[rescue] IRIX 5.3 CD format

Jonathan C. Patschke jp at celestrion.net
Fri Dec 13 13:07:07 CST 2002

On Fri, 13 Dec 2002, Kevin wrote:

> Date: Fri, 13 Dec 2002 02:00:35 -0500
> From: Kevin <kevin at mpcf.com>
> Reply-To: rescue at sunhelp.org
> To: rescue at sunhelp.org
> Subject: [rescue] IRIX 5.3 CD format
> Hash: SHA1
> Are the IRIX 5.3 CDs in EFS format?  I have compiled EFS
> format into my linux kernel but it fails to mount the CD
> regardless.  I've tried with 2.4.19 and 2.4.20

You also need support for the SGI partition type, since IRIX CDs have
multiple partitions.

> Also, does anyone here know if "IRIX 5.3 with 175Mhz and 2MB
> cache support" will work on an Indy?  I have been told that it
> will only work on some Indigo2s and not Indys?

It's a toss-up.  The Indy has an IP24 motherboard, but uses an IP22
kernel (just like the R4x00 I2s).  However, there are some device
differences, and an I2-specific kernel may lack the necessary drivers
(like GIO-32 and NewPort gfx) to successfully boot an Indy.  I'm going
to bet that it'll boot far enough to give you some fatal error.

Jonathan Patschke
  "Albert Einstein nailed space-time, but the wild thing had him stumped.
   Al, baby, two and two make five-and-a-quarter; that's why people fall
   in love." -- Thomas Dolby, "That's Why People Fall in Love"

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