Yay, partial success!

[joe heck]

I would think the easier test is to yank the SLU.  Since the SLU test is 
before the comprehensive memory test, the LED indicators would show a 
different pattern.

Vintage Computer Festival wrote:

>On Fri, 18 Feb 2005, Paul Koning wrote:
>
>  
>
>>>>>>>"Vintage" == Vintage Computer Festival <vcf at siconic.com> writes:
>>>>>>>              
>>>>>>>
>> Vintage> On Fri, 18 Feb 2005, Gordon JC Pearce wrote:
>> >> No, because D2 means the microcode isn't running.  It turns out
>> >> that all the information on the net and in the KDJ11-A manual is
>> >> *wrong*.  D3 means there is a memory fault, D4 means there is an
>> >> SLU fault.  My 512kw board is broken.  I only have 32kw to play
>> >> with, but it's enough to boot RT-11!
>>
>> Vintage> Are you sure?  It sounds like you against the world, and
>> Vintage> generally speaking, the world usually wins ;)
>>
>>RT (at least the older releases, for example RT SJ V2) will run just
>>fine in 8 kwords...  So Gordon has plenty of memory to play with.
>>    
>>
>
>But I'm talking about the LED.  He's convinced that the DEC manual is
>wrong with regards to the D3 LED, which I find a little hard to swallow.
>
>It would be great if there was a simple memory test he could poke in
>through ODT to test the memory and see if it does crap out above 32K.
>
>  
>