Gigabyte GA-MA790FX-UD5P Manual - Page 43

DCTs Mode, CPU Host Clock Control, CPU Frequency MHz, Set Memory Clock, Memory Clock, DDRII Timing

Page 43 highlights

DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration DCTs Mode (Note) CPU Host Clock Control x CPU Frequency (MHz) Set Memory Clock x Memory Clock 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 [Unganged] [Auto] 200 [Auto] x2.66 533Mhz [Auto] SPD Auto 7T Auto 7T Auto 7T Auto 20T Auto - - Auto 5T Auto 90ns Auto - - Auto - - Auto - - Auto 10T Auto 3T Auto 11T Auto 5T 4T 4T 12T - 2T 90ns - - - 10T 3T 11T 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 MB Intelligent Tweaker(M.I.T.) Auto 4T 4T 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 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. 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.). DDRII Timing Items Manual allows all DDR2 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. - 43 - BIOS Setup

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- 43 -
BIOS Setup
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.
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.)
.
DDRII Timing Items
Manual
allows all DDR2 Timing items below to be configurable.
Options are: Auto (default), Manual.
DRAM Configuration
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
DCTs Mode
(Note)
[Unganged]
CPU Host Clock Control
[Auto]
x
CPU Frequency (MHz)
200
Set Memory Clock
[Auto]
x
Memory Clock
x2.66
533Mhz
DDRII Timing Items
[Auto]
SPD
Auto
x
CAS# latency
Auto
7T
5T
x
RAS to CAS R/W Delay
Auto
7T
4T
x
Row Precharge Time
Auto
7T
4T
x
Minimum RAS Active Time
Auto
20T
12T
x
1T/2T Command Timing
Auto
- -
- -
x
TwTr Command Delay
Auto
5T
2T
x
Trfc0 for DIMM1
Auto
90ns
90ns
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
3T
3T
x
Row Cycle Time
Auto
11T
11T
CMOS Setup Utility-Copyright (C) 1984-2009 Award Software
MB Intelligent Tweaker(M.I.T.)

: 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
(Note)
This item is present only if you install a CPU that supports this feature.