Hello all,

        A buddy of mine has an Acer 486SX 25 MHz and we increased the RAM
from 4MB on board (built into the motherboard) to a total of 8MB; 4
on board plus another 4MB 72 pin SIMM.  The manual said not to put
the SIMM in bank 0; for the configuration the SIMM needed to be in
bank 1.  (I'm telling you this because this may or may not be the
cause of the problem.)
        Now, when you turn on the PC, it recognizes all 8MB of memory, but
then gives the following message:

        RAM Parity Error  Press ESC to turn off NMI, any other key to
reboot.

We pressed any other key to reboot and get back to the same
message.  We then pressed ESC, and it went ahead and booted into
Windows (3.1 BTW), as if there wasn't a problem.  ALl programs
appear to be working OK.  Two questions---
        1.  What's causing the error message?
        2.  What's NMI?


Thanks for the input.
Harold E. Schumacher, Jr.
--
***********Know Fear...
                  Proverbs 9:10
                          <><  ***********

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