Asus CROSSHAIR IV EXTREME, User Manual, Page: 90 / 172

3-14 Chapter 3: BIOS setup
CPU/NB 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/NB Offset voltage. The values range from
0.006250V to 0.700000V with a 0.006250V interval.
CPU Voltage [Auto]
This item appears only when you set the CPU & NB Voltage Mode item to
[Manual] and allows you to set a fixed CPU voltage.
CPU/NB Voltage [Auto]
This item appears only when you set the CPU & NB Voltage Mode item to
[Manual] and allows you to set a fixed CPU/NB voltage.
3.3.11 CPU VDDA Voltage [Auto]
Allows you to set the CPU VDDA voltage. The values range from 2.20000V to
3.18750V with a 0.01250V interval.
3.3.12 DRAM Voltage [Auto]
Allows you to set the DRAM voltage. The values range from 1.20000V to 2.90000V
with a 0.01250V interval.
3.3.13 HT Voltage [Auto]
Allows you to set the HyperTransport voltage. The values range from 0.80000V to
2.00000V with a 0.01250V interval.
3.3.14 NB Voltage [Auto]
Allows you to set the Northbridge voltage. The values range from 0.80000V to
2.00000V with a 0.01250V interval.
3.3.15 NB 1.8V Voltage [Auto]
Allows you to set the Northbridge 1.8V voltage. The values range from 1.802000V
to 3.007750V with a 0.013250V interval.
3.3.16 SB Voltage [Auto]
Allows you to set the Southbridge voltage. The values range from 1.113000V to
1.802000V with a 0.013250V interval.
3.3.17 VDDR Voltage [Auto]
Allows you to set the VDDR voltage. The values range from 1.205750V to
1.802000V with a 0.013250V interval.