Device Type	Mainboard
Processor	CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed	75/90/100/120/133/150/166/200/233/266MHz
Chip Set	AMD 640
Maximum Onboard Memory	512MB (EDO & SDRAM supported)
Cache	512/1024KB
BIOS	Award
Dimensions	280mm x 220mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), IR connectors (2), VRM connector, USB connector, USB connectors (2), ATX power connector, AGP slot

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	IDE interface 2	CN5
Speaker	C1	IDE interface 1	CN6
Green PC LED	C2	PS/2 mouse interface	CN7
Power LED & keylock	C3	PS/2 mouse port	CN8
Reset switch	C4	Chassis fan power	FAN
IDE interface LED	C5	IR connector	FIR
Soft off power supply	C7	IR connector	IR1
Serial port 2	CN1	32-bit PCI slots	PC1 – PC4
Serial port 1	CN2	USB connector 1	USB1
Floppy drive interface	CN3	USB connector 2	USB2
Parallel port	CN4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	C6	Unidentified
	Power supply select AT	J1	Closed
	Power supply select ATX	J1	Open
»	CMOS memory normal operation	JBAT	Pins 1 & 2 closed
	CMOS memory clear	JBAT	Pins 2 & 3 closed
»	Factory configured - do not alter	JP4	Unidentified
	Flash BIOS voltage select 12v	JROM	Pins 1 & 2 closed
	Flash BIOS voltage select 5v	JROM	Pins 2 & 3 closed
»	Factory configured - do not alter	JV1	Unidentified

SIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
128MB	(2) 16M x 36	None
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36
256MB	(2) 32M x 36	None
264MB	(2) 32M x 36	(2) 1M x 36
272MB	(2) 32M x 36	(2) 2M x 36
288MB	(2) 32M x 36	(2) 4M x 36
320MB	(2) 32M x 36	(2) 8M x 36
384MB	(2) 32M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size	Bank 2	Bank 3	Bank 4
8MB	(1) 1M x 64	None	None
16MB	(1) 1M x 64	(1) 1M x 64	None
16MB	(1) 2M x 64	None	None
24MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64
32MB	(1) 2M x 64	(1) 2M x 64	None
32MB	(1) 4M x 64	None	None
48MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
64MB	(1) 4M x 64	(1) 4M x 64	None
64MB	(1) 8M x 64	None	None
96MB	(1) 4M x 64	(1) 4M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64	None
128MB	(1) 16M x 64	None	None

DIMM CONFIGURATION (CON’T)
Size	Bank 2	Bank 3	Bank 4
164MB	(1) 16M x 64	(1) 1M x 64	None
144MB	(1) 16M x 64	(1) 1M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64	None
160MB	(1) 16M x 64	(1) 2M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64	None
192MB	(1) 16M x 64	(1) 4M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64	None
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 8M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64	None
256MB	(1) 32M x 64	None	None
264MB	(1) 32M x 64	(1) 1M x 64	None
272MB	(1) 32M x 64	(1) 1M x 64	(1) 1M x 64
272MB	(1) 32M x 64	(1) 2M x 64	None
288MB	(1) 32M x 64	(1) 2M x 64	(1) 2M x 64
288MB	(1) 32M x 64	(1) 4M x 64	None
320MB	(1) 32M x 64	(1) 4M x 64	(1) 4M x 64
320MB	(1) 32M x 64	(1) 8M x 64	None
384MB	(1) 32M x 64	(1) 8M x 64	(1) 8M x 64
384MB	(1) 32M x 64	(1) 16M x 64	None
384MB	(1) 16M x 64	(1) 16M x 64	(1) 16M x 64
512MB	(1) 32M x 64	(1) 16M x 64	(1) 16M x 64
Note: Board accepts SDRAM memory.

