Device Type	Mainboard
Processor	CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed	75/90/100/120/133/150/166/180/200/233MHz
Chip Set	Intel
Maximum Onboard Memory	128MB
Cache	256/512KB
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options (backplane)	32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	C1/pins 1 - 5	Serial port 2	CN3
Speaker	C1/pins 7 - 10	Serial port 1	CN4
Reset switch	C1/pins 12 & 13	Floppy drive interface	CN5
IDE interface LED	C1/pins 15 & 16	IDE interface 2	CN6
Parallel port	C1/pins 18 & 19	IDE interface 1	CN7
Turbo LED	C1/pins 21 & 22	PS/2 mouse interface	JP1
Parallel port	CN1	32-bit PCI slots	PC1 - PC3
IR connector	CN2	USB connector	USB

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	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

CACHE CONFIGURATION
Size	Bank 0
256KB	(2) 32K x 32
512KB	(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
120MHz	50MHz	2x	1 & 2	1 & 2	1 & 2	Closed	Open
133MHz	55MHz	2x	1 & 2	1 & 2	2 & 3	Closed	Open
150MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	Closed	Open
160MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	Closed	Open
200MHz	75MHz	2x	2 & 3	1 & 2	2 & 3	Closed	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
133MHz	55MHz	2x	1 & 2	1 & 2	2 & 3	Closed	Open
150MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	Closed	Open
160MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	Closed	Open
200MHz	75MHz	2x	2 & 3	1 & 2	2 & 3	Closed	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
75MHz	50MHz	1.5x	1 & 2	1 & 2	1 & 2	Open	Open
90MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open	Open
100MHz	66MHz	1.5x	1 & 2	2 & 3	1 & 2	Open	Open
120MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open	Open
133MHz	66MHz	1.5x	1 & 2	2 & 3	1 & 2	Open	Open
166MHz	66MHz	2.5x	1 & 2	2 & 3	1 & 2	Closed	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
166MHz	66MHz	2.5x	1 & 2	2 & 3	1 & 2	Closed	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	1 & 2	Closed	Open
233MHz	66MHz	3.5x	1 & 2	2 & 3	1 & 2	Open	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
75MHz	50MHz	1.5x	1 & 2	1 & 2	1 & 2	Open	Open
90MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open	Open
100MHz	66MHz	1.5x	1 & 2	2 & 3	1 & 2	Open	Open
120MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	Closed	Open
133MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	Closed	Open
150MHz	60MHz	2.5x	2 & 3	1 & 2	1 & 2	Closed	Closed
166MHz	66MHz	2.5x	1 & 2	2 & 3	1 & 2	Closed	Closed
180MHz	60MHz	3x	2 & 3	1 & 2	1 & 2	Open	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	1 & 2	Open	Closed
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP3	JP4	JP5	JP7	JP8
166MHz	66MHz	2.5x	1 & 2	2 & 3	1 & 2	Closed	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	1 & 2	Closed	Open
233MHz	66MHz	3.5x	1 & 2	2 & 3	1 & 2	Open	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP9
3.3v	Open
3.52v	Closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	JP6
2.8v	Pins 5 & 6 closed
3.3v	Pins 3 & 4 closed
3.52v	Pins 1 & 2 closed