[Info-vax] XP1000 hardware failure

Joukj joukj at hrem.nano.tudelft.nl
Wed Oct 26 08:38:49 EDT 2022


Steven Schweda wrote:
>> One of my XP1000 machines gives some beeps [...]
> 
>    I'd expect it to have LEDs, too, about which you also provided
> no actual information.
> 
>   I have a Service Guide (HTML) at:
> 
>       http://antinode.info/ftp/misc/xp1000sg.exe
> 
> (Ignore the Windows-self-extracting part, and just hit it with
> UnZip.)  There's also something about the beep codes:
> 
>       http://antinode.info/ftp/misc/xp1000-led-beep.txt

That helped. Actually the led's did. they indicated 1111 1100 ; so 
indicating a problem with the CPU-board The beeps said 
beep-break-beep-beep, which is not one of the codes from the document.

I replaced the CPU-board and the machine came to live again.

          Jouk



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