Gigabyte GA-MA790X-UD4P Manual - Page 41

DRAM Configuration, CPU Host Clock Control, CPU Frequency MHz, Set Memory Clock, Memory Clock, DCTs

Page 41 highlights

DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration CPU Host Clock Control x CPU Frequency (MHz) Set Memory Clock x Memory Clock DCTs Mode (Note) 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 Trfc0 for DIMM1 x Trfc2 for DIMM2 x Trfc1 for DIMM3 x Trfc3 for DIMM4 x Write Recovery Time x Precharge Time x Row Cycle Time [Auto] 200 [Auto] x2.66 533Mhz [Unganged] [Auto] SPD Auto 5T Auto 4T Auto 4T Auto 12T Auto - - Auto 2T Auto 105ns Auto - - Auto - - Auto - - Auto 4T Auto 2T Auto 17T Auto 5T 4T 4T 12T - 2T 105ns - - - 4T 2T 17T 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 x RAS to RAS Delay CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration Auto 2T 2T 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 CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock The settings under the four items above are synchronous to those under the same items in the MB Intelligent Tweaker(M.I.T.). DCTs Mode (Note) Allows you to set memory control mode. Ganged Sets memory control mode to single dual-channel. Unganged Sets memory control mode to two single-channel.(default) DDRII Timing Items Manual allows all DDRII Timing items below to be configurable. Options are: Auto (default), Manual. (Note) This item is present only if you install a CPU that supports this feature. - 41 - BIOS Setup

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- 41 -
BIOS Setup
DRAM Configuration
CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock
The settings under the four items above are synchronous to those under the same items in the
MB Intelligent Tweaker(M.I.T.)
.
DCTs Mode
(Note)
Allows you to set memory control mode.
Ganged
Sets memory control mode to single dual-channel.
Unganged
Sets memory control mode to two single-channel.(default)
DDRII Timing Items
Manual
allows all DDRII Timing items below to be configurable.
Options are: Auto (default), Manual.
CMOS Setup Utility-Copyright (C) 1984-2009 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
Item Help
Menu Level
CPU Host Clock Control
[Auto]
x
CPU Frequency (MHz)
200
Set Memory Clock
[Auto]
x
Memory Clock
x2.66
533Mhz
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
12T
12T
x
1T/2T Command Timing
Auto
- -
- -
x
TwTr Command Delay
Auto
2T
2T
x
Trfc0 for DIMM1
Auto
105ns
105ns
x
Trfc2 for DIMM2
Auto
- -
- -
x
Trfc1 for DIMM3
Auto
- -
- -
x
Trfc3 for DIMM4
Auto
- -
- -
x
Write Recovery Time
Auto
4T
4T
x
Precharge Time
Auto
2T
2T
x
Row Cycle Time
Auto
17T
17T
CMOS Setup Utility-Copyright (C) 1984-2009 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
Item Help
Menu Level
x
RAS to RAS Delay
Auto
2T
2T
(Note)
This item is present only if you install a CPU that supports this feature.