Repairing motherboards: is it doable?

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1 total messages Started by Richard Braun Sun, 24 Jan 1993 16:29

#3736

Author: Richard Braun
Date: Sun, 24 Jan 1993 16:29

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A week and a half ago, I bought a new SCSI disk drive for my 386/25
PC (to replace an RLL).  This 'upgrade' has proven to be my most costly ever.

During all the power-cycling required to determine that neither of the
SCSI controllers at my disposal would work properly for me, I blew out
the old monitor *and* the motherboard.

The motherboard actually still works, partially, and I'm wondering if
it might possibly be repaired.  It has a 1989-vintage AMI BIOS containing
standard and extended setup screens.  One of the bits in the extended-
setup screen is "memory interleave".

No matter how I try to set this bit, the BIOS configuration report displayed
at boot time says "Memory interleave: disabled".  The failure happened
suddenly after a reboot on Thursday evening, and it seems permanent.
Without interleave, this 386 performs like an old 286 machine.

This led to a decision to replace the computer, but I'd still like to
be able to use the old one (at its normal speed) for word-processing
and such.  Any suggestions would be greatly appreciated.

-rich

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