Gigabyte Comprehensive DRAM Configuration Guide for GA-M68MT-S2P

DRAM Configuration

CMOS Setup Utility-Copyright (C) 1984-2010 Award Software

DRAM Configuration

	DCTs Mode		[Unganged]				Item Help
	DDR3 Timing Items		[Auto]	SPD	Auto	Menu Level 
x	CAS# latency		Auto	7T	7T
x RAS to CAS R/W Delay			Auto	7T	7T
x	Row Precharge Time		Auto	7T	7T
x	Minimum RAS Active Time		Auto	20T	20T
x	1T/2T Command Timing		Auto	--	--
x	TwTr Command Delay		Auto	4T	4T
x	Trfc0 for DIMM1		Auto	110ns	110ns
x	Trfc1 for DIMM3		Auto	--	--
x	Write Recovery Time		Auto	8T	8T
x	Precharge Time		Auto	4T	4T
x	Row Cycle Time		Auto	27T	27T
x RAS to RAS Delay			Auto	4T	4T
	CKE Power Down Mode		[Disabled]
	CKE Power Down Control		[per Channel]
: Move		Enter: Select	+/-/PU/PD: Value		F10: Save	ESC: Exit	F1: General Help
	F5: Previous Values		F6: Fail-Safe Defaults			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.

Trfc1 for DIMM3

Options are: Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns.

Write Recovery Time

Options are: Auto (default), 5T~12T.

BIOS Setup - 22 -