From ck@be.com  Wed Feb  7 12:10:20 1996
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Date: Wed, 7 Feb 1996 11:10:39 -0800
From: ck <ck@be.com>
Subject: Mouse issues

From Joe Palmer, our hardware designer....

I've found a hardware problem on the I/O card that could account for
problems we have seen with some brands of PS/2 mice not working. The Values
of the RFI bypass caps are reversed for the ground and mouse data lines,
which could cause the the rise and fall times for the mouse data signal to
be too slow on some brands of mice.

        If your PS/2 mouse is presently working, no change is required to your
I/O card. A change will be made to the bill of materials to fix this problem on
all future machines.


[Rework Instructions:]

Remove the I/O card:
        Shut down and unplug the power cable
        Unplug any cables connected to the I/O card.
        Loosen the two thumbscrews from the back of the system
        Remove the system cover
        Remove the 3 #6-32 screws holding the I/O card from the machine
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