On 2014-10-26 3:07 PM, Toby Thain wrote:
On 21/10/14 7:38 AM, Noel Chiappa wrote:
> From: Toby Thain
> Looking to see what the internal self-test returns as an error
code
> (that can be done with console ODT, it doesn't need a program) is
> probably the first step in diagnosing.
...
OK, after powerup, the bits of the VAR register (e/w/p 2000192c) are
D800, i.e. the test result bits VAR12:10 are 1,1,0 - meaning RAM test
failed.
Hi all,
As an update to this project, I can report that the DELQA has been
repaired with four new static RAM chips, and now the MicroVAX II's
network is fully working (including netboot).
Credit due to Joe Zatarski (joe_z) who did a beautiful job of
desoldering and putting sockets in for the four RAM chips.
--Toby
I must be doing something wrong running the test manually, though -
d/w/p 2000192c 2000
Just leaves 2000 in the VAR register, permanently.
--Toby
Noel
