Gigabyte GA-880GM-UD2H Manual - Page 41

RAS to CAS R/W Delay, 1T/2T Command Timing - ddr3

Page 41 highlights

DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2010 Award Software DRAM Configuration DCTs Mode DDR3 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 [Unganged] [Auto] Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto SPD 9T 9T 9T 24T -5T 105ns ---10T 5T 33T 4T Auto 9T 9T 9T 24T -5T 105ns ---10T 5T 33T 4T Item Help Menu Level  Bank Interleaving Channel Interleave Move Enter: Select F5: Previous Values [Enabled] [Enabled] +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults DCTs Mode 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) DDR3 Timing Items Manual allows all DDR3 Timing items below to be configurable. Options are: Auto (default), Manual. CAS# latency Options are: Auto (default), 4T~12T. RAS to CAS R/W Delay Options are: Auto (default), 5T~12T. Row Precharge Time Options are: Auto (default), 5T~12T. Minimum RAS Active Time Options are: Auto (default), 15T~30T. 1T/2T Command Timing Options are: Auto (default), 1T, 2T. TwTr Command Delay Options are: Auto (default), 4T~7T. Trfc0 for DIMM1 Options are: Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns. Trfc2 for DIMM2 Options are: Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns. - 41 - BIOS Setup

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- 41 -
BIOS Setup
DRAM Configuration
CMOS Setup Utility-Copyright (C) 1984-2010 Award Software
DRAM Configuration
hi
: 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
[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
105ns
105ns
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
x
RAS to RAS Delay
Auto
4T
4T
Bank Interleaving
[Enabled]
Channel Interleave
[Enabled]
DCTs Mode
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)
DDR3 Timing Items
Manual
allows all DDR3 Timing items below to be configurable.
Options are: Auto (default), Manual.
CAS# latency
Options are: Auto (default), 4T~12T.
RAS to CAS R/W Delay
Options are: Auto (default), 5T~12T.
Row Precharge Time
Options are: Auto (default), 5T~12T.
Minimum RAS Active Time
Options are: Auto (default), 15T~30T.
1T/2T Command Timing
Options are: Auto (default), 1T, 2T.
TwTr Command Delay
Options are: Auto (default), 4T~7T.
Trfc0 for DIMM1
Options are: Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns.
Trfc2 for DIMM2
Options are: Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns.