Subject: Re: Ross question
To: Herb Peyerl <hpeyerl@beer.org>
From: Jonathan O'Brien <obrien@hulk.sfsu.edu>
List: port-sparc
Date: 01/10/2000 13:01:12
All of the Hypersparc chips (100MHz and beyond) show as not supported on
anything but the SS10, SS10SX, and SS20. Interesting that the 100 MHz
works on the 600 series. Someone may want to keep track of this, the
100MHz has two FRU's, 370-1864 and 370-1866.


On Sun, 9 Jan 2000, Herb Peyerl wrote:

> buhrow@lothlorien.nfbcal.org (Brian Buhrow)  wrote:
>  > 	When we've purchased Ross chips for Sparc 10 and 20 machines, the 
>  > seller didn't know which machine we were going to install in.  PROMS were
>  > provided with the chips, and they've worked in both 10 and 20 machines.
>  > The advice is good, change the PROM, test, then change the chip.
> 
> So I have a Ross related question.
> 
> I have a 4/690 in the build-lab that has a Ross 100Mhz chip in
> it, working fine.  (pk used it to do the hypersparc support).
> 
> We recently acquired a 150Mhz Ross (626) in an SS20.  It works fine
> there but putting the cpu in the 4/690 in place of the 100 doesn't
> work.  The mchine doesn't come out of reset and all LED's stay
> on.  What am I missing?
> 

Jon