05-30-2009
Looks like you need a new NVRAM chip or else at new battery for it at least. If you have another Sun machine with the same NVRAM chip model it would be worth swapping them to prove whether what I suspect is correct or not. If the NVRAM chip in this machine is definitely faulty then it can be worth cutting open the top and attaching a watch battery in place of the internal battery if you can do a bit of hardware? Take a look at:
NVRAM Battery Fix FAQ and
Sun 3/80 NVRAM. The fact that your NVRAM can't be read rather than just giving an empty hostid, etc means that it is probably more faulty than just having a flat battery.
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LEARN ABOUT SUNOS
cvcredir
cvcredir(7D) Devices cvcredir(7D)
NAME
cvcredir - virtual console redirection driver
DESCRIPTION
The cvcredir virtual console redirection driver is a STREAMS-based pseudo driver that supports the network console provided on some plat-
forms. The cvcredir driver interfaces with the virtual console driver cvc(7D), and the virtual console daemon, cvcd(1M).
The cvcredir driver receives console output from cvc and passes it to cvcd. It receives console input from cvcd and passes it to cvc.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |Sun Enterprise 10000 |
| |servers, Sun Fire 15K |
| |servers |
+-----------------------------+-----------------------------+
|Availability |SUNWcvc.u |
+-----------------------------+-----------------------------+
SEE ALSO
cvcd(1M), attributes(5), console(7D), cvc(7D)
Sun Enterprise 10000 SSP Reference Manual
Sun System Management Services (SMS) Reference Manual
SunOS 5.10 15 Sep 2000 cvcredir(7D)