Device Type	Mainboard
Processor	CX 6X86/AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200/233MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO & SDRAM supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Unidentified
Dimensions	305mm x 244mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	C1	Serial port 1	CN4
IDE interface LED	C2	Serial port 2	CN5
Speaker	C3	Parallel port	CN6
Power LED & keylock	C4	USB connector	CN7
Green PC connector	C5	PS/2 mouse interface	CN8
Chassis fan power	C6	CPU fan power	FAN
IDE interface 1	CN1	IR connector	IR1
IDE interface 2	CN2	32-bit PCI slots	PC1 – PC4
Floppy drive interface	CN3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	JP6	Open
»	CMOS memory normal operation	JP31	Pins 2 & 3 closed
	CMOS memory clear	JP31	Pins 1 & 2 closed
»	Factory configured - do not alter	JP36	Unidentified
»	Factory configured - do not alter	JP37	Unidentified

SIMM CONFIGURATION
Size	Bank 0
4MB	(2) 512K x 36
8MB	(2) 1M x 36
16MB	(2) 2M x 36
32MB	(2) 4M x 36
64MB	(2) 8M x 36

DIMM CONFIGURATION
Size	Bank 1	Bank 2
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

DIMM VOLTAGE CONFIGURATION
Voltage		JP25	JP26	JP27	JP28
»	3.3v	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	5v	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CACHE CONFIGURATION
Size	Bank 0
256KB	(2) 32K x 32
512KB	(2) 64K x 32
Note: The location of the cache is unidentified.

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JP1	JP2	JP3	JP4	JP5
120MHz	50MHz	2x	1 & 2	2 & 3	2 & 3	2 & 3	1 & 2
133MHz	55MHz	2x	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2
150MHz	60MHz	2x	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2
166MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2
200MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
200MHz	75MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP1	JP2	JP3	JP4	JP5
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
90MHz	60MHz	1.5x	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2
133MHz	66MHz	2x	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
200MHz	66MHz	3x	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP1	JP2	JP3	JP4	JP5
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
200MHz	66MHz	3x	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
233MHz	66MHz	3.5x	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP1	JP2	JP3	JP4	JP5
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
90MHz	60MHz	1.5x	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2
133MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2
150MHz	60MHz	2.5x	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
180MHz	60MHz	3x	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2
200MHz	66MHz	3x	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP1	JP2	JP3	JP4	JP5
200MHz	66MHz	3x	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
233MHz	66MHz	3.5x	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP11	JP12	JP13	JP14	JP15	JP16
3.5v	11 & 12	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP11	JP12	JP13	JP14	JP15	JP16
3.3v	2.7v	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3
3.5v	2.8v	3 & 4	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
3.3v	2.8v	3 & 4	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3
3.3v	2.9v	5 & 6	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3
3.5v	2.9v	5 & 6	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
3.5v	3.2v	7 & 8	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
3.5v	3.3v	9 & 10	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.