[rescue] Difference between U5/10?
pat at computer-refuge.org
Tue Oct 11 10:27:11 CDT 2005
On Tuesday 11 October 2005 08:19, James Hartley wrote:
> I was under the impression that the motherboards between the Ultra 5
> and Ultra 10 were the same. From what I have seen on this list, the
> fastest CPU marketed for the U10 was 440MHz. If this is all true, is
> there anything preventing moving U10 mobo's back to a U5?
No, in fact they used the same motherboards (look at the component lists
on Sunsolve for them - they share the same system board part #s).
Also, as I discovered, you can even use an old 375-0009 board from a
first-gen 270MHz Ultra 5 and put any CPU - up to a 440MHz one - into
it, as long as you flash the board to a newer PROM rev (no reason to
use anything but the latest rev) before you swap the faster CPU in.
> From what I can see, besides more plastic, the U10 offered four PCI
> slots as opposed to three in the U5.
That's on the riser card. Using the U10's case and riser card also
makes available the UPA graphics slot, and space for more internal
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