Asus Crosshair II Formula - Manual (Page 88)

4-16 Chapter 4: BIOS setup
Memory DCT Mode �Unganged Mode��
This item appears only when you use an AM2+ CPU.
Configuration options: [Ganged Mode] [Unganged Mode]
Memory Hole Remapping �Enabled��
Allows you to enable or disable the remapping of the overlapped PCI memory
above the total physical memory. Enable this option only when you install 64-
bit operating system. Configuration options: [Disabled] [�nabled] Configuration options: [Disabled] [�nabled] �Disabled�� �Enabled��
AI Clock Skew �Auto��
Allows you to adjust the DRAM clock skew for both Channel A and B.
Configuration options: [Auto] [Manual] �Auto�� �Manual��
The following two items become configurable when you set AI Clock Skew to
� Manual ��.
Channel A/Channel B Clock Skew [Normal]
Configuration options: [Advance 900ps] [Advance 750ps] [Advance 600ps] �Advance 750ps�� �Advance 600ps��
�Advance 450ps�� �Advance 300ps�� �Advance 150ps�� �Normal�� �Delay 150ps��
�Delay 300ps�� �Delay 450ps�� �Delay 600ps�� �Delay 750ps�� �Delay 900ps��
Advance Memory Settings
CPU On-die Termination [Auto]
Configuration options: [Auto] [300 ohm] [150 ohm] [75 ohm]
Trc [Auto]
Configuration options: [Auto] [11] [12]–[25] [26]
Twr [Auto]
Configuration options: [Auto] [3] [4] [5] [6]
Trrd [Auto]
Configuration options: [Auto] [2] [3] [4] [5]
Trwt [Auto]
Configuration options: [Auto] [2] [3]–[8] [9]
Twtr [Auto]
Configuration options: [Auto] [1] [2] [3]
Trtp [Auto]
Configuration options: [Auto] [2/4] [3/5]
Twrrd [Auto]
Configuration options: [Auto] [0] [1] [2] [3]
Twrwr [Auto]
Configuration options: [Auto] [1] [2] [3]
Trdrd [Auto]
Configuration options: [Auto] [2] [3] [4] [5]