Asus MOTHERBOARD P5N64 WS - Manual (Page 86)

4-18 Chapter 4: BIOS setup
FSB/CPU External Frequency Synchronization
Front Side Bus FSB 1600 FSB 1333 FSB 1066 FSB 800
CPU External Frequency 400 MHz 333 MHz 266 MHz 200 MHz
FSB Clock (Mhz) [1333]
This sub-item appears only when you set the System Clock Mode item to
[Linked] or [Unlinked] and allows you to manually enter the desired FSB clock
in MHz. Use the <+> and <-> keys to adjust the value. You can also type the
desired value using the numeric keypad. The values range from 400 to 2500.
Refer to the table below for the correct FSB and CPU external frequency
settings.
Memory Clock (Mhz) [800]
This sub-item appears only when you set the System Clock Mode item to
[Unlinked] and allows you to manually enter the desired memory clock in
MHz. Use the <+> and <-> keys to adjust the value. You can also type the
desired value using the numeric keypad. The values range from 400 to 3000.
PCIE Frequency (MHz) [100]
Allows you to set the PCI Express frequency. The values range from 100 to 200.
Current CAS-RCD-RP-RAS-CMD 6-6-6-15-1T
Current RRD-RC-WR-WTR-REF 4-21-7-13-7.6uS
These items shows the current memory timings detected by the BIOS and may
vary depending on your settings of the Memory Timings item.
Memory Timings [Auto]
Allows automatic or manual adjustments of the memory timings.
Configuration options: [Auto] [Manual]
The following sub-items appear only when you set the Memory Timings item
to [Manual].
tCL (CAS Latency) [Auto]
Configuration options: [Auto] [5] [6] - [17] [18]
tRCD [Auto]
Configuration options: [Auto] [1] [2] - [14] [15]
tRP [Auto]
Configuration options: [Auto] [1] [2] - [14] [15]
tRAS [Auto]
Configuration options: [Auto] [1] [2] - [62] [63]