[SunRescue] E450 with 200MHz CPUs?

[James Lockwood]

On Wed, 3 Jan 2001, Robert Rose wrote:

> My FEH (12/5/97) indicates that 167MHz CPUs may be possible too.  J2701
> (situated above the CHEERIO chip) should be set to 1-2 for 250/300MHz
> and 2-3 for 167/200MHz, this is for E450 motherboard part no 501-2996. 
> It also indicates the installation sequence of CPU modules and DIMMs is
> different for particular revisions, and says absolutely nothing about
> modules faster than 300MHz.  I also seem to remember something about an
> Ultra non-Enterprise 450, but that was a while ago now.  Perhaps this
> might spark (no pun intended) something in James' memory?

There are three different 450 motherboard revs that I know of.  The
501-5028 and 501-2996 do not support the faster (4MB e-cache) CPUs, the
501-5270 does. 

-James