In a message dated 10/15/99 7:19:17 PM Eastern Daylight Time,
peter.pachla_at_vectrex.freeserve.co.uk writes:
> I've already posted this to the PS/2 newsgroup but thought I'd drop it in
> here
> too just in case - I believe the machine in question is old enough (or odd
> enough) to qualify.
>
> Basically I'm in the process of restoring a Model 50 I was given recently
> and
> was wondering if anyone could point me at a technical reference guide for
> the
> machine?
http://www.pc.ibm.com/us/cdt/hmm.html
> I also have a couple of questions.
>
> 1) The machine contains what I assume to be the hard disc controller, what
> capacity/type of drives will the machine accept - and where can I get one?
you can only use drives originally assigned to the machine unless you want to
go scsi external...
>
> 2) Can the machine accept 2.88Mb drives (this one is purely out of
interest)?
>
no. not supported.
> 3) There is an expansion card with no markings on installed in the slot
> farthest away from the PSU. It is connected to what appears to be the
> processor socket ('286 right?) by a section of flexible PCB.
>
> The card has a daughter board attached which is about half as long as the
> card. The visible part of the main PCB contains three (empty) 72-pin SIMM
> sockets.
>
> Any ideas on what this may be (some sort of turbo board, 386SX upgrade,
etc)?
run peter wendt's adaptor card id'er program. goto
http://members.aol.com/mcapage0 the program is listed on the ps2 support
page he has.
>
> Was it fitted as standard or was it added later?
>
> 4) The "paddle" on the power switch has been broken off. Can I get a
> replacement switch or do I need to get a new PSU?
only way to fix is replace ps from a parts machine.
>
> Thanks.
>
>
> TTFN - Pete.
DB Young Team OS/2
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Received on Fri Oct 15 1999 - 22:54:19 BST