Gigabyte GA-970A-DS3 Manual - Page 23

CPU FrequencyMHz, PCIE ClockMHz, HT Link Width, HT Link Frequency, DRAM E.O.C.P, Set Memory Clock, - overclocking

Page 23 highlights

&& CPU Frequency(MHz) Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz. This option is configurable only when CPU Host Clock Control is set to Manual. Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifications. && PCIE Clock(MHz) Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 150 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto) && HT Link Width Allows you to manually set the width for the HT Link between the CPU and chipset. Auto BIOS will automatically adjust the HT Link Width. (Default) 8 bit Sets HT Link Width to 8 bit. 16 bit Sets HT Link Width to 16 bit. && 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) x1~x13 Sets HT Link Frequency to x1~x13 (200 MHz~2.6 GHz). && DRAM E.O.C.P Allows you to determine whether to use the preset memory overclocking profile to achieve optimum overclocking performance. (Default: Disabled) && 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. The adjustable range is dependent on the CPU being installed. && DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2011 Award Software DRAM Configuration CPU Host Clock Control x CPU Frequency(MHz) Set Memory Clock x Memory Clock DCTs Mode DDR3 Timing Items x 1T/2T Command Timing x CAS# latency x RAS to CAS R/W Delay x Row Precharge Time x Minimum RAS Active Time x TwTr Command Delay x Trfc0 for DIMM1, DIMM3 x Trfc1 for DIMM2, DIMM4 x Write Recovery Time x Precharge Time x Row Cycle Time x RAS to RAS Delay **DCTs Drive Strength** [Auto] 200 [Auto] x6.66 1333Mhz [Unganged] [Auto] SPD Auto Auto -- -- Auto 9T 9T Auto 9T 9T Auto 9T 9T Auto 24T 24T Auto 5T 5T Auto 110ns 110ns Auto -- -- Auto 10T 10T Auto 5T 5T Auto 33T 33T Auto 4T 4T DCT0 DCT1 Item Help Menu Level  Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults - 23 -

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- 23 -
CPU Frequency(MHz)
&
Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz.
This option is configurable only when
CPU Host Clock Control
is set to
Manual
.
Important
It is highly recommended that the CPU frequency be set in accordance with the CPU
specifications.
PCIE Clock(MHz)
&
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 150
MHz.
Auto
sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
HT Link Width
&
Allows you to manually set the width for the HT Link between the CPU and chipset.
Auto
BIOS will automatically adjust the HT Link Width. (Default)
±
8 bit
Sets HT Link Width to 8 bit.
±
16 bit
Sets HT Link Width to 16 bit.
±
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)
±
x1~x13
Sets HT Link Frequency to x1~x13 (200 MHz~2.6 GHz).
±
DRAM E.O.C.P
&
Allows you to determine whether to use the preset memory overclocking profile to achieve optimum
overclocking performance. (Default: Disabled)
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
. The adjustable range is
dependent on the CPU being installed.
DRAM Configuration
&
CMOS Setup Utility-Copyright (C) 1984-2011 Award Software
DRAM Configuration
CPU Host Clock Control
[Auto]
x
CPU Frequency(MHz)
200
Set Memory Clock
[Auto]
x
Memory Clock
x6.66
1333Mhz
DCTs Mode
[Unganged]
DDR3 Timing Items
[Auto]
SPD
Auto
x
1T/2T Command Timing
Auto
--
--
x
CAS# latency
Auto
9T
9T
x
RAS to CAS R/W Delay
Auto
9T
9T
x
Row Precharge Time
Auto
9T
9T
x
Minimum RAS Active Time
Auto
24T
24T
x
TwTr Command Delay
Auto
5T
5T
x
Trfc0 for DIMM1, DIMM3
Auto
110ns
110ns
x
Trfc1 for DIMM2, DIMM4
Auto
--
--
x
Write Recovery Time
Auto
10T
10T
x
Precharge Time
Auto
5T
5T
x
Row Cycle Time
Auto
33T
33T
x
RAS to RAS Delay
Auto
4T
4T
**
DCTs Drive Strength
**
DCT0
DCT1

: Move
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General Help
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
Item Help
Menu Level