29 Mar
2001
29 Mar
'01
11:21 a.m.
On Mar 29, 18:48, Mike Kenzie wrote:
My Sparc 1+ currently fails when booting linux. I get
this
message:
IDPROM: unknown format type!
program terminating
Is there a way to by pass the PROM?
The current PROM is a 525-1107-04 Can other sparc PROMS be
used as a replacement?
The IDPROM isn't a PROM, it's an NVRAM chip. I don't recognise that part
number, the usual IDPROM for a Sparcstation 1+ is 525-1109-xxx. The NVRAM
is an unusually tall 24-pin device with a barcode on the top (usually), and
I think the number you quoted is the boot EPROM, which is quite a different
thing. You could replace the IDPROM with one from another 1+, or read the
Sun NVRAM FAQ about reprogramming one, but you can't just use one from a
different type of motherboard as the type code would be wrong.
--
Pete Peter Turnbull
Network Manager
Dept. of Computer Science
University of York