On May 23, 2010, at 11:38 AM, JOHN CARMONNE wrote:
On May 23, 2010, at 8:18 AM, Mac User #330250 wrote:
John, I don't know anything about cubes, but the CPU modules get
their
clock speed by multiplying the bus speed so 133 x 4 = 533. If you
use it
with a 100MHz bus then it will operate at 400MHz!
Will the cube take a dual? I have a spare dual 450MHz.
Where does the Bus speed come from? The logic board or the Daughter
card? Also i have a 500 cube with a 100 Bus speed
So your saying that 5x100= 500. What is determining the multipier
in my Cube 500? I'm getting confused with all the things
I'm reading, I'd hate to go to all the work to install a processor
just to find out it's slower that the old one:-) I would think some
of the AGP cards from the towers would work in a Cube but maybe
that's why they get so much for the aftermarket ones.
The bus speed is set by the motherboard. The multiplier is set on the
processor card.
In some systems, there are ways of changing the bus speed, I do not
know about the cube. There are also ways of changing the multiplier on
some stock Apple cards. HOWEVER, both these involve circuit board
level soldering and are not for the feint hearted.
I am not real familiar with the cube, but because of heat issues, I
would not mess with these.
IMNSHO, your best bet is to stay with either a genuine Apple processor
designed for the cube, or an aftermarket one designed for it.
Len
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