[comp.sys.ibm.pc] Parity Check 2

DOHC@TUCCVM.BITNET (Bob Roberds) (09/30/88)

Here's a problem:  I use MARK/RELEASE for quick and easy loading and
unloading of my TSRs.  But I find that releasing always causes a
Parity check 2 message and causes my video card to go into 40-column
mode.  On some occasions the system hangs.  ALL my hardware is grey/black
market material, so I'm pretty much on my own here.  Any idears?

kadie@m.cs.uiuc.edu (11/20/88)

In an earlier response someone said that the message

Parity Check 2 
80000 (S)

is from expansion cards and not from system (or extended) memory.

I've been getting this message every few days for the last 4 months.
I thought it was my new game port or my new EGA card, but the
problems continued after removing these cards.

Does anyone know how I can diagnose this problem?


Carl Kadie
University of Illinois at Urbana-Champaign
ARPA:  kadie@m.cs.uiuc.edu
UUCP:  uiucdcs!kadie
CSNET: kadie@uiuc.csnet

johnw@stud.uucp (John Wiederhold) (11/29/88)

I missed the discusion about parity also.
While runing ramtest, which was posted to comp.binaries.ibm.pc
my IBM-XT crashes with a:
PARITY CHECK 2
???????
error.  I know this is a memory error, but how can I narrow it down.
Is it possible to narrow it down to a specific chip and just replace
that chip?  What do the question marks stand for?

    Thanks,
       John Wiederhold

johnw@stud.stanford.edu
johnw%stud@stanford.bitnet