CPU type		PCI/E-P54NP4 jumper setting
CPU speed	CPU Vcc	Single CPU	Dual CPU	External clock setting	Internal clock setting	Power card 1.1	Power card 1.2
75Mhz	STD 3.4V	JP14 2-3 short	JP14 1-2 short	50Mhz Cystal	JP11 open 1.5x clk	Support by default	JP1 2-3 short for 3.4V
90Mhz	STD 3.4V	JP14 2-3 short	JP14 1-2 short	60Mhz Cystal	JP11 open 1.5x clk	Support by default	JP1 2-3 short for 3.4V
100Mhz	STD 3.4V	JP14 2-3 short	JP14 1-2 short	66.667Mhz Cystal	JP11 open 1.5x clk	Support by default	JP1 2-3 short for 3.4V
	VRE 3.5V	JP14 2-3 short	JP14 1-2 short	66.667Mhz Cystal	JP11 open 1.5x clk	Support by default	JP1 1-2 short for 3.5V
120Mhz	VRE 3.5V	JP14 2-3 short	JP14 1-2 short	60Mhz Cystal	JP11 short 2x clk	Support by default	JP1 1-2 short for 3.5V
133Mhz	STD 3.4V	JP14 2-3 short	JP14 1-2 short	66.667Mhz Cystal	JP11 short 2x clk	Support by default	JP1 2-3 short for 3.4V
	VRE 3.5V	JP14 2-3 short	JP14 1-2 short	66.667Mhz Cystal	JP11 short 2x clk	Support by default	JP1 1-2 short for 3.5V
150Mhz	STD 3.4	Do not support
166Mhz	VRE 3.5	Do not support
180Mhz	STD 3.4	Do not support
200Mhz	VRE 3.5	Do not support
Pentium OverDrive	N/A	Do not support

Jumper JP20 for CPU L1 cache write back or write through
JP20 open for Write Back - Defaults
JP20 short for Write Through