PC-Jr (was: Repair techniques ... I/O pins and power supplies - test-drb@ccmp.vtda.org

25 Apr 2001

In a message dated 4/25/01 4:59:17 PM Eastern Daylight Time, 
cisin(a)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

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