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- From: dcb@kopachuk.uucp (David Breneman)
- Newsgroups: comp.sys.att
- Subject: Re: HELP 3b2 dead
- Keywords: 3b2 boot
- Message-ID: <1992Sep3.194154.505@kopachuk.uucp>
- Date: 3 Sep 92 19:41:54 GMT
- References: <regmad.715453158@gsusgi1.gsu.edu>
- Organization: Tacoma Screw Products, Inc.
- Lines: 58
-
- In article <regmad.715453158@gsusgi1.gsu.edu> regmad@gsusgi2.gsu.edu (Michael de Kraker) writes:
- >Help Help Help:
- >
- > Currently it just sits there both power and diag lights
- > light but no flashing and no firmware prompt.
- >
- > Heres what happened:
- >
- > Hit big red switch to on
- > Wait Wait Wait ( get impatient )
- > Hit big red switch to Standby
- > Console prompt flashes on screen init level 0 begins
- > System shuts down by self.
- > Hit big red switch and does not come up power and diag led light.
- >
- Did you try pushing the reset button several times when the Diagnostics
- light comes on? That sould get it into firmware mode. It's a little
- vague what you mean by "Console prompt flashes on screen init level 0
- begins". Do you mean that you get the message "INIT: new run level 0"
- (not sure of exect wording - but you know it if you see it) or do you
- merely get a flickering of the cursor? If you just get a flickering
- of the cursor, the console port baud rate may have been changed. The
- machine will only reboot successfully at 9600 baud. Cycle your terminal
- through all its baud rates and see if you can get something intelligible
- to some up. The best way to do this is to change the speed on the
- terminal, press the reset button a couple times and see if anything
- comes up on the screen. If not, try it at another speed. If you
- eventually get a repsonse at a speed other than 9600, then you know that
- that is the problem. With the machine in firmware mode, when it asks
- program to run enter "baud". It will them prompt you for the correct
- speed. Enter it (9600), change your terminal back to 9600 and reboot
- the machine.
- >
- > The only result was I felt that the main board runs hot
- > which may be normal. One coincidene is that the ATT 610
- > terminal appears to have died along with the 3b it will
- > rcv but not xmit. It was not used as the console during
- > death of the 3b2 but was used subsequently. May be a clue.
- >
- Well, make sure you're using a working terminal!
- *Necessary* settings for a 610 used as the console are:
- SPEED 9600
- SEND PARITY NONE
- LOCAL ECHO OFF
-
- > Again any advice or sources for parts and service at a reasonable
- > rate would be greatly appreciated.
-
- Worst case scenario is it's the mother board. You can get these used
- for a couple hundred bucks. It sounds, however, like a failure to
- communicate :-) . Probably console set up wrong, bad cable, or wrong
- baud rate on the console port.
-
- --
- David Breneman Sys Admin, Tacoma Screw Products, Inc. | ____ ____ ____
- dcb@tacoma.uucp | SCREWIE the TSP CLOWN sez- | / /___ /___/
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