>
> Subject: Aluminum Electrolytics (was: M7891-DC 2a fuse on +12? fixed!)
> To: cctalk_at_classiccmp.org
> Message-ID: <8A7F02B6-592E-11D8-AAFD-003065B0DA30_at_comcast.net>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> On On Thu, 5 Feb 2004 15:47:34 -0800 (PST), Vintage Computer Festival
> <vcf_at_siconic.com> wrote:
>
> > One second? I've always been told to do this over the course of at
> > least
> > a couple hours in 5V increments.
> >
> > If I can be doing this in a much quicker time then I'd really like to
> > know
> > about it.
> >
> [...]
> And on Thu, 5 Feb 2004 19:04:52 -0500 (EST), ohn Lawson
> <jpl15_at_panix.com> also wrote:
>
>
> > Then duck! IMHO opinion, and over 40+ years experience, to reform
> > funky caps takes anywhere from a few minutes to over an hour,
> > depending on
> > many variables. If you think you've formed an electrolytic in one
> > second,
> > it was either tiny or good-to-begin-with.
> >
> > But the thing most folks forget is to somehow monitor the *current*
> > being drawn during the Process of Reformation.
> >
> > Here endeth the Lesson.
> >
> >
> >
> >>
> >> One second? I've always been told to do this over the course of at
> >> least
> >> a couple hours in 5V increments.
> >>
> >
> >
> > Again - it depends on the voltage/capacity of the filters involved,
> > and
> > just how "bad" gthey are. One simply cannot place an arbitrary
> > voltage/time delta on all power supplies.
> >
> > The Ammeter (or it's analog) is here your friend.
> >
> Also at Thu, 5 Feb 2004 16:12:53 -0800, "vrs" <vrs_at_msn.com> commented:
> >>>>
>
> >>>> To safely re-energize a piece of equipment that is long in the tooth
> >>>> and has been sitting around for some time, you have to bring the
> >>>> voltage up relatively slowly to allow the electrolytic caps to
> >>>> re-polarize. Everyone who is collecting should own a good-sized
> > Variac.
> >>>> You power the box up by bringing the voltage from naught to the
> >>>> operational level with the Variac over a period of about a second or
> >>
> >> Then duck! IMHO opinion, and over 40+ years experience, to reform
> >> funky caps takes anywhere from a few minutes to over an hour,
> >> depending on
> >> many variables. If you think you've formed an electrolytic in one
> >> second,
> >> it was either tiny or good-to-begin-with.
> >
> > When I read this, I took it to mean the Variac was a preferred method
> > for
> > turning on equipment *after* the caps had been reformed, as a matter of
> > routine. (Otherwise it made no sense to me, based on what I know of
> > reformation.) That may not be a good idea, but I couldn't dismiss it
> > out of
> > hand.
> >
>
> I reference <http://www.nichicon.com/english/lib/alminium.pdf>, and
> excellent overview of aluminum capacitors...
>
> The controlling parameter in reforming a capacitor is the amount of
> heat generated. Generate too much and you blow things up. We have to
> consider two cases: the capacitor is in circuit, or out of circuit.
>
> In the latter case, the recommended method of reforming is by applying
> the forming voltage through a limiting resistor and then letting the
> capacitor form at voltage over a period of time with the limiting
> resistor in circuit. As commented above, the current should be
> monitored, but the critical term is the final leakage current. If it is
> out of spec, there is nothing you can do... A capacitor manufacturer
> used to be in town and they had to monitor old stock for mil spec
> reasons. Their criteria for reforming old stock was a case temp rise of
> no more than 5 degrees C and the leakage current had to be in spec in
> less than 10 minutes.
>
> An old electrolytic that takes a long time to reform has probably lost
> electrolyte and should be considered suspect (its ESR is probably
> miserable and capacitance below spec).
>
> The case of in-circuit caps: With a lot of equipment, if you put it in
> a brown-out condition, you can fry the silicon. Older switchers are
> notorious for burning up when operated below their minimum voltage for
> any length of time. In any case, when lighting equipment, the primary
> concern is the front end caps. If the leakage current is substantial,
> you will blow the fuse or take out the rectifier (valves don't have
> this problem). By using a Variac to bring up the voltage over several
> seconds, you mitigate the surge and allow initial reforming to take
> place. If things go, you might as well replace the caps.
