Gigabyte GA-G1975X Manual - Page 51

Robust Graphics Booster, C.I.A.2, CPU Host Clock Control, CPU Host FrequencyMhz, PCI Express - turbo

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English Robust Graphics Booster Select the options can enhance the VGA graphics card bandwidth to get higher performance. Auto Set Robust Graphics Booster to Auto. (Default value) Fast Set Robust Graphics Booster to Fast. Turbo Set Robust Graphics Booster to Turbo. C.I.A.2 C.I.A.2 (CPU Intelligent Accelerator 2) is designed to detect CPU loading during software program executing, and automatically adjust CPU computing power to maximize system performance. Disabled Disable this function. (Default value) Cruise Set C.I.A.2 to Cruise. Automatically increase CPU frequency(5%,7%) by CPU loading. Sports Set C.I.A.2 to Sports. Automatically increase CPU frequency(7%,9%) by CPU loading. Racing Set C.I.A.2 to Racing. Automatically increase CPU frequency(9%,11%) by CPU loading. 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 Disabled Disable CPU Host Clock Control. (Default value) Enabled Enable CPU Host Clock Control. CPU Host Frequency(Mhz) 100Mhz ~ 600Mhz Set CPU Host Clock from 100Mhz to 600Mhz. The actual range depends on the CPU you install. If you use an 800Mhz FSB processor, please set CPU Host Frequency to 200Mhz. If you use a 1066Mhz FSB processor, please set CPU Host Frequency to 266Mhz. PCI Express Frequency(Mhz) Auto Set PCI Express frequency automatically. (Default value) 90Mhz ~ 150Mhz Set PCI Express frequency from 90Mhz to 150Mhz. PCI Frequency(Mhz) Auto Set PCI frequency automatically. (Default value) 33.3Mhz ~ 37.5Mhz Set PCI frequency from 33.3Mhz to 37.5Mhz. System Memory Multiplier Wrong frequency may make system can't boot, clear CMOS to overcome wrong frequency issue. for FSB(Front Side Bus) frequency=1066MHz, 1.50 Memory Frequency = Host clock X 1.50. 2.00 Memory Frequency = Host clock X 2.00. 2.50 Memory Frequency = Host clock X 2.50. 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. 3.00 Memory Frequency = Host clock X 3.00. 4.00 Memory Frequency = Host clock X 4.00. Auto Set Memory frequency by DRAM SPD data. (Default value) - 51 - BIOS Setup

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BIOS Setup
- 51 -
English
Robust Graphics Booster
Select the options can enhance the VGA graphics card bandwidth to get higher performance.
Auto
Set Robust Graphics Booster to Auto. (Default value)
Fast
Set Robust Graphics Booster to Fast.
Turbo
Set Robust Graphics Booster to Turbo.
C.I.A.2
C.I.A.2 (CPU Intelligent Accelerator 2) is designed to detect CPU loading during software program
executing, and automatically adjust CPU computing power to maximize system performance.
Disabled
Disable this function. (Default value)
Cruise
Set C.I.A.2 to Cruise. Automatically increase CPU frequency(5%,7%) by CPU
loading.
Sports
Set C.I.A.2 to Sports. Automatically increase CPU frequency(7%,9%) by CPU
loading.
Racing
Set C.I.A.2 to Racing. Automatically increase CPU frequency(9%,11%) by CPU
loading.
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
Disabled
Disable CPU Host Clock Control. (Default value)
Enabled
Enable CPU Host Clock Control.
CPU Host Frequency(Mhz)
100Mhz ~ 600Mhz
Set CPU Host Clock from 100Mhz to 600Mhz.
The actual range depends on the CPU you install.
If you use an 800Mhz FSB processor, please set
CPU Host Frequency
to
200Mhz
.
If you use a 1066Mhz FSB processor, please set
CPU Host Frequency
to
266Mhz
.
PCI Express Frequency(Mhz)
Auto
Set PCI Express frequency automatically. (Default value)
90Mhz ~ 150Mhz
Set PCI Express frequency from 90Mhz to 150Mhz.
PCI
Frequency(Mhz)
Auto
Set PCI frequency automatically. (Default value)
33.3Mhz ~ 37.5Mhz
Set PCI frequency from 33.3Mhz to 37.5Mhz.
System Memory Multiplier
Wrong frequency may make system can't boot, clear CMOS to overcome wrong frequency issue.
for FSB(Front Side Bus) frequency=1066MHz,
1.50
Memory Frequency = Host clock X 1.50.
2.00
Memory Frequency = Host clock X 2.00.
2.50
Memory Frequency = Host clock X 2.50.
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.
3.00
Memory Frequency = Host clock X 3.00.
4.00
Memory Frequency = Host clock X 4.00.
Auto
Set Memory frequency by DRAM SPD data. (Default value)