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Re: IP32 RM5200 CPU modules... PROM requirements?

To: Stuart Longland <>
Subject: Re: IP32 RM5200 CPU modules... PROM requirements?
From: "J. Scott Kasten" <>
Date: Sat, 25 Aug 2007 20:46:46 -0400
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Do you still have a bootable IRIX image for your O2? If so, kick into swmgr and look to see if it lists the O2 prom update package as installed. I don't think it is part of the default install, but is on the overlays. Once you have that on the box, use swmgr to list the files in the package and locate any docs, man pages, etc...

RM5200 is a specific kernel target for the linux builds.


On Sat, 25 Aug 2007, Stuart Longland wrote:

Hi All...
        This isn't so much a Linux/MIPS related question, but rather an SGI
one, anyway.

        I've recently purchased an RM5200 CPU module for my O2 (which presently
runs a 180MHz R5000).  I powered down the box, pulled the system board
out, and swapped the CPU modules over.

        Upon doing this, I get a "Unsupported CPU type" message on serial
console, and the box refuses to start.  I figure this is because my PROM
is too old to support the RM5200.  Does anyone have any pointers
regarding how one upgrades the PROM?  (I still have both CPU modules.)
Or am I up for a newer system board in order to benefit from the new CPU?

        Also, once I have the CPU going ... do I need to do anything special
kernel-wise, or will my existing R5000 kernel work?

Stuart Longland (aka Redhatter)              .'''.
Gentoo Linux/MIPS Cobalt and Docs Developer  '.'` :
. . . . . . . . . . . . . . . . . . . . . .   .'.'             :.'

I haven't lost my mind...'s backed up on a tape somewhere.

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