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Information provided in the PI Utility includes:
XLR8 Contact: This is handy information for when you
need to contact XLR8 for question or
comments.
CPU Speed: Checks the current operating speed of
the CPU.
Bus Speed: Provides the current speed of the bus
(connection) between the CPU and the
motherboard.
CPU to Bus Provides the current multiplier used
Ratio: to run the CPU at the current speed.
Backside Provides the current size of the
Cache: backside cache on the MACh Speed G3
Upgrade Card.
CPU Temp: This provides the current temperature
for the CPU on the MACh Speed. the
optimum temperature range is from 0˚ C
to 85˚ C.
Chapter 3 - Installing the Software
Page 4 9
The Processor Info Utility
1. Open the Processor Info Utility
• Open the folder in which you copied the Processor Info
utility. Double-click on the XLR8 Processor Info. Review
the dialog for correct information.
Note: If the CPU speed or cache size are reading incor-
rectly, you may have a problem with your system. Consult
Chapter 5 - Tech Support.
CPU operating clock speed is determined by the formula:
BUS Ratio X BUS Speed = CPU speed in MHz.
The MACh Speed G3 cards are preset at factory as follows:
Model Bus Speed CPU Ratio CPU Speed
MACh Speed G3 266 41.00 MHz 6.5:1 266.5 MHz
MACh Speed G3 275 42.60 MHz 6.5:1 276.9 MHz
MACh Speed G3 300 40.00 MHz 7.5:1 300.0 MHz
MACh Speed G3 333 41.60 MHz 7.5:1 334.5 MHz
MACh Speed G3 366 46.00 MHz 8.0:1 368.0 MHz
MACh Speed G3 400 50.00 MHz 8.0:1 400.0 MHz
Chapter 3 - Installing the Software
Page 4 8