VAXstation 8000

From: Sergey Svishchev <>
Date: Wed Aug 11 14:17:26 1999


I fired up a VAXstation 8000 that was sitting in a corner collecting dust.
After some fiddling, I managed to get it to work -- at least partly. It
would not even show the chevron prompt until I pulled the KK810 cable
(KK810 is "Control Assembly") out of GIF (Goes In First) BI bus terminator.
Even then, no luck: (DU50 is a RD54 that is hung off KFBTA)

Hand transcribed logs:

Plain boot:

>>> B DU50
%BOOT-F-Failed to allocate PFN bitmap

Boot with memory test disabled:

>>> B/R5:84 DU50
%BOOT-F-Unexpected exception

>>> B/R5:2004 DU50
%BOOT-W-Ten percent or more of main memory is bad
%BOOT-F-Insufficient memory for CI

Boot with boot breakpoint set:

>>> B/R5:20 DU50
1 BRK AT 00003E8C

Something is obviously wrong, but without docs I am going nowhere...
Comments? Advice?

Sergey Svishchev -- svs{at}ropnet{dot}ru
Received on Wed Aug 11 1999 - 14:17:26 BST

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