Help with failed CS20

[Mike Foley]

	You might try Microway. They took over the CS20's
	from API when it went under.

						mike

Stephen Lewis wrote:
> To all fellow Alpha caretakers,
> 
> I had a CS20 power supply quit - went to solid red LED and would not start,
> I obtained a replacement power supply and now it powers up to solid green LED
> but now I have a new problem which I have never seen before:
> 
> Instead of booting I get this message very early after powerup:
> 
> Bad Memory or ROM?
> J14 J16 J18 J20(Bank 0)
>  ff  ff  ff  ff
> J15 J17 J19 J21(Bank 1)
>  ff  ff  ff  ff.3f.06
> 
> at this point it seems to hang indefinitely but if I hit <CR> I get:
> 
> SLRP V02050202
> Break (ff) from 00004740
> SROM> 
> 
> where it stays until I hit a key <CR> gets the prompt all other keys get:
> 
> Error:
> 
> I "rotated" the memory chips 1->2 2->3 3->4 and 4->1 so that none are
> in orignal location. I get the exact same response so I conclude that
> it is the ROM not the memory - I get this output before (ie instead of)
> the "Testing Memory" message that I used to get. If I was to guess I'd
> say that somehow the SRM in boot PROM got blown away (can the PS do that?)
> and it looks like maybe the "SROM>" prompt is waiting for data to re-flash
> the PROM - maybe from the serial console but I don't know how to do that
> nor do I have a ROM image file.
> 
> Can anyone confirm above diagnosis and point me in the direction of
> re-flashing SRM - bear in mind that the CS20 does not have a floppy drive,
> 
> Thanks,
> Stephen Lewis
> 
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