serial console doesn't work and cause system die

From: Jeremy Jin @ Nucleus (@)
Date: Wed Sep 17 2003 - 00:51:25 EDT

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Hello,

I tried to boot my Ultra 1 with serial console but now I got trouble.

What I did is,

in prom,

setenv output-device ttya
setenv input-device ttya

and then connect serial port A to a PC's serial port A, open a Windows 2000
hyper terminal,to try to boot the Ultra 1 from that serial console.
Unfortunately that doesn't work. I cannot see any message from either
monitor or the hyper terminal.
The computer is toally not able to boot up now!

What I tried next,

Open the box, find the NVRAM, and the plug it out, (I think it will flush
the content of it), but it didn't help.
I tried to find where is battery, but I failed to find one.

So sun managers, What can I do now?

Thanks very much.

Jeremy
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