[comp.sys.ibm.pc.hardware] XCMOS error

v105mahs@ubvmsb.cc.buffalo.edu (Peter P Donohue) (03/21/91)

   I have a 386 that comes up with an error whenever I turn it on. 
It gives me an error of "XCMOS Checksum Error, Press <F1> to Continue" 
after it goes through its memory check.  At the same time as when it 
gives me this error, it beeps three times.  After this, it continues 
on as if everything is normal.  The machine runs fine after that.
   This error is new.  The machine has been working fine from when I
put it together last fall through last week when this problem showed 
up.  I haven't changed anything nor have I added anything (hardware
or software).
   The only thing that I can think of that may be part of it is my
D partitions setup.  My hard drive is partitioned into two parts:
C is 5 megs and DOS boots from it, D is 60 megs and non-bootable.  
Lately (well before this XCMOS error), when I ran a CHKDSK command, 
it would say that the D drive is a "Probable Non-DOS Disk" and ask if 
I want to continue.  I don't know if this is related to the XCMOS 
problem, but I thought I'd mention it.
   I checked the CMOS setup and everything looked fine.  I looked at
the XCMOS setup but didn't understand anything there so didn't touch
it.
   I am running a 20 mhz 386.  It has a 65 Meg RLL hard drive, HD 3.5 
and 5.25 drives, Super VGA monitor, video card with paradise chips and 
512k memory, and mouse.  I run MS-DOS 3.3 and sometimes Windows 3.0. 
I bought the parts for the machine through mail order and assembled it
myself.  The machine has been working with no problems since last fall
till this problem came up.
   Any ideas?  Thanks for any help.

						Pete

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Peter P. Donohue - University at Buffalo, Graduate School of Management
bitnet:   V105MAHS@UBVMS                  .  "Education is a journey
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