[rescue] Hardware fingerprinting on Ultra 5/10?

Paul Mantz angelixd at gmail.com
Fri Aug 26 16:48:26 CDT 2005

Sorry to derail, but I have a quick question about flashing the PROM.
I tried flashing my Ultra 5 to the latest version( that i could find
on sun.com, made somewhere around 2001), and I got some sort of error
like "cannot load, multiple bootable ELF images", when I rebooted
after telling it to boot from the updater file.  Does anyone know what
this means, and how I can get around it?

--Paul Mantz

On 8/26/05, Steve Pacenka <s.pacenka at verizon.net> wrote:
> On Fri, 2005-08-26 at 16:32 +0000, jjhartley at att.net wrote:
> > Given yesterday's discussion (and having a 160GB IDE drive lying
> > about...), I'd like replace the 9GB factory drive with this larger
> > one.  What do I need to do to get it configured correctly?  I've heard
> > that Sun fingerprints hardware, so do I need to do anything in
> > particular after installing this 160GB drive (and a CD-R drive to
> > replace the CD-ROM drive...) in order to boot from the larger drive?
> > Ultimately I want to put OpenBSD on this box and am unclear on how
> > much information is fundamentally needed by OpenBoot and how much was
> > simply needed by Solaris.
> I've had no problems getting Sun disk labels onto several hard drives in
> the 60-120G range, using partitioners that are part of Debian Linux.
> I've had to set the drive characteristics manually in the label.  A 120G
> drive has its label set for 255 heads, 63 sectors, and 14593 cylinders,
> all of which are different from the actual physical values, but they
> work okay.  I'll guess that you could go up to 255/63/16383, which would
> allow addressing 134,754,762,240 bytes.
> I've used a couple of generic CD-ROM and CD-RW drives in u5/10 boxes,
> without any problem booting a Linux installer CD and using the drive's
> data capabilities afterward.
> ===
> Returning to an earlier topic, some people were imagining putting
> several hard drives into a U5.  I would worry about peak power
> consumption at initial spin-up and about airflow around the drives.  A
> U10 would be a better choice when more than one hard drive will be used.
> -- SP
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