Hmm, for some reason I'm getting no quote button at the bottom of messages.
Anyway, if you're getting 650 MHz when set to a 11:1 ration, then the bus speed of your B&W must be set to 650/11 = 59.1 MHz.
Clearly, the software (CPU Director) expects the bus speed to be 100 MHz, which would give you 100 MHz X 11 = 1100 MHz.
You could try setting CPU Director to a higher multiplier. I'm not sure what the choices are, although, IIRC 20:1 is the highest. 20:1 should give you 1182 MHz, which might be a bit too fast. If there's an 18:1 or 19:1 setting try those.
Alternatively, go over to xlr8yourmac.com and read the articles on setting the jumpers in the B&W then reset yours so that you can actually get a 100 MHz bus speed. Bus speed is the only jumper setting on the B&W motherboard you care about with that upgrade. The cache ratio and CPU speed multiplier settings are ignored by the PPC750GX upgrade.
Wasn't it the case that some B&Ws would do 100 MHz and some would only do slower bus speeds, or am I misremembering. That is, they all had the settings for all teh speeds, but on some the hardware (chips) weren't chosen for the 100 MHz bus speed?
Anyway, if you're getting 650 MHz when set to a 11:1 ration, then the bus speed of your B&W must be set to 650/11 = 59.1 MHz.
Clearly, the software (CPU Director) expects the bus speed to be 100 MHz, which would give you 100 MHz X 11 = 1100 MHz.
You could try setting CPU Director to a higher multiplier. I'm not sure what the choices are, although, IIRC 20:1 is the highest. 20:1 should give you 1182 MHz, which might be a bit too fast. If there's an 18:1 or 19:1 setting try those.
Alternatively, go over to xlr8yourmac.com and read the articles on setting the jumpers in the B&W then reset yours so that you can actually get a 100 MHz bus speed. Bus speed is the only jumper setting on the B&W motherboard you care about with that upgrade. The cache ratio and CPU speed multiplier settings are ignored by the PPC750GX upgrade.
Wasn't it the case that some B&Ws would do 100 MHz and some would only do slower bus speeds, or am I misremembering. That is, they all had the settings for all teh speeds, but on some the hardware (chips) weren't chosen for the 100 MHz bus speed?