Specifications
Table Of Contents
- Notices
- Safety information
- About this guide
- M4A88T-M LE specifications summary
- Chapter 1
- Product introduction
- Chapter 2
- BIOS information
- 2.1 Managing and updating your BIOS
- 2.2 BIOS setup program
- 2.3 Main menu
- 2.4 Ai Tweaker menu
- 2.4.1 CPU OverClocking
- 2.4.2 CPU Ratio
- 2.4.3 DRAM Frequency
- 2.4.4 CPU/NB Frequency
- 2.4.5 HT Link Speed
- 2.4.6 GPU OverClocking
- 2.4.7 DRAM Timing Configuration
- 2.4.8 DRAM Driving Configuration
- 2.4.9 CPU & NB Voltage Mode
- 2.4.10 CPU VDDA Voltage
- 2.4.11 DRAM Voltage
- 2.4.12 HT Voltage
- 2.4.13 NB Voltage
- 2.4.14 NB 1.8V Voltage
- 2.4.15 SB Voltage
- 2.4.16 CPU Load-Line Calibration
- 2.4.17 CPU/NB Load-Line Calibration
- 2.4.18 PCI/PCIe CLK Status
- 2.5 Advanced menu
- 2.6 Power menu
- 2.7 Boot menu
- 2.8 Tools menu
- 2.9 Exit menu

2-16 Chapter 2: BIOS information
2.4.7 DRAM Timing Conguration
The conguration options for some of the following items vary depending on the DIMMs
you install on the motherboard.
DRAM CAS# Latency [Auto]
Conguration options: [Auto] [4 CLK] ~ [12 CLK]
DRAM RAS# to CAS# Delay [Auto]
Conguration options: [Auto] [5 CLK] ~ [12 CLK]
DRAM RAS# PRE Time [Auto]
Conguration options: [Auto] [5 CLK] ~ [12 CLK]
DRAM RAS# ACT Time [Auto]
Conguration options: [Auto] [15 CLK] ~ [30 CLK]
DRAM READ to PRE Time [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM Row Cycle Time [Auto]
Conguration options: [Auto] [11 CLK] ~ [41 CLK]
DRAM WRITE Recovery Time [Auto]
Conguration options: [Auto] [5 CLK] [6 CLK] [7 CLK] [8 CLK] [10 CLK] [12 CLK]
DRAM RAS# to RAS# Delay [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM READ to WRITE Delay [Auto]
Conguration options: [Auto] [3 CLK] ~ [17 CLK]
DRAM WRITE to READ Delay(DD) [Auto]
Conguration options: [Auto] [2 CLK] ~ [10 CLK]
DRAM WRITE to READ Delay(SD) [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM WRITE to WRITE Timing [Auto]
Conguration options: [Auto] [3 CLK] ~ [10 CLK]
DRAM READ to READ Timing [Auto]
Conguration options: [Auto] [3 CLK] ~ [10 CLK]
DRAM REF Cycle Time [Auto]
Conguration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]
DRAM Refresh Rate [Auto]
Conguration options: [Auto] [Every 7.8ms] [Every 3.9ms]
DRAM Command Rate [Auto]
Conguration options: [Auto] [1T] [2T]