Asus SABERTOOTH Z77, SABERTOOTHZ77, Z77 DRAM Timing Control

Chapter

DRAM Timing Control

The sub-items in this menu allow you to set the DRAM timing control features. Use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the <Enter> key.

Changing the values in this menu may cause the system to become unstable! If this happens, revert to the default settings.

	UEFI BIOS Utility - Advanced Mode					Exit
Main	Ai Tweaker	Advanced		Monitor	Boot	Tool
Back	Ai Tweaker\ DRAM Timing Control >
Primary Timings				Auto	DRAM CAS# Latency
DRAM CAS# Latency		CHA:	9
DRAM RAS# to CAS# Delay		CHA:	9	Auto
DRAM RAS# PRE Time		CHA:	9	Auto
DRAM RAS# ACT Time		CHA:	24	Auto
DRAM COMMAND Mode		CHA:	1	Auto
Secondary Timings
DRAM RAS# to RAS# Delay		CHA:	4	Auto
DRAM REF Cycle Time		CHA:	74	Auto
DRAM Refresh Interval		CHA:	5200	Auto	→←: Select Screen
DRAM WRITE Recovery Time		CHA:	10	Auto
					↑↓: Select Item
DRAM READ to PRE Time		CHA:	5	Auto	Enter: Select
					+/-: Change Opt.
DRAM FOUR ACT WIN Time		CHA:	20	Auto	F1: General Help
					F2: Previous Values
DRAM WRITE to READ Delay		CHA:	5	Auto	F5: Optimized Defaults
					F10: Save	ESC: Exit
DRAM CKE Minimum pulse width		CHA:	4	Auto	F12: Print Screen
DRAM CAS# Write Latency		CHA:	7	Auto
	Version	2.10.1208.	Copyright	(C) 2012 American	Megatrends, Inc.

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Scroll down to display the following items:

DRAM RTL (CHA)	CHA DO: 32,	CHA D1:	35	Auto
DRAM RTL (CHB)				Auto
DRAM IO-L (CHA)	CHA DO: 0,	CHA D1:	2	Auto
DRAM IO-L (CHB)			2	Auto
Third Timings
tWRDR (DD)		CHA:	1	Auto
tRWDR (DD)		CHA:	3	Auto
tRWSR		CHA:	3	Auto
tRR (DD)		CHA:	3	Auto
tRR (DR)		CHA:	1	Auto
tRRSR		CHA:	4	Auto
tWW (DD)		CHA:	3	Auto
tWW (DR)		CHA:	3	Auto
tWWSR		CHA:	4	Auto
MISC
MRC fast Boot				Enabled

→←: Select Screen

↑↓: Select Item

Enter: Select

+/-: Change Opt.

F1: General Help

F2: Previous Values

F5: Optimized Defaults

F10: Save ESC: Exit

F12: Print Screen

Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.

3-10 Chapter 3: BIOS setup