Running Suns with no keyboard but using both rs232
Joe Michel-Angelo
tekbspa!tss!joe at uunet.uu.net
Fri Dec 9 22:46:41 AEST 1988
mcvax!cs.aber.ac.uk!dap at uunet.uu.net:
>
> If the machines do not have a keyboard, they look to ttya for console (so
> say the documents) input . We want to stop them. The observed fault is
> that they apparently boot (light patterns all ok etc) but no matter how
> long you wait they never properly come on service...
Chances are le' Sun is looking for a signal to come up on the RS232 port
and it's halting in monitor/prom.
You can tell le' Sun to use a tty port, which one, and even what baud
rate. But as far as I know ... You can't tell the machine it doesn't have
a head! How would you feel without a head!??!
If your problem is that you simply don't have a terminal, then make a
strange cable. Otherwise, you be oudda luck...(afaik)
----
BTW: here's how you change the console/tty baud rate (did I ever post this
information here??!)
Uucp: sun!jgath
Arpa: jgath at sun.com
Subject: Re: eeprom setting of scc baud rate
For port A:
Location 0x58 determines default 9600 (00) or user specified (12)
Locations 0x59 and 0x5a define the baud rate
300 01 2c
600 02 58
1200 04 b0
2400 09 60
4800 12 c0
9600 25 80
19200 4b 00
38400 96 00
Joe Angelo -- Senior Systems Engineer/Systems Manager
at Teknekron Software Systems, Palo Alto 415-325-1025
joe at tss.com - uunet!tekbspa!joe - tekbspa!joe at uunet.uu.net
More information about the Comp.sys.sun
mailing list