Chapter 3, Dram timing control, Chapter 3: bios setup – Asus SABERTOOTH Z77 User Manual
Page 74: Scroll down to display the following items, Uefi bios utility - advanced mode
3-10
Chapter 3: BIOS setup
Chapter 3
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
DRAM CAS# Latency
→←
: Select Screen
↑↓
: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save ESC: Exit
F12: Print Screen
UEFI BIOS Utility - Advanced Mode
Back
Ai Tweaker\
DRAM Timing Control >
Primary Timings
DRAM CAS# Latency CHA: 9 Auto
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
DRAM WRITE Recovery Time CHA:
10
Auto
DRAM READ to PRE Time CHA:
5
Auto
DRAM FOUR ACT WIN Time CHA:
20
Auto
DRAM WRITE to READ Delay CHA:
5
Auto
DRAM CKE Minimum pulse width CHA:
4
Auto
DRAM CAS# Write Latency CHA:
7
Auto
Scroll down to display the following items:
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
→←
: Select Screen
↑↓
: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save ESC: Exit
F12: Print Screen
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
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
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.