Asus Motherboard P5ND2 - Manual (Page 69)

ASUS P5ND2 2-23
System Clock Mode [CPU Precision Tweaker]
Sets the system clock mode. The default setting [Auto], automatically
sets the FSB and memory speeds. Set to [CPU Precision Tweaker]
if you want to set the FSB at MHz increment with the memory
frequency adjusting accordingly, setting to [CPU/MEM manual-mode]
allows you to manually input the CPU and memory frequency. When
set to [MEM Precision Tweaker], you can manually set the memory
frequency.
Configuration options: [Auto] [CPU Precision Tweaker] [CPU/MEM
manual-mode] [MEM Precision Tweaker]
New FSB Speed (QDR) [800]
Allows you to key-in new FSB speed. The configuration options vary
depending on the CPU installed.
The New FSB Speed (QDR) item is user-configurable only when the
System Clock Mode is set to [CPU Precision Tweaker] or
[CPU/MEM manual-mode].
Current FSB Speed (QDR)
Displays the current FSB speed.
Target FSB Speed (QDR)
Displays the target FSB speed.
New MEM Speed (DDR)
Allows you to key-in new memory speed. The configuration options
vary depending on the DDR2 memory installed.
The New MEM Speed (QDR) item is user-configurable only when the
System Clock Mode is set to [MEM Precision Tweaker] or
[CPU/MEM manual-mode].
Current MEM Speed (QDR)
Displays the current MEM speed.
Target MEM Speed (QDR)
Displays the target MEM speed.