Summary: SunFire 280R boot problem

From: Andreas Hoeschler <>
Date: Mon Jul 07 2003 - 06:02:30 EDT
Dear managers,

special thanks to

Laysell, Richard

who suggested the following.

> This is crude, but it has worked for me in the past.
> When the boot hangs, set your PC console settings to 1200 baud (yes,
> this is incorrect for the Sun, which is normally set to 9600) and
> press the space bar repeatedly.  Then set your console setting back to
> 9600 baud, and you should find that you have an OK prompt.
> The correct way of doing this is to send a break, which is an empty
> rs232 frame (this can't be sent from Hyperterm).  You might want to
> download a copy of teraterm which can send a break.

It is almost unbelievable but the 1200 baud thing works. It is probably
more handy to get a terminal programm that can generate a break but for
now I am on the road again. Thanks a lot!



 > I have a SunFire 280R with the following open boot prom
 > settings:
 > auto-boot?            true                           true
 > boot-command          boot                           boot
 > diag-file
 > diag-device           net                            net
 > boot-file
 > boot-device           disk net                       disk net
 > The switch is set to I, so I would assume it facilitates the
 > boot-device setting and boots from disk(0). However, it tries
 > to boot
 > from net which fails with Timeout waiting for ARP/RARP
 > packet" since we
 > have no boot server setup. The boot process is hanging since
 > auto-boot?
 > is set to true. So I can't manually boot with "boot disk0"
 > which most
 > likely would work. What can be done here? How can I get to
 > the ok
 > prompt to set auto-boot? to false and how can I get the
 > system to boot
 > from the device that is set with boot-device instead of
 > diag-device?
 > Thanks a lot,
 >     Andreas
sunmanagers mailing list
Received on Mon Jul 7 06:05:56 2003

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