Gigabyte GA-8I845PE Pro User Manual page 51

P4 titan series motherboard
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CPU Host Clock Control
Disabled
Disable CPU Host Clock C ontrol. (Default v alue)
Enabled
Enable CPU Host Clock Control.
CPU Host Frequency (Mhz)
100M Hz ~ 355MHz
If y ou use FSB400 Pentium 4 processor, please set "CPU Clock" to 100MHz.If y ou use F SB533
Pentium 4 processor, please set "CPU Clock" to 133MHz.
Incorrect using it may c ause y our sy stem broken. For pow er End-User use only !
AGP/PCI/S RC Fixed
Serial ATA dev ice is v ery sensitiv e to SRC clock. SRC ov er clock may make Serial ATA dev ice
function can't w ork properly .
Adjus t AGP/PCI/SRC cloc k asy chrohous w ith CPU.
Memory Frequency For
for FSB(Front Side Bus) frequency =400MHz,
2.66
Memory Frequency = Host clock X 2.66.
Auto
Set M emory frequency by DRAM SPD data. (Default v alue)
for FSB(Front Side Bus) frequency =533MHz,
2.0
Memory Frequency = Hos t clock X 2.0.
2.5
Memory Frequency = Hos t clock X 2.5.
Auto
Set M emory frequency by DRAM SPD data. (Default v alue)
for FSB(Front Side Bus) frequency =800MHz,
2.0
Memory Frequency = Hos t clock X 2.0.
1.6
Memory Frequency = Hos t clock X 1.6.
1.33
Memory Frequency = Host clock X 1.33.
Auto
Set M emory frequency by DRAM SPD data. (Default v alue)
Memory Freq uency (Mhz)
The v alues depend on CPU Host F requency (Mhz).
AGP/PCI /SRC Frequency (Mhz)
The v alues depend on Fix ed AGP/PCI/SRC Frequency .
Set C PU Host Clock from 100MHz to 355MHz.
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BIOS Setup

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