[rescue] Ultra1 and SS20 NVRAM

[Jeremy Towers]

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.

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.


Regards

Jeremy

Eric Dittman wrote:

>I took my Ultra1 completely apart and put it back together,
>hoping there was something loose causing my problems.  No
>change.  However, when I pulled the NVRAM I got the following:
>
>Hardware Power ON
>Button Power ON
>Button Power ON
>
>@(#) Sun Ultra 1 UPA/SBus  3.3 Version 2 created 1996/06/28 08:43
>Probing keyboard Done
>%o0 = 0000.0000.00ff.4001
>
>Executing Power On SelfTest
>
>
>
>Power On Selftest Completed
>    Status  = 0000.0000.0000.00ff 0000.0000.0000.0000 ffff.ffff.ffff.ffff
>
>Software Power ON
>
>@(#) Sun Ultra 1 UPA/SBus  3.3 Version 2 created 1996/06/28 08:43
>Clearing E$ Tags Done
>Clearing I/D TLBs Done
>Probing Memory Done
>MEM BASE = 0000.0000.0000.0000
>MEM SIZE = 0000.01ff.f110.0004
>MMUs 
>RED State Exception
>
>TL=0000.0000.0000.0005 TT=0000.0000.0000.0064
>   TPC=0000.0000.0008.0000 TnPC=0000.0000.0008.0004 TSTATE=0000.0044.5804.1400
>TL=0000.0000.0000.0004 TT=0000.0000.0000.0064
>   TPC=0000.0000.0008.0000 TnPC=0000.0000.0008.0004 TSTATE=0000.0044.5804.1400
>TL=0000.0000.0000.0003 TT=0000.0000.0000.0064
>   TPC=0000.0000.0008.0000 TnPC=0000.0000.0008.0004 TSTATE=0000.0044.5804.1400
>TL=0000.0000.0000.0002 TT=0000.0000.0000.0030
>   TPC=0000.01ff.f000.1c28 TnPC=0000.01ff.f000.1c2c TSTATE=0000.0044.5804.1400
>TL=0000.0000.0000.0001 TT=0000.0000.0000.0030
>   TPC=ffff.ffff.f000.016c TnPC=ffff.ffff.f000.0170 TSTATE=0000.0000.5800.0400
>
>
>Which is a lot more information than before (with the NVRAM
>I got nothing but the RED State Exception over and over),
>and the RED State Exception codes are different and don't
>continuously repeat.
>
>I took the NVRAM out of my SS20 and tried it, but I get
>the same RED State Exception as with the Ultra1 NVRAM
>installed.  Are the NVRAMs compatible?