Output Features:

• 3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz

achievable through I2

C)

• 9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz

achievable through I2

C)

• 8 PCI (3.3 V) @33.3MHz

• 2 IOAPIC (2.5V) @ 33.3MHz

• 2 Hublink clocks (3.3 V) @ 66.6MHz

• 2 USB (3.3V) @ 48MHz ( Non spread spectrum)

• 1 REF (3.3V) @ 14.318MHz

Features:

• Supports spread spectrum modulation,

down spread 0 to -0.5 and ± 0.25 center spread.

• I2C support for power management

• Efficient power management scheme through PD#

• Uses external 14.138MHz crystal

• Alternate frequency selections available through I2Ccontrol.