Processor	CX 6X86/IBM 6X86/AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB (EDO supported)
Maximum Video Memory	None
Cache	512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connectors (2), USB connectors (2), ATX power connector, SMM slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Reset switch	J57C
Parallel port	J3	Speaker	J57D
Floppy drive interface	J19	Chassis fan power	J58
IDE interface 2	J20	Chassis intrusion connector	J59
IDE interface 1	J21	External battery	JP3
IDE interface LED	J23	Serial port 1	JP9
USB connector	J37	Serial port 2	JP10
USB connector	J38	PS/2 mouse interface	JP14
Overheat LED	J45	Overheat fan	JP15
Overheat fan	J53	IR connector	JP17
CPU fan	J54	IR connector	JP18
Power LED & keylock	J57A	32-bit PCI slots	PC1 – PC4
Soft off power supply	J57B	SMM slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Flash BIOS flash enabled	J7	Pins 1 & 2 closed
	Flash BIOS protect enabled	J7	Pins 2 & 3 closed
»	Factory configured - do not alter	J47	Open
	PC health monitor IRQ select IRQ9	J55	Pins 1 & 2 closed
	PC health monitor IRQ select IRQ3	J55	Pins 2 & 3 closed
»	CMOS memory normal operation	JP2	Pins 1 & 2 closed
	CMOS memory clear	JP2	Pins 2 & 3 closed

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
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

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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
Note: Board accepts EDO memory. Do not populate banks 0 & 2 at the same time. Use only FPM/EDO in bank 0.

DIMM CONFIGURATION
Size	Bank 2	Bank 3
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
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
128MB	(1) 16M x 64	None
256MB	(1) 16M x 64	(1) 16M x 64
256MB	(1) 32M x 64	None
Note: Use only SDRAM in bank 3. Bank 2 can use any type of DIMM.

CACHE CONFIGURATION

Note: 512KB cache is factory installed and is not configurable. The location is unidentified.

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JP5	JP6	JP7	J35	J36
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	Open	Closed
166MHz	66MHz	2x	1 & 2	2 & 3	2 & 3	Open	Closed
200MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	Open	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)
CPU speed	Clock speed	Multiplier	JP5	JP6	JP7	J35	J36
150MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	Open	Closed
166MHz	66MHz	2x	1 & 2	2 & 3	2 & 3	Open	Closed
200MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	Open	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP5	JP6	JP7	J35	J36
75MHz	50MHz	1.5x	2 & 3	2 & 3	2 & 3	Open	Open
90MHz	60MHz	1.5x	2 & 3	2 & 3	1 & 2	Open	Open
100MHz	66MHz	1.5x	1 & 2	2 & 3	2 & 3	Open	Open
120MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	Open	Closed
133MHz	66MHz	2x	1 & 2	2 & 3	2 & 3	Open	Closed
166MHz	66MHz	2.5x	1 & 2	2 & 3	2 & 3	Closed	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP5	JP6	JP7	J35	J36
166MHz	66MHz	2.5x	1 & 2	2 & 3	2 & 3	Closed	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	2 & 3	Closed	Open
233MHz	66MHz	3.5x	1 & 2	2 & 3	2 & 3	Open	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP5	JP6	JP7	J35	J36
75MHz	50MHz	1.5x	2 & 3	2 & 3	2 & 3	Open	Open
90MHz	60MHz	1.5x	2 & 3	2 & 3	1 & 2	Open	Open
100MHz	66MHz	1.5x	1 & 2	2 & 3	2 & 3	Open	Open
120MHz	60MHz	2x	2 & 3	2 & 3	1 & 2	Open	Closed
133MHz	66MHz	2x	1 & 2	2 & 3	2 & 3	Open	Closed
150MHz	60MHz	2.5x	2 & 3	2 & 3	1 & 2	Closed	Closed
150MHz	75MHz	2x	2 & 3	1 & 2	1 & 2	Open	Closed
166MHz	66MHz	2.5x	1 & 2	2 & 3	2 & 3	Closed	Closed
180MHz	60MHz	3x	2 & 3	2 & 3	1 & 2	Closed	Open
200MHz	66MHz	3x	1 & 2	2 & 3	2 & 3	Closed	Open
233MHz	66MHz	3.5x	1 & 2	2 & 3	2 & 3	Open	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	J48	J49	J50	J51
2.1v	Closed	Open	Open	Open
2.2v	Open	Closed	Open	Open
2.3v	Closed	Closed	Open	Open
2.4v	Open	Open	Closed	Open
2.5v	Closed	Open	Closed	Open
2.6v	Open	Closed	Closed	Open
2.7v	Closed	Closed	Closed	Open
2.8v	Open	Open	Open	Closed
2.9v	Closed	Open	Open	Closed
3.0v	Open	Closed	Open	Closed
3.1v	Closed	Closed	Open	Closed
3.2v	Open	Open	Closed	Closed
3.3v	Closed	Open	Closed	Closed
3.4v	Open	Closed	Closed	Closed
3.5v	Closed	Closed	Closed	Closed

MISCELLANEOUS TECHNICAL NOTE

The CPU fan will automatically turn on when the CPU temperature exceeds the user defined temperature.