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9 dram driving configuration, 10 cpu & nb voltage mode [offset – Asus M4A87TD EVO User Manual

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2-14

ASUS M4A87TD EVO

DRAM READ to READ Timing [Auto]

Configuration options: [Auto] [3 CLK] – [10 CLK]

DRAM REF Cycle Time [Auto]

Configuration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]

110ns] [160ns] [300ns] [350ns]

] [160ns] [300ns] [350ns]

[160ns] [300ns] [350ns]

DRAM Refresh Rate [Auto]

Configuration options: [Auto] [Every 7.8ms] [Every 3.9ms]

DRAM Command Rate [Auto]

Configuration options: [Auto] [1T] [2T]

2.5.9

DRAM Driving Configuration

The configuration options for some of the following items vary depending on the DIMMs

you install on the motherboard.

CKE drive strength [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

CS/ODT drive strength [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

ADDR/CMD drive strength [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

MEMCLK drive strength [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

Data drive strength [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DQS drive strength [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

Processor ODT [Auto]

Configuration options: [Auto] [240 ohms +/- 20%] [120 ohms +/- 20%] [60 ohms +/- 20%]

Some of the following items are adjusted by typing the desired values using the numeric

keypad and press the key. You can also use the <+> and <-> keys to adjust the

value. To restore the default setting, type [auto] using the keyboard and press the

key.

2.5.10

CPU & NB Voltage Mode [Offset]

Allows you to set the CPU & CPU/NB Voltage Mode. Different sub-items appear according to

the CPU & NB Voltage Mode item setting. Configuration options: [Offset] [Manual]

CPU Offset Voltage [Auto]
This item appears only when you set the CPU & NB Voltage Mode item to [Offset]

and allows you to set the CPU Offset voltage. The values range from 0.003125V to

0.700000V with a 0.003125V interval.