Could someone a little smarter on 11/04's than I am please give this
fellow a hand?
Thanks in advance.
-=-=- <snip> -=-=-
On Fri, 11 Dec 1998 07:22:51 GMT, in alt.sys.pdp11 you wrote:
>>From: hamster_at_telnet.hu
>>Newsgroups: alt.sys.pdp11
>>Subject: Problems with a PDP-11/04
>>Date: Fri, 11 Dec 1998 07:22:51 GMT
>>Organization: Deja News - The Leader in Internet Discussion
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>>
>>I post this message for the second time, as I haven't seen the first try
>>in any of the groups I posted it to... :-(
>>
>>I acquired a PDP11/04 last week. It's my first UNIBUS -11, so I don't
>>really know how to get it working again...
>>The machine is in a BA-11KA drawer (rev m, eco 0015; the whole machine
>>was labeled "LANDIS & GYR VISIONIX 4000). It has two DD-11DK system
>>units (only the first is used), with the following cards in it:
>>M7263, 2 x M7856, 32K core, M9312, M7262, M9302, G727A. I know what these
>>cards are, my problem is that I don't know this backplane enough, and I
>>don't know what to expect from the system. After I
>>got the machine, I cleaned it, examined the cards for anything strange -
>>haven't found anything. Then I put back the cards, in the order they were
>>originally (there were stickers on the side of the chassis showing the
>>modules' places). One of the DL11W's is configured as the console (at the
>>proper address; also at 110 baud, 5 data bits, odd parity, 2 stop bits,
>>active current lopp Rx, passive Tx), it has a BC05C-25 cable leading
>>out of the chassis. I checked with a multimeter (I haven't got a scope,
>>and even if I'd have, I'm not familiar with it), there's _something_
>>on the DB25F connector. Right now I have two choices: to get the DL11W
>>working with an EIA-interfaced CRT terminal) to see if the CPU is working,
>>or check this some different way (without a scope that is; am I beeing
>>impatient?:) The machine has the simple "frontpanel": OFF/ON/STDBY,
>>RUN/HALT, BOOT/INIT switches, RUN and DCOK LED.
>>So my questions:
>>
>>1. what are the settings for a EIA console on a DL11W? I've tried to set
>>9600, 8N1 according the manuals, but I don't know what to do next, about
>>the current loop interface, about the cable (nullmodem? straight? with
>>modem control?), as I still have nothing on the VT (and I know that this
>>could be my fault...)
>>
>>2. How do I know if the CPU is really running? (the DCOK LED is on, and if
>>I switch "RUN", the RUN LED lights up, but does this really reflects the
>>state of the CPU and the bus? There's the RL controller on the bus, when
>>the drives are connected to it, and are switched on, the RL01's "FAULT"
>>light turn off (I was told the drives need timing signals from the
>>controller; they get it as I interpret this behaviour), but that's about
>>everything I know from the cards in the chassis. Is there a safe method to
>>see if the bus is okay, like pulling out cards and/or moving them around?
>>I don't want to mess something up with all these modified/SPC slots...
>>
>>Thanks for your time!
>>
>> / ___ _ _ ___ ____ ___ ___
>> /__//__///_///__ / /_ / ) Varga Akos Endre hamster_at_telnet.hu
>>/ // // /___/ / /__ / ( www.telnet.hu/hamster/english.html
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>>
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-=-=-=-=-=-=-=-=-
Bruce Lane, Owner and head honcho,
Blue Feather Technologies -- kyrrin (at) bluefeathertech [dot] com
Web:
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"...No matter how we may wish otherwise, our science can only describe an object,
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Received on Fri Dec 11 1998 - 21:20:49 GMT