Asus X900-PI P3C-E User Manual - Page 20
ASUS P3C-E User's Manual, CPU External Frequency Setting DSW-1, -2, -3, -4, -5, CPU Speed, CPU Core:
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3. HARDWARE SETUP 6) CPU External Frequency Setting (DSW-1, -2, -3, -4, -5) This option tells the clock generator what frequency to send to the CPU and the PCI bus. This allows the selection of the CPU's External frequency. IMPORTANT: 1. In JumperFree mode, all dip switches (DSW-1-DSW-5) must be set to OFF. 2. When JumperFree mode is enabled, use BIOS setup in place of these switches (see CPU Speed in Advanced Menu in BIOS Setup). NOTE: Only selected switches are illustrated. For a complete frequency listing, see next page. DSW (SW2) ON 12345 ON 12345 ON 12345 CPU → 100MHz PCI → 33.6MHz 103MHz 34.3MHz 105MHz 34.9MHz P3C-E ON 12345 ON 12345 ON 12345 P3C-E CPU External Clock (BUS) Frequency Selection CPU →133.9MHz PCI → 33.4MHz 138MHz (JumperFree Mode) 34.5MHz NOTE: If your processor does not have a locked Frequency Multiple, you must use CPU Core:Bus Freq. Multiple in 4.4 Advanced Menu of the BIOS setup to set the Frequency Multiple. If the Frequency Multiple is locked, setting the Frequency Multiple in BIOS setup will have no effect. 3. H/W SETUP Motherboard Settings 20 ASUS P3C-E User's Manual