Asus P5L 1394 Motherboard Installation Guide - Page 79
PCI Clock Synchronization Mode [Auto]
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The following item appears only when you set the AI Overclocking item to [Manual]. CPU Frequency [XXX] 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 DDR operating frequency. The available configuration options vary depending on the Front Side Bus settings. Refer to the table below for details. Available DRAM frequency options in various FSB settings FSB FSB 1066 FSB 800 FSB 533 Configuration options A uto DDR2- DDR2- DDR2- 400 533 667 • • • • • • • • • • • * Provided for overclocking purpose only. 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] [91]...[150] PCI Clock Synchronization Mode [Auto] Allows you to synchronize the PCI frequency with the PCI Express or CPU frequency. Configuration options: [33 MHz] [Auto] ASUS P5L 1394 4-21