Device Type	Mainboard
Processor	CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/ AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200/233MHz
Chip Set	SIS
Video Chip Set	SIS
Maximum Onboard Memory	128MB (EDO & SDRAM supported) Unified Memory Architecture (UMA)
Cache	512KB
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA port, IR connector, USB connector, ATX power connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Serial port 1	CN7
IDE interface LED	CN1/pins 2 & 3	IR connector	IR1
Green PC connector	CN1/pins 4 & 5	PS/2 mouse interface	J1
Reset switch	CN1/pins 9 & 10	VGA port	J5
Power LED & keylock	CN1/pins 11 - 15	Soft off power supply	J8
Speaker	CN1/pins 17 - 20	CPU fan power	J9
Serial port 2	CN2	ATX power switch	JP20/pins 1 & 2
Floppy drive interface	CN3	SMI switch	JP20/pins 3 & 4
Parallel port	CN4	ACPI LED	JP20/pins 5 & 6
IDE interface 1	CN5	32-bit PCI slots	PC1 – PC3
IDE interface 2	CN6	USB connector	USB

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	JP9	Unidentified
»	Factory configured - do not alter	JP13	Unidentified
»	CMOS memory normal operation	JP17	Pins 1 & 2 closed
	CMOS memory clear	JP17	Pins 2 & 3 closed

SIMM CONFIGURATION
Size	Bank 2
8MB	(2) 1M x 36
16MB	(2) 2M x 36
32MB	(2) 4M x 36
64MB	(2) 8M x 36
128MB	(2) 16M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64

DIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64
Note: Board accepts SDRAM memory.

SIMM CONFIGURATION
Setting	JP11	JP12
SIMM bank set as bank 2	Pins 1 & 2 closed	Pins 2 & 3 closed
SIMM bank set as bank 0	Pins 2 & 3 closed	Pins 1 & 2 closed

DIMM VOLTAGE CONFIGURATION
Voltage		JP4	JP5
»	3.3v	Pins 1 & 2 closed	Pins 1 & 2 closed
	5v	Pins 2 & 3 closed	Pins 2 & 3 closed

CACHE CONFIGURATION
Size	Bank 0
512KB	(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
120MHz	50MHz	2x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	2 & 3
133MHz	55MHz	2x	1 & 2	2 & 3	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
166MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
120MHz	50MHz	2x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	2 & 3
133MHz	55MHz	2x	1 & 2	2 & 3	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
166MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
120MHz	50MHz	2x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	2 & 3
133MHz	55MHz	2x	1 & 2	2 & 3	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
166MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86L)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
120MHz	50MHz	2x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	2 & 3
133MHz	55MHz	2x	1 & 2	2 & 3	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
166MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
166MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
200MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
233MHz	75MHz	2.5x	1 & 2	2 & 3	1 & 2	N/A	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
166MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
200MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
233MHz	75MHz	2.5x	1 & 2	2 & 3	1 & 2	N/A	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
75MHz	50MHz	1.5x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	1 & 2
90MHz	60MHz	1.5x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	1 & 2
100MHz	66MHz	1.5x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	1 & 2
120MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
133MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2.5x	2 & 3	2 & 3	1 & 2	N/A	2 & 3	2 & 3
166MHz	66MHz	2.5x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
166MHz	66MHz	2.5x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	2 & 3
200MHz	66MHz	3x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	1 & 2
233MHz	66MHz	3.5x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
75MHz	50MHz	1.5x	2 & 3	2 & 3	2 & 3	N/A	1 & 2	1 & 2
90MHz	60MHz	1.5x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	1 & 2
100MHz	66MHz	1.5x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	1 & 2
120MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	N/A	1 & 2	2 & 3
133MHz	66MHz	2x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	2 & 3
150MHz	60MHz	2.5x	2 & 3	2 & 3	1 & 2	N/A	2 & 3	2 & 3
166MHz	66MHz	2.5x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	2 & 3
180MHz	60MHz	3x	2 & 3	2 & 3	1 & 2	N/A	2 & 3	1 & 2
200MHz	66MHz	3x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP6	JP7	JP8	JP14	JP15	JP16
166MHz	66MHz	2.5x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	2 & 3
200MHz	66MHz	3x	2 & 3	1 & 2	2 & 3	N/A	2 & 3	1 & 2
233MHz	66MHz	3.5x	2 & 3	1 & 2	2 & 3	N/A	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage		JP3
	3.3v	Pins 1 & 2 closed
»	3.525v	Pins 3 & 4 closed

CPU VOLTAGE SELECTION (DUAL)
V core	JP21/pins 1 & 2	JP21/pins 3 & 4	JP21/pins 5 & 6	JP21/pins 7 & 8	JP21/pins 9 & 10
1.8v	Closed	Closed	Open	Closed	Open
2.0v	Closed	Closed	Closed	Closed	Open
2.2v	Open	Open	Open	Closed	Open
2.5v	Open	Open	Closed	Open	Closed
2.8v	Open	Closed	Open	Open	Open
2.9v	Open	Closed	Open	Open	Closed
3.1v	Open	Closed	Open	Closed	Closed
3.2v	Open	Closed	Closed	Open	Open
3.3v	Open	Closed	Closed	Open	Closed
3.5v	Open	Closed	Closed	Closed	Closed

ON BOARD VIDEO SELECTION
Setting	JP1	JP2	JP10
Enabled	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
Disabled	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed