Asus P5L MX P5L-MX English Edition User's Manual - Page 65

The following item appears only when you set the AI Overclocking item to [Manual]. CPU Frequency [200] Displays the frequency sent by the clock generator to the system bus and PCI bus. The value of this item is auto-detected by the BIOS. Use the and keys to adjust the CPU frequency. You can also type the desired CPU frequency using the numeric keypad. The values range from 100 to 450. Refer to the table below for the correct Front Side Bus and CPU External Frequency settings. FSB/CPU External Frequency Synchronization Front Side Bus FSB 1066 FSB 800 FSB 533 CPU External Frequency 266 MHz 200 MHz 133 MHz DRAM Frequency [Auto] Allows you to set the DDR2 operating frequency. Configuration options: [Auto] [DDR2-400MHz] [DDR2-533MHz] [DDR2-600MHz] [DDR2‑667MHz] [DDR2‑800MHz] Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting. PCI Express Frequency [Auto] Allows you to set the PCI Express frequency. This item is set to [Auto] by default. Configuration options: [Auto] [90]...[150] CPU Clock Spread Spectrum [Enabled] Allows you to enable or disable the CPU clock spread spectrum. Configuration options: [Enabled] [Disabled] PCIE Clock Spread Spectrum [Disabled] Allows you to enable or disable the PCIE clock spread spectrum. Configuration options: [Enabled] [Disabled] Memory Voltage [Auto] Allows you to select the DDR2 reference voltage. Configuration options: [Auto] [1.80V] [1.90V] [1.95V] [2.00V] Refer to the DDR2 documentation before adjusting the memory voltage. Setting a very high memory voltage may damage the memory module(s)! ASUS P5L-MX 2-19