>
> Depending on the power supply, caps down stream will either see the
> operating voltage and have to "live" or, in the case where the power
> supply current limits, will pull down the power supply until formed,
> if . In the case of switchers, they have a tendency to *turn on* if
> substantially over-rated (hey, remember we have been taught that it's
> only current that counts ;<)).
>
> So all is not cut and dried. You have to know what you are working
> with... Hey, and I match your 40+ and raise you a few...
>
>
> ------------------------------
>
> Message: 31
> Date: Fri, 6 Feb 2004 22:30:19 -0700
> From: "ed sharpe" <esharpe_at_uswest.net>
> Subject: Re: 600 Volt Outlet - was "General Discussion: On-Topic
> andOff-Topic Posts"
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <002301c3ed3b$799977a0$25696e44_at_SONYDIGITALED>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Yes I know the wiring is rated at 600 but I have not seen any semi modern
> gear that required it....
>
> ed!
> ----- Original Message -----
> From: <order_at_saracom.com>
> To: <cctalk_at_classiccmp.org>
> Sent: Friday, February 06, 2004 11:51 AM
> Subject: Re: 600 Volt Outlet - was "General Discussion: On-Topic
> andOff-Topic Posts"
>
>
> > > Message: 21
> > > Date: Fri, 6 Feb 2004 01:16:24 -0700
> > > From: "ed sharpe" <esharpe_at_uswest.net>
> > > Subject: Re: Greedy E-bay idiots!
> > > To: "General Discussion: On-Topic and Off-Topic Posts"
> > > <cctalk_at_classiccmp.org>
> > > Message-ID:
> > > <002601c3ec89$82ca0c20$25696e44_at_SONYDIGITALED>
> > > Content-Type: text/plain; charset="iso-8859-1"
> > >
> > > now what the hell is a 600 volt outlet?
> > >
> > > 110 220 440 maybe but 600 volt? hmm.....
> > >
> > >
> >
> > I use it all the time but in a non-standard
> > application. I do AC power fault simulation on
> > Telco equipment. Since the tranformers are standard
> > off the shelf units, I thought I would ask an engineer
> > friend.
> >
> > Industrial induction motors use 1000 volt feed from a
> > delt transformer. It comes out 1000 line to line or
> > 577 line to ground. 577 is effectively 600. Most
> > of your wiring and other devices are rated at 600vac.
> >
> > Max
> >
> >
>
>
>
> ------------------------------
>
> Message: 32
> Date: Fri, 6 Feb 2004 21:45:30 -0800
> From: Al Kossow <aek_at_spies.com>
> Subject: Re: Dec core mem on eBay
> To: classiccmp_at_classiccmp.org
> Message-ID: <200402070545.i175jUMe011877_at_spies.com>
>
>
>
> 32Kw x 18, and with ICs around the core planes... was this for a PDP-15,
> or perhaps a PDP-9?
>
> --
>
> byte parity
>
>
> ------------------------------
>
> Message: 33
> Date: Sat, 7 Feb 2004 00:56:50 -0500 (EST)
> From: John Lawson <jpl15_at_panix.com>
> Subject: Re: Aluminum Electrolytics (was: M7891-DC 2a fuse on +12?
> fixed!)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <Pine.NEB.4.58.0402070042140.7518_at_panix2.panix.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
>
> On Fri, 6 Feb 2004, CRC wrote:
>
> >
> > So all is not cut and dried. You have to know what you are working
> > with... Hey, and I match your 40+ and raise you a few...
> >
> >
>
> [finds reading glasses, Geritol, don't need teeth... lessee here]
>
>
>
> Waaaallll.... no duh! BUT: I was preaching to the congregation, not the
> choir.
>
> You and I probably can deliver chapter and verse on the care and feeding
> of fundamental components, their history and evolution, physics,
> chemistry, mechanics and electronics of them... no doubt.
>
> But a lot of folks on the list (most of the folks on the List) are not EEs
> or MSEs or PhDEs... and we have a very mixed approach to actual
> 'electronics' - from those who have long careers behind them in design and
> implementation of electronic circuits and devices - to those to whom
> electricity is a mystery, an unknown field.
>
> So when it is stated in simple language that one can form/reform
> questionable electrolytics in 'one second' with a Variac (or whatever) -
> this is exposing people to danger and property to damage, IMHO.
