[rescue] Ultra1 and SS20 NVRAM

[Eric Dittman]

> The NVRAMS  are not compatible.
> 
> check using:
> 
> http://sunsolve.sun.com/handbook_pub/Devices/System_Board/SYSBD_Ultra1_140E.html
> 
> that  all the jumpers are correct.
> 
> Try setting the defaults by plugging in a keyboard and holding down 
> "stop" and  "i" until you see something on the display. This sets 
> factory defaults . "stop" and "d" will also set diagnostic mode.

I'll try this.

> You should test this without anything connected, no disks at all and no 
> memory or SBUS cards.  Only the power cable connected. If it then makes 
> maore sense, put two memories in, starting with the ones closest to the 
> rear connectors. Memory must be in twos.
> 
> Its unlikely that the NVRAM battery is flat so soon.
> 
> looking at your diagnostic output:
> 
> Probing Memory Done
> MEM BASE = 0000.0000.0000.0000
> MEM SIZE = 0000.01ff.f110.0004
> MMUs 
> RED State Exception
> 
> It seems that this was done with some memory in place? try it without 
> the memory.

I can try that, too, but so far everyone I've talked to has
said the board is bad.  I've got a contact for someone that
has the exception codes that is going to verify.
-- 
Eric Dittman
dittman at dittman.net
Check out the DEC Enthusiasts Club at http://www.dittman.net/