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Factory Default
CPU Host Frequency
100
133
200
DDR Speed
This item displays the current DDR mem
Spread Spectrum
The Spread Spectrum function can reduce the EMI (Electromagnetic Interference) generated. Options:
Enabled (default)、Disabled
AGP/PCI/SRC Speed Settin
This item determines the AGP, PCI and SRC frequencies (speed settings). You can set these
frequencies using the supplied BIOS options. One of the options available to you is "Auto, Auto,
Auto". Using the "Auto, Auto, Auto" option will instruct the system to autom
fr
equencies based on the factory default "CPU Host Frequency"
Frequency" setting and t
he formulas in the table below. Note that the factory default "CPU Host
Frequency" is the value o
f the "CPU Host Frequency" when you first received your system.
Factory Default
"CPU Host
Frequency"
100
133
200
To determine your new frequencies, you must first take the factory default "CPU Host Frequency"
an
d then determine the corresponding formulas according to the table above. Second, take the current
"CPU Host Frequency
" setting and apply it to the formulas to arrive at your new frequencies.
For example, if your factory default "CPU Host Frequency" w
Frequency" to 133, your AGP, PCI and SRC frequencies will be as f
Available Options
2.66X、2.50X (Debug)
Default (default)、2.00X、2.50X、
1.33X (Debug) 1.60X (Debug)
Default (default)、1.33X、1.60X、
2.00X、2.50X (Turbo)
ory spe
ed.
g
Formulas
AGP frequency
= current CPU Host Frequency / 1.5
PCI frequ
ency
= current CPU Host Frequency / 3
SRC freq
uency
= current CPU Host Frequency / 1
AGP frequency
= current CPU Host Frequency / 2
PCI frequency
= current CPU Host Frequency
SRC fre
quency
= current CPU Host Frequency / 1.33
AGP frequency
= current CPU Host Frequency / 3
PCI frequ
ency
= current CPU Host Frequency / 6
SRC freq
uency
= current CPU Host Frequency / 2
32
PX875P PRO/ PX875P
、
atically calculate these
setting, the current "CPU Host
/ 4
as 100, and you reset the "CPU Host
ollows:
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