Asus P I-P65UP5 C-PKND User Manual - Page 14

JP2 JP3 JP2 JP3 III. INSTALLATION (Jumpers) III. INSTALLATION 3. CPU External (BUS) Frequency Selection (JP2, JP3) These jumpers tells the clock generator what frequency to send to the CPU. These allow the selection of the CPU's External frequency (or BUS Clock). The BUS Clock times the BUS Ratio equals the CPU's Internal frequency (the advertised CPU speed). BUS Freq. JP3 JP2 66MHz [1-2] [2-3] 60MHz [2-3] [1-2] 1 2 3 66MHz 1 2 3 60MHz CPU External Clock (BUS) Frequency Selection Intel Pentium Pro (P6) Processor: CPU Internal 200MHz 180MHz 166MHz 150MHz BUS (CPU Card BUS Ratio) Ext. Ratio JP13 JP14 JP15 JP16 Freq. 3.0x [ON] [ON] [OFF] [ON] 66MHz 3.0x [ON] [ON] [OFF] [ON] 60MHz 2.5x [ON] [OFF] [ON] [ON] 66MHz 2.5x [ON] [OFF] [ON] [ON] 60MHz (Chipset Freq on CPU Card) JP6 JP7 [ON] [OFF] [OFF] [ON] [ON] [OFF] [OFF] [ON] (CPU Ext. Freq on Baseboard) JP3 JP2 [1-2] [2-3] [2-3] [1-2] [1-2] [2-3] [2-3] [1-2] Intel Pentium (P5) Processor: CPU Internal 200MHz 166MHz 150MHz 133MHz 120MHz 100MHz 90MHz 75MHz BUS Ratio 3.0x 2.5x 2.5x 2.0x 2.0x 1.5x 1.5x 1.5x (CPU Card BUS Ratio) Ext. JP15 JP16 Freq. [ON] [OFF] 66MHz [ON] [ON] 66MHz [ON] [ON] 60MHz [OFF] [ON] 66MHz [OFF] [ON] 60MHz [OFF] [OFF] 66MHz [OFF] [OFF] 60MHz [OFF] [OFF] 50MHz (CPU Ext. Freq on Baseboard) JP3 JP2 [1-2] [2-3] [1-2] [2-3] [2-3] [1-2] [1-2] [2-3] [2-3] [1-2] [1-2] [2-3] [2-3] [1-2] [1-2] [1-2] 8 ASUS P/I-P65UP5 User's Manual