VAX 4000 model 500.

[Antonio Carlini]

On 25/05/16 01:30, Rod Smallwood wrote:
>
>
> On 24/05/2016 22:41, Glen Slick wrote:
>> On Tue, May 24, 2016 at 2:29 PM, Rod Smallwood
>> <rodsmallwood52 at btinternet.com> wrote:
>>> Hi
>>>
>>>      My main system a VAX 4000 Model 500 with a KA680 CPU has just 
>>> started
>>> halting at test 51 on power up.
>>>
>>> Does any body know where I can lay my hands on a spare KA680?
>>>
>>

The system maintenance manual claims that ?51 means "NOROM No valid ROM 
image found", which seems a bit odd.
But that's a VMB message, so unless it was trying to boot then perhaps 
I'm looking in the wrong place ...

Antonio



-- 
Antonio Carlini
arcarlini at iee.org