1. FEATURES

CPU	Intel P54C/CT/CS/CQS, P55C
Speed	75/90/100/120/133/150/166/180 MHz CPU 25/30/33 MHz PCI bus I/O clock 8MHz for ISA bus
DRAM Memory	72-pin 4/8/16/32 Mb SIMM 8 ~ 128Mb on board Supports EDO & fast page
Cache Memory	SRAM 256~512 Kb, write back
BUS Slots	4 16-bit ISA & 3 PCI bus
PCI Enhanced IDE on Board	Supports 4 IDE Hard Drives Supports Mode 4 for High Performance HDs Supports LBA Mode
ISA I/O on Board	One Multi-mode Parallel Port Standard & Bi-directional, Enhanced (EPP), Extended (ECP) Two Serial Port One Game Port Supports 360 Kb, 720 Kb, 1.2 Mb, 1.44 Mb Floppy Drives
Dimension	22 Cm x 25.5 Cm
BIOS	Award Legal
Operating System	MS/DOS, OS/2, Windows 3.x, Windows 95, Windows NT, Novell, UNIX, SCO UNIX

2. JUMPER SETTING

JP1,2	EPP DMA Channel Select
	1-3 Closed	Channel 1
	2-4 Closed	Channel 3
JP4	CMOS Function Select
	Open	To maintain setup data (Default)
	Closed	To clear setup memory
JP5	Flash ROM Type Voltage Select
	1-2 Closed	+5 V
	2-3 Closed	+12 V
	All Open	EPROM used
JP8	Secondary IRQ Select
	1-2 Closed	IRQ 15
	2-3 Closed	IRQ Thru PCI
JP9	Primary IDE IRQ Select
	Closed	IRQ 14
JP11	Green Function Select
	Open	Normal
	Closed	Suspend Mode
JP14	CPU VOLTAGE SELECT
	Open	3.5 V
	Closed	3.4 V
JP21	ISA Clock Select
	1-2 Closed	PCI Clock /3 (for 75 MHz)
	2-3 Closed	PCI Clock /4 (for 90/100/120/133)
JP22	Engineer Test Pin
	2-3 Closed	Default
JP27*	CPU Voltage Select
	1-2 Closed	3.4 V (Standard & VR)
	2-3 Closed	3.5 V (VRE)

*V.2 or later

Cache Size Select

Jumper	256 Kb	512 Kb	None
JP10	2-3 Closed	1-2 Closed	2-3 Closed
JP12	1-2 Closed	2-3 Closed	1-2 Closed
JP13	2-3 Closed	1-2 Closed	1-2 Closed

3. CPU JUMPER SETTING

CPU Type	JP20*	Remark
Intel P54C/CQS/CS/CT	1-2, 3-4 Closed	3.3 V
Intel P55C/CT	All Open	3.3/2.5 V

*V.2 or later

CPU Speed	JP6	JP7	JP16	JP15
75* MHz	OPEN	OPEN	OPEN	OPEN
90*	OPEN	CLOSED	OPEN	OPEN
100*	CLOSED	CLOSED	OPEN	OPEN
120*	OPEN	CLOSED	CLOSED	OPEN
133*	CLOSED	CLOSED	CLOSED	OPEN
150	OPEN	CLOSED	CLOSED	CLOSED
166	CLOSED	CLOSED	CLOSED	CLOSED
180	OPEN	CLOSED	OPEN	CLOSED

*V.1 & 2 have JP6, 7, 16 and support up to 133 MHz.

4. CONNECTOR
J8

Pin No	Assignment	Pin No	Assignment
1	Speaker	10	Turbo LED+
2	NC	11	Turbo LED-
3	Ground	12	Reset Control
4	+5 Vdc	13	Ground
5	Power LED+	14	Turbo Control
6	NC	15	Ground
7	Ground	16	NC
8	Key Lock	17	+5 Vdc
9	Ground	18	Ground

Pin No	JP19 Fan Connector	JP17 HDD LED
1	Ground	-
2	Ground	+
3	+12 V	N/A
4	+12 V	N/A
5	Ground	N/A
6	Ground	N/A