[rescue] 400mHz CPU in an Ultra 60

Janet L. Campbell janet at foonly.com
Tue Feb 24 13:22:25 CST 2004

On Mon, 23 Feb 2004, Phil Stracchino wrote:

> On Mon, Feb 23, 2004 at 04:19:27PM +0000, Lionel Peterson wrote:
> > > On this subject, does anyone happen to know the fastest CPU module
> > > (taking both speed and cache into account) that can be installed
> > > in a U30?
> > 
> > I have been told the 300 MHz/2 MB CPU is the fastest supported by the Ultra 30. Never tried anything faster myself though...
> I know it's the only one *officially supported* in the U30.  But I've
> heard mumblings about people successfully installing 400MHz CPUs, and I
> was curious if anyone could confirm.

The 400MHz/2MB CPUs (as used in the E250) will work.  The U30, like the
U60, uses the same jumper setting for /2 and /4 clocking between the CPU
and the UPA bus, so you'd jumper J3001 to 2-3.

If memory serves, the same thing is true for J2701 in old (501-2996)  


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