>
> That's the point I was trying to make - that there is no 'general case'
> when bringing up gear with long inop times - and that one cannot prescribe
> a fixed time span to reform the caps in a (linear) power supply by the
> Variac method, unless one is aware of the various other points you bring
> up.
>
>
> And of course you're spot-on in reference to SMPSUs - 'brown' input
> voltages will often kill 'em dead.
>
> And speaking of War Stories: Ever been in the same room with an
> exploding 1.7F 800VDC storage bank?
>
> It's LOUD......
>
>
> ;}
>
>
>
> Cheers
>
> John
>
>
>
> ------------------------------
>
> Message: 34
> Date: Fri, 6 Feb 2004 22:15:30 -0800 (PST)
> From: SHAUN RIPLEY <vax3900_at_yahoo.com>
> Subject: Re: stuff noticed at surplus in st. louis
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <20040207061530.91584.qmail_at_web60704.mail.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Why not grab them all and put them on Ebay. There are
> other groups of people who collect old tubes. I
> personally have a tube radio... It is junk in their
> eyes though (it is an AA5). I know that people are
> looking for 300B tubes, and some other big tubes. Do
> them a favor, save those tubes.
>
> vax3900
>
> --- Jay West <jwest_at_classiccmp.org> wrote:
> > A couple of PowerMac 5260/100 machines, condition
> > unknown (forgive me if
> > this is too recent for the list, I know nothing
> > about them as to age).
> >
> > They recently got in a HUGE shipment of old tubes..
> > all different sizes...
> > some pretty odd looking ones too. Anyone want me to
> > look for a particular
> > one?
> >
> > Jay West
> >
>
> __________________________________
> Do you Yahoo!?
> Yahoo! Finance: Get your refund fast by filing online.
> http://taxes.yahoo.com/filing.html
>
> ------------------------------
>
> Message: 35
> Date: Sat, 7 Feb 2004 01:15:20 -0500 (EST)
> From: der Mouse <mouse_at_Rodents.Montreal.QC.CA>
> Subject: Re: Aluminum Electrolytics (was: M7891-DC 2a fuse on +12?
> fixed!)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk_at_classiccmp.org>
> Message-ID: <200402070634.BAA00287_at_Sparkle.Rodents.Montreal.QC.CA>
> Content-Type: text/plain; charset="iso-8859-1"
>
> > And speaking of War Stories: Ever been in the same room with an
> > exploding 1.7F 800VDC storage bank?
>
> > It's LOUD......
>
> Hardly surprising, given how much energy is lurking therein. If my
> arithmetic is right, that's about .3kWh. Release it all at once - or
> even any significant fraction thereof - and yes, it's gonna go bang!
>
> What was a 1.36 kilocoulomb bank used for, anyway? Railgun?
>
> /~\ The ASCII der Mouse
> \ / Ribbon Campaign
> X Against HTML mouse_at_rodents.montreal.qc.ca
> / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
>
> ------------------------------
>
> Message: 36
> Date: Sat, 07 Feb 2004 02:34:48 -0500
> From: "J.C. Wren" <jcwren_at_jcwren.com>
> Subject: Re: Aluminum Electrolytics
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk_at_classiccmp.org>
> Message-ID: <40249518.3080703_at_jcwren.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> der Mouse wrote:
>
> >>And speaking of War Stories: Ever been in the same room with an
> >>exploding 1.7F 800VDC storage bank?
> >>
> >>
> >
> >
> >
> >>It's LOUD......
> >>
> >>
> >
> >Hardly surprising, given how much energy is lurking therein. If my
> >arithmetic is right, that's about .3kWh. Release it all at once - or
> >even any significant fraction thereof - and yes, it's gonna go bang!
> >
> >What was a 1.36 kilocoulomb bank used for, anyway? Railgun?
> >
> >/~\ The ASCII der Mouse
> >\ / Ribbon Campaign
> > X Against HTML mouse_at_rodents.montreal.qc.ca
> >/ \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
> >
> >
> I'd guess a medium power laser.
>
> --jc
>
> End of cctalk Digest, Vol 6, Issue 15
> *************************************
--
Allan N. Hessenflow allanh_at_kallisti.com
Received on Sat Feb 07 2004 - 10:19:30 GMT