Gigabyte GA-MA770-S3P Manual - Page 53

PCIE Clock MHz, HT Link Frequency, Set Memory Clock, Memory Clock, DRAM Configuration

Page 53 highlights

PCIE Clock (MHz) Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 200 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto) HT Link Frequency Allows you to manually set the frequency for the HT Link between the CPU and chipset. Auto BIOS will automatically adjust the HT Link Frequency. (Default) 200 MHz~2.6 GHz Sets HT Link Frequency to 200 MHz~2.6 GHz. Set Memory Clock Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory clock as required. Manual allows the memory clock control item below to be configurable. (Default: Auto) Memory Clock This option is configurable only when Set Memory Clock is set to Manual. When you use a AM2 CPU: DDR 400 DDR 533 Sets Memory Clock to DDR 400. Sets Memory Clock to DDR 533. (Default) DDR 667 Sets Memory Clock to DDR 667. DDR 800 Sets Memory Clock to DDR 800. When you use a AM2+ CPU: X2.00 Sets Memory Clock to X2.00. X2.66 X3.33 Sets Memory Clock to X2.66. (Default) Sets Memory Clock to X3.33. X4.00 Sets Memory Clock to X4.00. X5.33 Sets Memory Clock to X5.33. DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2008 Award Software DRAM Configuration CPU Host Clock Control x CPU Frequency (MHz) Set Memory Clock x Memory Clock DCTs Mode (Note) [Auto] 200 [Auto] DDR 533 [Unganged] Item Help Menu Level DDRII Timing Items x CAS# latency x RAS to CAS R/W Delay x Row Precharge Time x Minimum RAS Active Time x 1T/2T Command Timing x TwTr Command Delay x Write Recovery Time x Precharge Time x Row Cycle Time x RAS to RAS Delay [Auto] SPD Auto 5T Auto 4T Auto 4T Auto 11T Auto -- Auto 2T Auto 4T Auto 4T Auto 15T Auto 2T Auto 5T 4T 4T 11T -2T 4T 4T 15T 2T Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults (Note) This item is present only if you install a CPU that supports this feature. - 53 - BIOS Setup

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- 53 -
BIOS Setup
PCIE Clock (MHz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to
200 MHz.
Auto
sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
HT Link Frequency
Allows you to manually set the frequency for the HT Link between the CPU and chipset.
Auto
BIOS will automatically adjust the HT Link Frequency. (Default)
200 MHz~2.6 GHz
Sets HT Link Frequency to 200 MHz~2.6 GHz.
Set Memory Clock
Determines whether to manually set the memory clock.
Auto
lets BIOS automatically set the
memory clock as required.
Manual
allows the memory clock control item below to be configurable.
(Default: Auto)
Memory Clock
This option is configurable only when
Set Memory Clock
is set to
Manual
.
When you use a AM2 CPU:
DDR 400
Sets Memory Clock to DDR 400.
DDR 533
Sets Memory Clock to DDR 533. (Default)
DDR 667
Sets Memory Clock to DDR 667.
DDR 800
Sets Memory Clock to DDR 800.
When you use a AM2+ CPU:
X2.00
Sets Memory Clock to X2.00.
X2.66
Sets Memory Clock to X2.66. (Default)
X3.33
Sets Memory Clock to X3.33.
X4.00
Sets Memory Clock to X4.00.
X5.33
Sets Memory Clock to X5.33.
DRAM Configuration
CMOS Setup Utility-Copyright (C) 1984-2008 Award Software
DRAM Configuration

: Move
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General Help
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
CPU Host Clock Control
[Auto]
x
CPU Frequency (MHz)
200
Set Memory Clock
[Auto]
x
Memory Clock
DDR 533
DCTs Mode
(
Note
)
[Unganged]
DDRII Timing Items
[Auto]
SPD
Auto
x
CAS# latency
Auto
5T
5T
x
RAS to CAS R/W Delay
Auto
4T
4T
x
Row Precharge Time
Auto
4T
4T
x
Minimum RAS Active Time
Auto
11T
11T
x
1T/2T Command Timing
Auto
--
--
x
TwTr Command Delay
Auto
2T
2T
x
Write Recovery Time
Auto
4T
4T
x
Precharge Time
Auto
4T
4T
x
Row Cycle Time
Auto
15T
15T
x
RAS to RAS Delay
Auto
2T
2T
Item Help
Menu Level
(Note)
This item is present only if you install a CPU that supports this feature.