CACHE CONFIGURATION
Size	Bank 0
512KB	(4) 32K x 32
1MB	(4) 64K x 32

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
120MHz	50MHz	2x	1 & 2, 3 & 4, 5 & 6	1 & 2	1 & 2	2 & 3
133MHz	55MHz	2x	3 & 4, 5 & 6	1 & 2	1 & 2	2 & 3
150MHz	60MHz	2x	5 & 6	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2x	Open	1 & 2	1 & 2	2 & 3
200MHz	75MHz	2x	3 & 4	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
120MHz	50MHz	2x	1 & 2, 3 & 4, 5 & 6	1 & 2	1 & 2	2 & 3
133MHz	55MHz	2x	3 & 4, 5 & 6	1 & 2	1 & 2	2 & 3
150MHz	60MHz	2x	5 & 6	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2x	Open	1 & 2	1 & 2	2 & 3
200MHz	75MHz	2x	3 & 4	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
150MHz	60MHz	2x	5 & 6	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2x	Open	1 & 2	1 & 2	2 & 3
200MHz	75MHz	2x	3 & 4	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86L)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
150MHz	60MHz	2x	5 & 6	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2x	Open	1 & 2	1 & 2	2 & 3
200MHz	75MHz	2x	3 & 4	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
166MHz	60MHz	2.5x	5 & 6	1 & 2	2 & 3	2 & 3
200MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
233MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
266MHz	66MHz	3.5x	Open	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
166MHz	60MHz	2.5x	5 & 6	1 & 2	2 & 3	2 & 3
200MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
233MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
266MHz	66MHz	3.5x	Open	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
75MHz	50MHz	1.5x	1 & 2, 3 & 4, 5 & 6	1 & 2	1 & 2	1 & 2
90MHz	60MHz	1.5x	5 & 6	1 & 2	1 & 2	1 & 2
100MHz	66MHz	1.5x	Open	1 & 2	1 & 2	1 & 2
120MHz	60MHz	1.5x	5 & 6	1 & 2	1 & 2	1 & 2
133MHz	66MHz	1.5x	Open	1 & 2	1 & 2	1 & 2
166MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
200MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
166MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
200MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
233MHz	66MHz	3.5x	Open	1 & 2	1 & 2	1 & 2
266MHz	66MHz	4x	Open	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
75MHz	50MHz	1.5x	1 & 2, 3 & 4, 5 & 6	1 & 2	1 & 2	1 & 2
90MHz	60MHz	1.5x	5 & 6	1 & 2	1 & 2	1 & 2
100MHz	66MHz	1.5x	Open	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	5 & 6	1 & 2	1 & 2	2 & 3
133MHz	66MHz	2x	Open	1 & 2	1 & 2	2 & 3
150MHz	60MHz	2.5x	5 & 6	1 & 2	2 & 3	2 & 3
166MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
200MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JC1	JP1	JP2	JP3
166MHz	66MHz	2.5x	Open	1 & 2	2 & 3	2 & 3
200MHz	66MHz	3x	Open	1 & 2	2 & 3	1 & 2
233MHz	66MHz	3.5x	Open	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JPW1	JV2	JV3	JV4
3.3v	1 & 2, 5 & 6, 7 & 8	3 & 4	1 & 2, 3 & 4, 5 & 6	Open
3.52v	1 & 2, 3 & 4, 5 & 6, 7 & 8	3 & 4	1 & 2, 3 & 4, 5 & 6	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JPW1	JV2	JV3	JV4
3.3v	2.1v	1 & 2	1 & 2	Open	1 & 2, 3 & 4, 5 & 6
3.3v	2.8v	7 & 8	1 & 2	Open	1 & 2, 3 & 4, 5 & 6
3.3v	2.9v	1 & 2, 7 & 8	1 & 2	Open	1 & 2, 3 & 4, 5 & 6
3.3v	3.2v	5 & 6, 7 & 8	1 & 2	Open	1 & 2, 3 & 4, 5 & 6
Note: Pins designated should be in the closed position.