Asus P3V133 P3V133 User Manual - Page 18
ASUS P3V133 User's Manual, CPU:PCI Bus Frequency Multiple Selection MS0, MS1, CPU Bus Frequency
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 4. CPU Bus Frequency Selection (FS0, FS1, FS2, FS3) This option tells the clock generator what frequency to send to the CPU, DRAM, and motherboard chipset. This allows the selection of the CPU's External frequency (or BUS Clock). The BUS Clock multiplied by the BUS Multiple equals the CPU's Internal frequency (the advertised CPU speed). P3V133 R P3V133 CPU External Frequency Selection 123 FS3 123 123 123 123 123 FS2 FS1 FS0 CPU PCI 66.8MHz 75.0MHz 83.30MHz 100.30MHz 103.00MHz 105MHz 33.4MHz 37.5MHz 41.65MHz 33.43MHz 34.33MHz 35MHz 123 FS3 123 123 123 123 123 FS2 FS1 FS0 CPU 110.00MHz112.00MHz115.00MHz 120MHz 124MHz 124.00MHz PCI 36.67MHz 37.33MHz 38.33MHz 40MHz 31MHz 41.33MHz 123 FS3 123 123 123 FS2 FS1 FS0 CPU 133.0MHz 133.00MHz 140MHz 150.0MHz PCI 33.3MHz 44.33MHz 35MHz 37.5MHz 5. CPU:PCI Bus Frequency Multiple Selection (MS0, MS1) This option sets the frequency ratio between the CPU bus frequency and the PCI bus frequency. The default sets the CPU bus frequency to be twice of the PCI bus frequency. P3V133 R 123 MS0 MS1 CPU Bus Frequency =PCI Bus Frequency X2 (Default) 123 MS0 MS1 CPU Bus Frequency =PCI Bus Frequency X4 123 MS0 MS1 CPU Bus Frequency =PCI Bus Frequency X3 123 MS0 MS1 (Reserved) P3V133 CPU:PCI Frequency Multiple Selection IMPORTANT: The CPU:PCI Bus Frequency Multiple must be set in conjunction with the CPU Bus Frequency. Otherwise, your system will not start. For example, if your CPU's Bus Frequency is 66MHz, the CPU:PCI Bus Frequency Multiple should be 2-3 (MS0), 2-3 (MS1), unless otherwise indicated. See table on opposite page for the combinations. 18 ASUS P3V133 User's Manual