TX2 Motherboard Settings and Configuration

Processor	CX M1/AM K5/AM K6/Pentium
Processor Speed	100/133/150/166/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB
Maximum Video Memory	None
Cache	512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), SCSI interface, Wide SCSI interface, parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, RAID slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Power LED & keylock	JP9/pins 1 –5
IDE interface 2	CN1	Turbo switch	JP9/pins 7 & 8
IDE interface 1	CN2	Speaker	JP9/pins 10 - 13
PS/2 mouse interface	J4	IDE interface LED	JP9/pins 14 & 15
Serial port 2	J5	Green PC connector	JP9/pins 19 & 20
Serial port 1	J6	Reset switch	JP9/pins 22 & 23
Parallel port	J7	Turbo LED	JP9/pins 25 & 26
Floppy drive interface	J8	32-bit PCI slots	PC1 – PC3
SCSI interface	J9	RAID slot	SL1
Wide SCSI interface	J10	USB connector	USB1
IR connector	J11

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	SCSI power down mode select normal mode	JP1	Open
	SCSI power down mode select power down mode	JP1	Closed
»	RAID disabled	JP2	Pins 1 & 2, 3 & 4 closed
	RAID enabled	JP2	Open
»	Wide SCSI disabled	JP3	Open
	Wide SCSI enabled	JP3	Closed
»	Flash BIOS voltage select 5v	JP4	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP4	Pins 1 & 2 closed
»	Power supply select AT	JP6	Closed
	Power supply select ATX	JP6	Open
»	CMOS memory normal operation	JP10	Pins 2 & 3 closed
	CMOS memory clear	JP10	Pins 3 & 4 closed
	Battery type select external	JP10	Open

DRAM 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

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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 0	Bank 1
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
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64

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

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	JP5	JP8
133MHz	55MHz	2x	1 & 3, 2 & 4	2 & 3, 4 & 5
150MHz	60MHz	2x	1 & 3	2 & 3, 4 & 5
200MHz	75MHz	2x	2 & 4	2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP5	JP8
100MHz	66MHz	1.5x	Open	1 & 2, 4 & 5
166MHz	66MHz	2.5x	Open	2 & 3, 5 & 6
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP5	JP8
200MHz	66MHz	3x	Open	1 & 2, 5 & 6
233MHz	66MHz	3.5x	Open	1 & 2, 4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP5	JP8
100MHz	66MHz	1.5x	Open	1 & 2, 4 & 5
166MHz	66MHz	2.5x	Open	2 & 3, 5 & 6
200MHz	66MHz	3x	Open	1 & 2, 5 & 6
233MHz	66MHz	3.5x	Open	1 & 2, 4 & 5
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage		JP7
»	2.8v	Open
	3.3v	Pins 1 & 2, 3 & 4 closed