Gigabyte GA-890XA-UD3 Manual - Page 39

CPU Host Clock Control, CPU FrequencyMHz, Set Memory Clock, Manual, Important

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DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2010 Award Software DRAM Configuration CPU Host Clock Control x CPU Frequency(MHz) Set Memory Clock x Memory Clock DCTs Mode [Unganged] DDR3 Timing Items [Auto] x CAS# latency Auto x RAS to CAS R/W Delay Auto x Row Precharge Time Auto x Minimum RAS Active Time Auto x 1T/2T Command Timing Auto x TwTr Command Delay Auto x Trfc0 for DIMM1 Auto x Trfc2 for DIMM2 Auto x Trfc1 for DIMM3 Auto x Trfc3 for DIMM4 Auto x Write Recovery Time Auto x Precharge Time Auto x Row Cycle Time Auto [Auto] 200 [Auto] x6.66 SPD 9T 9T 9T 24T -5T 110ns ---10T 5T 33T 1333Mhz Auto 9T 9T 9T 24T -5T 110ns ---10T 5T 33T 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 CMOS Setup Utility-Copyright (C) 1984-2010 Award Software DRAM Configuration x RAS to RAS Delay **DCTs Drive Strength** ProcOdt(ohms) DQS drive Strength Data drive Strength MEMCLK drive Strength Addr/Cmd drive Strength CS/ODT drive Strength CKE drive Strength Auto 4T 4T DCT0 DCT1 [Auto] 60 [Auto] 60 [Auto] 1.0x [Auto] 1.0x [Auto] 1.0x [Auto] 1.0x [Auto] 1.25x [Auto] 1.25x [Auto] 1.5x [Auto] 1.5x [Auto] 1.5x [Auto] 1.5x [Auto] 1.5x [Auto] 1.5x Item Help Menu Level  Bank Interleaving Channel interleave [Enabled] [Enabled] Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults CPU Host Clock Control Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust the CPU host frequency. Manual allows the CPU Frequency (MHz) item below to be configurable. Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated system reboot, or clear the CMOS values to reset the board to default values. CPU Frequency(MHz) Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz. Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifications. 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) - 39 - BIOS Setup

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- 39 -
BIOS Setup
CPU Host Clock Control
Enables or disables the control of CPU host clock.
Auto
(default) allows the BIOS to automatically adjust
the CPU host frequency.
Manual
allows the
CPU Frequency (MHz)
item below to be configurable.
Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated
system reboot, or clear the CMOS values to reset the board to default values.
CPU Frequency(MHz)
Allows you to manually set the CPU host frequency.
The adjustable range is from 200 MHz to 500 MHz.
Important
It is highly recommended that the CPU frequency be set in accordance with the CPU specifi
-
cations.
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)
DRAM Configuration
CMOS Setup Utility-Copyright (C) 1984-2010 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
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
1T/2T Command Timing
Auto
--
--
x
TwTr Command Delay
Auto
5T
5T
x
Trfc0 for DIMM1
Auto
110ns
110ns
x
Trfc2 for DIMM2
Auto
--
--
x
Trfc1 for DIMM3
Auto
--
--
x
Trfc3 for DIMM4
Auto
--
--
x
Write Recovery Time
Auto
10T
10T
x
Precharge Time
Auto
5T
5T
x
Row Cycle Time
Auto
33T
33T
higf
: 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
CMOS Setup Utility-Copyright (C) 1984-2010 Award Software
DRAM Configuration
higf
: 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
x
RAS to RAS Delay
Auto
4T
4T
**
DCTs Drive Strength
**
DCT0
DCT1
ProcOdt(ohms)
[Auto]
60
[Auto]
60
DQS drive Strength
[Auto]
1.0x
[Auto]
1.0x
Data drive Strength
[Auto]
1.0x
[Auto]
1.0x
MEMCLK drive Strength
[Auto]
1.25x
[Auto]
1.25x
Addr/Cmd drive Strength
[Auto]
1.5x
[Auto]
1.5x
CS/ODT drive Strength
[Auto]
1.5x
[Auto]
1.5x
CKE drive Strength
[Auto]
1.5x
[Auto]
1.5x
Bank Interleaving
[Enabled]
Channel interleave
[Enabled]