P5SJ-AU Motherboard Settings and Configuration

Processor	CX M1/AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	SIS 5598
Video Chip Set	SIS
Maximum Onboard Memory	512MB (EDO supported), Unified Memory Architecture (UMA)
Cache	256/512KB
BIOS	Award
Dimensions	305mm x 244mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA interface, IR connector, USB connector, ATX power connector

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Serial port 1	CN4
Power LED	J7/pins 1 & 3	IDE interface 2	CN5
ACPI switch	J7/pins 4 & 5	IDE interface 1	CN6
ACPI LED	J7/pins 6 - 8	Floppy drive interface	CN7
Reset switch	J7/pins 9 & 10	IR connector	IR1
Keylock	J7/pins 11 & 12	Chassis fan power	J1
Speaker	J7/pins 13 - 16	VGA interface	J6
IDE interface LED	J7/pins 17 & 18	Wake up connector	J8
Serial port 2	CN1	32-bit PCI slots	PC1 – PC4
Parallel port	CN2	USB connector	USB
PS/2 mouse port	CN3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP16	Pins 1 & 2 closed
	CMOS memory clear	JP16	Pins 2 & 3 closed
»	Power supply select AT	JP17	Pins 2 & 3 closed
	Power supply select ATX	JP17	Pins 1 & 2 closed
»	Flash BIOS boot block enabled	JP20	Pins 1 & 2 closed
	Flash BIOS boot block disabled	JP20	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 512K x 36	None
4MB	(2) 512K x 36	(2) 512K x 36
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

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	BF0	BF1	JP12	JP13	JP14	JP15
90MHz	60MHz	2x	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
100MHz	50MHz	2x	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2	2 & 3
120MHz	55MHz	2x	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2
133MHz	60MHz	2x	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
150MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
166MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
200MHz	75MHz	3x	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)
CPU speed	Clock speed	Multiplier	BF0	BF1	JP12	JP13	JP14	JP15
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2	2 & 3
90MHz	60MHz	1.5x	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
120MHz	60MHz	2x	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
133MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
150MHz	60MHz	2.5x	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	BF0	BF1	JP12	JP13	JP14	JP15
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2	2 & 3
90MHz	60MHz	1.5x	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
120MHz	60MHz	2x	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
133MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	2 & 3
150MHz	60MHz	2.5x	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	2 & 3	1 & 2	2 & 3
180MHz	60MHz	3x	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3
200MHz	66MHz	3x	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP6	JP22
3.3v	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
3.52v	Pins 3 & 4 closed	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP6	JP22
3.3v	2.54v	1 & 2	3 & 4, 7 & 8
3.3v	2.84v	1 & 2	1 & 2
3.3v	2.94v	1 & 2	1 & 2, 7 & 8
3.3v	3.24v	1 & 2	1 & 2, 3 & 4
3.3v	3.34v	1 & 2	3 & 4, 5 & 6
3.52v	2.54v	3 & 4	3 & 4, 7 & 8
3.52v	2.84v	3 & 4	1 & 2.
3.52v	2.94v	3 & 4	1 & 2, 7 & 8
3.52v	3.24v	3 & 4	1 & 2, 3 & 4
3.52v	3.34v	3 & 4	3 & 4, 5 & 6
Note: Pins designated should be in the closed position.

ON BOARD VIDEO SELECTION
Setting	JP23	JP24	JP25
Enabled	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
Disabled	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed