On 23 Oct 98 at 10:33, Arfon Gryffydd wrote:
> >> Note: on the Model II (TRS-80) there was an option to use page the memory
> >> so you could get more than 64K in the thing.... If I remember, it used a
> >> Z-80 I/O address as the pager.
> >
> >To the best of my recollection, the only serious memory paging that
> First:
> I have a bunch of Model II software! Problem is I am not sure how much is
> any good.... Anyone know how to read the data off of the disc and
> preserve the programs???? Anyone have any clue as to how to make a 3.5"
> floppy replace an 8"???
>
> I have the TECHNICAL MANUALs for the Model II. As soon as I can dig them
> out, I want to scan them and put them on the net in PDF format.... Anyone
> interested???
>
>
Ooo yes , please !! I almost missed this with all the s/n ratio going on.
There's almost no documentation available out there on the model II much
less programs. By the sounds of it you don't have one. Yes it is possible to
transfer it to 5 1/4 according to others I have been in contact with. TMK
Tim Mann is working on an emulator. One of the things on my plate is to
transfer my programs to a newer media, to conserve them. I'll let you know
how this progresses. There was also a thread on this very thing recently on
comp.sys.tandy.
Kees Stravers has a nice web page at
http://www.iae.nl/users/pb0aia/cm/modelii.html
> Now on to my replies:
>
> >Tandy ever did with the Model II series was the 16k (each) in the
> >Arcnet and hard disk boards and the 32k in the graphics board. Some
> >other vendors went further with it, but as a Tandy customer support
> >rep, I never saw them in person. The Model 4 was a different story.
>
> No seriously, the Model II can page (I think it was the upper) 32K of
> memory IF you had extra memory cards. This feature is built in.
>
>
>
> >> Damnit! I want a 64bit Model II !!!!!!!! (Running and 500Gcyc of-course).
> >> With 8" Laser-Optical drives... and OH OH!!! I want a Thomas-Conrad
> >> 100Mbps Fiber ARCnet to connect it to my Linux machines!!!!
> >
> >Won't do you any good unless you also build (and program) the
> >custom Arcnet cards, since Model II Arcnet spoke only to Model II
> >Arcnet, even though the hardware and connection layers were
> >compatible with Datapoint and (later on) PC Arcnet systems.
> >I installed and supported Model II Arcnet, later on I installed
> >Vianet based on Arcnet hardware for PCs. The wires and hubs and
> >signals were the same, but the machines talked different languages.
>
> I wanna build my own ARCnet cards which is why I asked "does anyone have
> the spec.s (electrical and data format) for ARCnet?"
>
> I have called Datapoint and they are useless. I have contacted the ARCnet
> Trade Association and they want lotsa $$$$ for copies of the RFC. Why
> would I spend $100.00 for an RFC when I am just a hobbyist?
> "Programming today is a race between software engineers striving to build
> bigger and better idiot-proof programs, and the Universe trying to produce
> bigger and better idiots. So far, the Universe is winning." -- Rich Cook
>
>
ciao larry
lwalker_at_interlog.com
Received on Mon Oct 26 1998 - 17:09:50 GMT