DEC 3000 M600 memory error

From: Erik Green <longshot_at_internet-connections.net>
Date: Tue, 03 Oct 2000 10:30:31 -0500

Hello everyone - it's been a while since I posted to the list, since I
haven't been using DEC's products, but I just got lucky at a surplus
sale, and acquired a DEC 3000/600.

It was working fine before the de-install (I know the people that ran
it) and it came to me complete except for a system disk. I used the 5.0
firmware update disk to upgrade it, then installed Digital Unix 4.0D.
All was well, I safely rebooted and logged in, worked a bit, then shut
down till later.

Now when I try to boot, I get the following message during the boot
tests (in the middle of the list of OK messages):

?? 80b 0050 192MB

if I try to boot, I get a machine check error and a panic after the
sizes of code, data, and bss are printed.

Running "test mem" gets me(abbreviated version):

?? 80b m 0x0050

Failed status=50 Test {NULL} addr = 00058cf0


I did find a similar question in the list archives, but no answer. It
doesn't seem to be an actual memory error - I swapped memory around to
no avail. I even found a note in the firmware docs about more complete
memory testing causing spurious errors on other DEC 3000s, so I turned
off MOP as recommended. Could this be related to the new firmware? I
could downgrade to an older version if that would help.

Thanks for any information,
Erik
Received on Tue Oct 03 2000 - 15:23:56 NZDT

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