P5TX-APRO Motherboard Settings and Configuration

Processor	CX 6X86/CX 686MX/IBM 6X86/IBM 6X86MX/AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
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 port, serial ports (2), IR connector, USB connectors (2), ATX power connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Power LED	J10/pins 1 - 3
Chassis fan power	C1	Green PC connector	J10/pins 4 & 5
Chassis fan power	C2	Green PC LED	J10/pins 6 - 8
Chassis fan power	C3	Reset switch	J10/pins 9 & 10
Parallel port	CN1	Keylock	J10/pins 11 & 12
Serial port 2	CN2	Speaker	J10/pins 13 - 16
Serial port 1	CN3	IDE interface LED	J10/pins 17 & 18
USB connector	CN4	Soft off power supply	J10/pins 19 & 20
USB connector	CN5	IR connector	J13
PS/2 mouse port	CN6	Intrusion alarm	J18
IDE interface 2	CN7	Wake up connector	J19
IDE interface 1	CN8	32-bit PCI slots	PC1 – PC4
Floppy drive interface	CN9

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP2	Pins 2 & 3 closed
	CMOS memory clear	JP2	Pins 1 & 2 closed

DIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(1) 1M x 64	None	None
16MB	(1) 2M x 64	None	None
16MB	(1) 1M x 64	(1) 1M x 64	None
24MB	(1) 2M x 64	(1) 1M x 64	None
24MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None	None
32MB	(1) 2M x 64	(1) 2M x 64	None
40MB	(1) 4M x 64	(1) 1M x 64	None
48MB	(1) 4M x 64	(1) 2M x 64	None
48MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None	None
64MB	(1) 4M x 64	(1) 4M x 64	None
72MB	(1) 8M x 64	(1) 1M x 64	None
80MB	(1) 8M x 64	(1) 2M x 64	None
96MB	(1) 8M x 64	(1) 4M x 64	None
96MB	(1) 4M x 64	(1) 4M x 64	(1) 4M x 64
128MB	(1) 16M x 64	None	None
128MB	(1) 8M x 64	(1) 8M x 64	None
136MB	(1) 16M x 64	(1) 1M x 64	None

DIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
144MB	(1) 16M x 64	(1) 2M x 64	None
160MB	(1) 16M x 64	(1) 4M x 64	None
192MB	(1) 16M x 64	(1) 8M x 64	None
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64	None
Note: Board accepts EDO memory.

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	JP1
120MHz	50MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 20, 21 & 22
133MHz	55MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22
150MHz	60MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20
166MHz	66MHz	2x	1 & 3, 4 & 6, , 9 & 11, 17 & 19, 18 & 20
200MHz	75MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP1
150MHz	75MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)
CPU speed	Clock speed	Multiplier	JP1
120MHz	50MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 20, 21 & 22
133MHz	55MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22
150MHz	60MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20
166MHz	66MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20
200MHz	75MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed	Clock speed	Multiplier	JP1
150MHz	75MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP1
75MHz	50MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 20, 21 & 22
90MHz	60MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20
100MHz	66MHz	1.5x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
120MHz	60MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20
133MHz	66MHz	1.5x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
150MHz	60MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20
166MHz	66MHz	2x	1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP1
200MHz	66MHz	3x	2 & 4, 3 & 5, 9 & 11, 17 & 19, 18 & 20
233MHz	66MHz	3.5x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP1
75MHz	50MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22
90MHz	60MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20
100MHz	66MHz	1.5x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
120MHz	60MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20
133MHz	66MHz	2x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
150MHz	60MHz	2.5x	3 & 5, 4 & 6, 11 & 13, 17 & 19, 18 & 20
166MHz	66MHz	2.5x	3 & 5, 4 & 6, 9 & 11, 17 & 19, 18 & 20
200MHz	66MHz	3x	2 & 4, 3 & 5, 9 & 11, 17 & 19, 18 & 20
233MHz	66MHz	3.5x	1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage		JP4
	2.54v	Pins 1 & 2 closed
»	2.84v	Pins 3 & 4 closed
	2.94v	Pins 5 & 6 closed
	3.24v	Pins 7 & 8 closed
	3.34v	Pins 9 & 10 closed