Gigabyte GA-8I945P-G Manual - Page 45

CPU Host Clock Control, CPU Host Frequency Mhz, PCI Experss Frequency Mhz, System Memory Multiplier - overclocking

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English Turbo Set C.I.A.2 to Turbo. (Automatically increase CPU frequency(15%,17%) by CPU loading. Full Thrust Set C.I.A.2 to Full Thrust. (Automatically increase CPU frequency(17%, 19%) by CPU loading. Warning: Stability is highly dependent on system components. CPU Host Clock Control Please note that if your system is overclocked and cannot restart, please wait 20secs. for automatic system restart or clear the CMOS setup data and perform a safe restart. Disabled Disable CPU Host Clock Control. (Default value) Enabled Enable CPU Host Clock Control. CPU Host Frequency (Mhz) 100MHz ~ 600MHz Set CPU Host Frequency from 100MHz to 600MHz. If you use FSB533 Pentium 4 processor, please set "CPU Host Frequency" to 133MHz.If you use FSB800 Pentium 4 processor, please set "CPU Host Frequency" to 200MHz. Incorrect using it may cause your system broken. For power End-User use only! PCI Experss Frequency (Mhz) Auto 90~150 Set PCI Express frequency automatically. (Default value) Set PCI Express frequency from 90MHz to 150MHz. System Memory Multiplier Wrong frequency may make system can't boot, clear CMOS to overcome wrong frequency issue. for FSB(Front Side Bus) frequency=533MHz, 3 Memory Frequency = Host clock X 3. 4 Memory Frequency = Host clock X 4. Auto Set Memory frequency by DRAM SPD data. (Default value) for FSB(Front Side Bus) frequency=800MHz, 2.0 Memory Frequency = Host clock X 2.0. 2.66 Memory Frequency = Host clock X 2.66. 3.33 Memory Frequency = Host clock X 3.33. Auto Set Memory frequency by DRAM SPD data. (Default value) for FSB(Front Side Bus) frequency=1066MHz, 1.5 Memory Frequency = Host clock X 1.5. 2.0 Memory Frequency = Host clock X 2.0. 2.5 Memory Frequency = Host clock X 2.5. Auto Set Memory frequency by DRAM SPD data. (Default value) Memory Frequency (Mhz) The values depend on CPU Host Frequency (Mhz) and System Memory Multiplier setting. DIMM OverVoltage Control Please note that by overclocking your system through the increase of the DIMM voltage, damage to the memory may occur. Normal Set DIMM OverVoltage Control to Normal. (Default value) +0.1V Set DIMM OverVoltage Control to +0.1V. +0.2V Set DIMM OverVoltage Control to +0.2V. - 45 - BIOS Setup

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BIOS Setup
- 45 -
English
Turbo
Set C.I.A.2 to Turbo. (Automatically increase CPU frequency(15%,17%) by
CPU loading.
Full Thrust
Set C.I.A.2 to Full Thrust. (Automatically increase CPU frequency(17%, 19%)
by CPU loading.
Warning: Stability is highly dependent on system components.
CPU Host Clock Control
Please note that if your system is overclocked and cannot restart, please wait 20secs.
for automatic system restart or clear the CMOS setup data and perform a safe restart.
Disabled
Disable CPU Host Clock Control. (Default value)
Enabled
Enable CPU Host Clock Control.
CPU Host Frequency (Mhz)
100MHz ~ 600MHz
Set CPU Host Frequency from 100MHz to 600MHz.
If you use FSB533 Pentium 4 processor, please set "CPU Host Frequency" to 133MHz.If you use
FSB800 Pentium 4 processor, please set "CPU Host Frequency" to 200MHz.
Incorrect using it may cause your system broken. For power End-User use only!
PCI Experss Frequency (Mhz)
Auto
Set PCI Express frequency automatically. (Default value)
90~150
Set PCI Express frequency from 90MHz to 150MHz.
System Memory Multiplier
Wrong frequency may make system can't boot, clear CMOS to overcome wrong frequency issue.
for FSB(Front Side Bus) frequency=533MHz,
3
Memory Frequency = Host clock X 3.
4
Memory Frequency = Host clock X 4.
Auto
Set Memory frequency by DRAM SPD data. (Default value)
for FSB(Front Side Bus) frequency=800MHz,
2.0
Memory Frequency = Host clock X 2.0.
2.66
Memory Frequency = Host clock X 2.66.
3.33
Memory Frequency = Host clock X 3.33.
Auto
Set Memory frequency by DRAM SPD data. (Default value)
for FSB(Front Side Bus) frequency=1066MHz,
1.5
Memory Frequency = Host clock X 1.5.
2.0
Memory Frequency = Host clock X 2.0.
2.5
Memory Frequency = Host clock X 2.5.
Auto
Set Memory frequency by DRAM SPD data. (Default value)
Memory Frequency (Mhz)
The values depend on
CPU Host Frequency (Mhz)
and
System Memory Multiplier
setting.
DIMM OverVoltage Control
Please note that by overclocking your system through the increase of the DIMM voltage, damage
to the memory may occur.
Normal
Set DIMM OverVoltage Control to Normal. (Default value)
+0.1V
Set DIMM OverVoltage Control to +0.1V.
+0.2V
Set DIMM OverVoltage Control to +0.2V.