IBM P70-386 portable machines

From: Russ Blakeman <>
Date: Mon Nov 29 05:23:01 1999

The cover comes off with 3 screws, two at the bottom corners, one at the cable
access door in the back. Pry CAREFULLY in the area of the handle to finish getting
the back off. The HD is them mounted in a cage dealie that has 2 or 3 screws which
are obvious for their locations. Remove the cage and drive and remove the card
edge conector when it allows.

By the way, unless someone has put in a secondary controller the HD is an IBM MCM
(ESDI essentially) drive. Easily found and up to 160mb capacity.

Bill Bradford wrote:

> I took out my pair of these tonight to see what level of functionality
> they're in. One of them gives a "dead HD" error on bootup (see
> which was
> confirmed by downloading the boot/diagnostics disk and firing it up with
> that (see for
> disks, if you've got a PS/2 that needs them). Turns out one of these also
> has the 300/1200/2400 modem and the PS/2 (MCA-bus, woah, in a portable!)
> SCSI card w/cache (its got two SIMM sticking on it, even).
> Right now I cant figure out how to get the HD out of the machine so I
> can swap it with the one from the other box (or possibly replace it
> with another IBM drive, these look to be the proprietaary PS/2 card-edge-
> connector HDs).
> Anybody got one or more of these machines that they'd like to "dispose"
> of, if I pay shipping? I love the red plasma display, and plan to use
> this box (if I can get it fully working with a HD) on my packet radio
> station.
> I've got this other semi-DOA (no screen display, no beeps, but power lights)
> 70-386, and in the garage somewhere, a complete (no manuals, but it boots and
> works, and has the I/O expansion "slice") IBM PC Convertible laptop, with
> power supply in IBm canvase carrying case, if anybody's interested and wants
> to swap something for them.
> I've also got this MCA-bus SCSI controller card w/cache, if that would prove
> useful to anyone... (I cant use it, it has the funky IBM-proprietary external
> SCSI connector on back).
> Bill (man, plasma displays are wonderful, wish I could find more machines
> that used them.. I've already got a couple of Toshiba 3x00 laptops that
> i use as VT100 terminals; anybody else know of portable machines that
> used similar displays?)
> --
> Bill Bradford * /
> /
> ---------------------------------------------------------------------
> "Fear leads to anger. Anger leads to hate. Hate leads to using
> Windows NT for mission-critical applications."
> -- What Yoda *meant* to say
Received on Mon Nov 29 1999 - 05:23:01 GMT

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