PC-Jr (was: Repair techniques ... I/O pins and power supplies

From: SUPRDAVE_at_aol.com <(SUPRDAVE_at_aol.com)>
Date: Wed Apr 25 17:12:40 2001

In a message dated 4/25/01 4:59:17 PM Eastern Daylight Time,
cisin_at_xenosoft.com writes:

<< > > supply is only about 33 watts. The expansion unit has extra
> > memory in it that is not being seen by the system unit; I
> > suspect that is because the +5 output on the power supply
> > is reading about 1.8 volts. (According to a digital
 
 On some expansion memory units for the PC-Jr the extra memory is NOT seen
 by the system until certain "special" software is run.
>>

if it's the IBM sidecar that plugs in, the system should detect it
automagically. I have one on my hard drive equipped jr that was modded so the
computer has 640k total.

--
DB Young              Team OS/2
old computers, hot rod pinto and more at:
www.nothingtodo.org
Received on Wed Apr 25 2001 - 17:12:40 BST

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