SBC-598 Motherboard Settings and Configuration

Device Type	Single board computer
Processor	CX 6X86MX/AM K6/Pentium/Pentium MMX
Processor Speed	166/200/233/266MHz
Chip Set	SIS 5598
Video Chip Set	SIS 5598
Maximum Onboard Memory	256MB (EDO & SDRAM supported) Unified Memory Architecture (UMA)
Cache	512KB
BIOS	Award
Dimensions	338mm x 122mm
I/O Options	Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), VGA port, USB connector, IR connector

CONNECTIONS
Purpose	Location	Purpose	Location
USB connector	CN1	Floppy drive interface	CN11
IDE interface LED	CN2	Parallel port	CN12
Thermal alarm LED	CN3	Serial port 2	CN13
Power LED & keylock	CN4	5v power	CN14
Chassis fan power	CN5	Serial port 1	CN15
IDE interface 1	CN6	VGA port	CN16
IDE interface 2	CN7	Auxiliary keyboard connector	CN17
Digital I/O connector	CN8	PS/2 mouse port	CN18
IR connector	CN10

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	CN9	Unidentified
»	CMOS memory normal operation	JP1	Pins 1 & 2 closed
	CMOS memory clear	JP1	Pins 2 & 3 closed
»	On board video enabled	JP2	Pins 1 & 3, 2 & 4 closed
	On board video disabled	JP2	Pins 3 & 5, 4 & 6 closed
»	PCI CLK asynchronous	JP4	Pins 1 & 2 closed
	PCI CLK synchronous	JP4	Pins 2 & 3 closed
»	Reset enabled	JP9	Open
	Reset disabled	JP9	Closed
»	Buzzer enabled	JP10	Pins 2 & 3 closed
	Speaker enabled	JP10	Open

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

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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
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
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size	Bank 2
8MB	(1) 1M x 36
16MB	(1) 2M x 36
32MB	(1) 4M x 36
64MB	(1) 8M x 36
128MB	(1) 16M x 36
256MB	(1) 32M x 36
Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION
Voltage		JP3
	3.3v	Pins 5 & 6, 7 & 8 closed
»	5v	Pins 1 & 2, 3 & 4 closed

MEMORY BANK SELECTION
Setting		M1
»	SIMMs used	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16 closed
	DIMM used	Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12, 13 & 15, 14 & 16 closed

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP5	JP6
166MHz	60MHz	2.5x	3 & 4, 5 & 6	1 & 2, 3 & 4
200MHz	66MHz	2.5x	1 & 2, 5 & 6	1 & 2, 3 & 4
233MHz	66MHz	3x	1 & 2, 5 & 6	3 & 4
266MHz	66MHz	3.5x	1 & 2, 5 & 6	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP5	JP6
166MHz	66MHz	2.5x	1 & 2, 5 & 6	1 & 2, 3 & 4
200MHz	66MHz	3x	1 & 2, 5 & 6	3 & 4
233MHz	66MHz	3.5x	1 & 2, 5 & 6	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP5	JP6
166MHz	66MHz	2.5x	1 & 2, 5 & 6	1 & 2, 3 & 4
200MHz	66MHz	3x	1 & 2, 5 & 6	3 & 4
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP5	JP6
166MHz	66MHz	2.5x	1 & 2, 5 & 6	1 & 2, 3 & 4
200MHz	66MHz	3x	1 & 2, 5 & 6	3 & 4
233MHz	66MHz	3.5x	1 & 2, 5 & 6	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type		JP8
	Single voltage	Pins 3 & 5, 4 & 6 closed
»	Dual voltage	Pins 1 & 3, 2 & 4 closed

CPU VOLTAGE SELECTION
Voltage		JP7
	2.0v	Open
	2.1v	Pins 7 & 8 closed
	2.2v	Pins 5 & 6 closed
	2.3v	Pins 5 & 6, 7 & 8 closed
	2.4v	Pins 3 & 4 closed
	2.5v	Pins 3 & 4, 7 & 8 closed
	2.6v	Pins 3 & 4, 5 & 6 closed
	2.7v	Pins 3 & 4, 5 & 6, 7 & 8 closed
»	2.8v	Pins 1 & 2 closed
	2.9v	Pins 1 & 2, 7 & 8 closed
	3.0v	Pins 1 & 2, 5 & 6 closed
	3.1v	Pins 1 & 2, 5 & 6, 7 & 8 closed
	3.2v	Pins 1 & 2, 3 & 4 closed
	3.3v	Pins 1 & 2, 3 & 4, 7 & 8 closed
	3.4v	Pins 1 & 2, 3 & 4, 5 & 6 closed
	3.5v	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed

DISK ADDRESS SELECTION
Address		JP11
	C800	Pins 1 & 2, 3 & 4 closed
	CC00	Pins 1 & 2, 5 & 6 closed
	D000	Pins 1 & 2 closed
	D400	Pins 3 & 4, 5 & 6 closed
»	D800	Pins 3 & 4 closed
	DC00	Pins 5 & 6 closed
	E000	Open
	Disabled	Pins 1 & 2, 3 & 4, 5 & 6 closed