New DEC problem

[Rod Smallwood]

Thanks Rick
I'll get the CPU manual from bitsavers.

Rod

 

-----Original Message-----
From: cctech-bounces at classiccmp.org
[mailto:cctech-bounces at classiccmp.org] On Behalf Of Rick Murphy
Sent: 06 June 2007 11:49
To: cctalk at classiccmp.org
Subject: Re: New DEC problem 

At 04:43 AM 6/4/2007, Rod Smallwood wrote:
>Hi
>     And now something for all you Decsperts to get your teeth into.
>My VAX4000-300 is failing the self test.
>
>After selecting the language it counts down to 10 and then fails test 
>C5.
>
>Does anybody know what test C5 tests.
>If its an unterminated DSSI bus thats OK anything else could be a 
>problem.

According to the KA670 Tech Manual (EK-KA670-TM, it's on bitsavers.) the
C5 diagnostic is for the system support chip. I don't know if an
unterminated DSSI will cause this, but it's plausible.

Hopefully this additional information will elicit a more helpful reply.
         -Rick