10 Aug
2021
10 Aug
'21
2:59 p.m.
On Aug 10, 2021, at 1:55 PM, David Coolbear via cctech <cctech at classiccmp.org>
wrote:
My KA655 CPU is freezing during the power up sequence, after test number 04:
KA655-B V5.3, VMB 2.7
Performing normal system tests.
40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
08..07..06..05..04..
Any suggestions as to what might be wrong?
You never get the dead sergeant prompt?
Looking at the manual, I think you want pages 4-20 and 4-21. If I?m right, it?s failing
on the board reset.
http://bitsavers.org/pdf/dec/vax/655/EK-306A-MG-001_655Mnt_Mar89.pdf
Zane