Gigabyte GA-M720-ES3 Manual - Page 37

DRAM Configuration, SLI-Ready Memory, Set Memory Clock, Memory Clock, DDRII Timing Items, CAS#

Page 37 highlights

DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration SLI-Ready Memory 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 x RAS to RAS Delay [Disabled] [Auto] X3.33 667Mhz [Auto] SPD Auto 5T Auto 5T Auto 5T Auto 15T Auto - - Auto 3T Auto 105ns Auto - - Auto - - Auto - - Auto 6T Auto 3T Auto 21T Auto 3T Auto 5T 5T 5T 15T - 3T 105ns - - - 6T 3T 21T 3T 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 SLI-Ready Memory Allows you to enable or disable the SLI-Ready (EPP) memory function. (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 all clock control items 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 AM3/AM2+ CPU: X2.00 Sets Memory Clock to X2.00. X2.66 Sets Memory Clock to X2.66. X3.33 Sets Memory Clock to X3.33. X4.00 Sets Memory Clock to X4.00. X5.33 Sets Memory Clock to X5.33. When you use a AM2 CPU: DDR 400 Sets Memory Clock to DDR 400. DDR 533 Sets Memory Clock to DDR 533. DDR 667 Sets Memory Clock to DDR 667. DDR 800 Sets Memory Clock to DDR 800. DDRII Timing Items Manual allows all DDR2 Timing items below to be configurable. Options are: Auto (default), Manual. CAS# latency Options are: Auto (default), 3T~6T. RAS to CAS R/W Delay Options are: Auto (default), 3T~6T. - 37 - BIOS Setup

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- 37 -
BIOS Setup
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
SLI-Ready Memory
[Disabled]
Set Memory Clock
[Auto]
x
Memory Clock
X3.33
667Mhz
DDRII Timing Items
[Auto]
SPD
Auto
x
CAS# latency
Auto
5T
5T
x
RAS to CAS R/W Delay
Auto
5T
5T
x
Row Precharge Time
Auto
5T
5T
x
Minimum RAS Active Time
Auto
15T
15T
x
1T/2T Command Timing
Auto
- -
- -
x
TwTr Command Delay
Auto
3T
3T
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
6T
6T
x
Precharge Time
Auto
3T
3T
x
Row Cycle Time
Auto
21T
21T
x
RAS to RAS Delay
Auto
3T
3T
SLI-Ready Memory
Allows you to enable or disable the SLI-Ready (EPP) memory function. (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 all clock control items 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 AM3/AM2+ CPU:
X2.00
Sets Memory Clock to X2.00.
X2.66
Sets Memory Clock to X2.66.
X3.33
Sets Memory Clock to X3.33.
X4.00
Sets Memory Clock to X4.00.
X5.33
Sets Memory Clock to X5.33.
When you use a AM2 CPU:
DDR 400
Sets Memory Clock to DDR 400.
DDR 533
Sets Memory Clock to DDR 533.
DDR 667
Sets Memory Clock to DDR 667.
DDR 800
Sets Memory Clock to DDR 800.
DDRII Timing Items
Manual
allows all DDR2 Timing items below to be configurable.
Options are: Auto (default), Manual.
CAS# latency
Options are: Auto (default), 3T~6T.
RAS to CAS R/W Delay
Options are: Auto (default), 3T~6T.