Asus CROSSHAIR IV EXTREME, User Manual, Page: 89 / 172

ROG Crosshair IV Formula 3-13
3.3.9 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 <Enter> 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 <Enter> key.
3.3.10 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 0.006250V to
0.700000V with a 0.006250V interval.