I have one of these boxes. It appears that IBM took another PC case off the
assembly line, stuck in a power supply and a passive backplane. There are
two interface cards, one for the PC and one for the expansion box, connected
by a very stiff cable -- don't recall what's on them but probably buffering
ICs and the like. The cable is about 3/4" in diameter. It terminates in
D-shell connectors but I don't recall the pin count (probably D50). The
stiffness of the cable borders on inflexible and mine pops-out of the metal
shell constantly.
Rich
-----Original Message-----
From: Ethan Dicks [mailto:erd_6502_at_yahoo.com]
Sent: Thursday, April 24, 2003 11:42 AM
To: cctalk_at_classiccmp.org
Subject: Re: ISA Expansion Box
--- pmulry <paulm064_at_icqmail.com> wrote:
> i've never actually seen one of these. If somone has clear pics can they
> make them available for download. if not to complicated might be able to
> make one using an isa riser card that came with an old 486. do they
> connect to serial port or piggyback an isa slot?
They are a box with a passive ISA back plane and a pair of ISA cards
that are connected with a single round cable about as big around as
your thumb. The box itself is styled like an XT (down to the sloping
front).
-ethan
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Received on Mon Apr 28 2003 - 08:14:00 BST