Processor	80386SX/CX486SLC
Processor Speed	33/40MHz
Chip Set	ALI
Max. Onboard DRAM	16MB
Cache	None
BIOS	AM
Dimensions	156mm x 121mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	CN1	Video module (PC/104) interface	CN10
IDE interface	CN2	Reset switch	JP1
Parallel port	CN3	IDE interface LED	JP2
Keyboard connector	CN4	Power LED & keylock	JP3
Serial port 1	CN6	Speaker	JP4
Serial port 2	CN7	Turbo switch	JP5
Keyboard port	CN8	Turbo LED	JP6
Video module (PC/104) interface	CN9

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Parity enabled	JP9	Open
	Parity disabled	JP9	Closed
»	Monitor type select monochrome	JP10	Open
	Monitor type select color	JP10	Closed
»	Parallel port unidirectional (printer)	JP14	Closed
	Parallel port bidirectional	JP14	Open
»	Watch-dog timer disabled	JP17	Open
	Watch-dog timer is reset after time-out period ends	JP17	pins 1 & 2 closed
	Activate NMI to CPU when watch-dog timer time-out period ends	JP17	pins 2 & 3 closed
»	IDE interface is not a Special Designed XT	JP20	pins 2 & 3 closed
	IDE interface is a Special Designed XT	JP20	pins 1 & 2 closed
»	Floppy drive interface enabled	JP24	pins 1 & 2 closed
	Floppy drive interface disabled	JP24	pins 2 & 3 closed
»	IDE interface enabled	JP25	pins 1 & 2 closed
	IDE interface disabled	JP25	pins 2 & 3 closed
»	NPU synchronous with CPU	JP27	pins 1 & 2 closed
	NPU asynchronous	JP27	pins 2 & 3 closed

SERIAL PORT CONFIGURATION
Port 1 (CN6)	Port 2 (CN7)	JP18	JP19	JP21	JP23
3F8h - 3FFh	2F8h - 2FFh	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
3F8h - 3FFh	Disabled	pins 1 & 2	pins 1 & 2	N/A	pins 2 & 3
Disabled	2F8h - 2FFh	pins 2 & 3	N/A	pins 1 & 2	pins 1 & 2
3E8h - 3EFh	2E8h - 2EFh	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 1 & 2
3E8h - 3EFh	Disabled	pins 1 & 2	pins 2 & 3	N/A	pins 2 & 3
Disabled	2E8h - 2EFh	pins 2 & 3	N/A	pins 2 & 3	pins 1 & 2
Disabled	Disabled	pins 2 & 3	N/A	N/A	pins 2 & 3
Note:pins designated should be in the closed position.

SERIAL PORT INTERRUPT SELECT
Port 1 (CN6)	Port 2 (CN7)	JP11	JP12
IRQ4	IRQ3	pins 2 & 3 closed	pins 1 & 2 closed
IRQ3	IRQ4	pins 1 & 2 closed	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(2) 256K x 9	NONE
1MB	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9
8MB	(2) 4M x 9	NONE
16MB	(2) 4M x 9	(2) 4M x 9

WATCHDOG TIMER TIME-OUT CONFIGURATION
Time-out period	JP15	JP16
500ms	Closed	pins 1 & 2 closed
1 second	Open	pins 1 & 2 closed
2.5 seconds	Closed	pins 2 & 3 closed
5 seconds	Open	pins 2 & 3 closed

BUS CLOCK SETTING
33Mhz CPU	40Mhz CPU	JP7	JP8
6.6Mhz bus clock	8Mhz bus clock	pins 1 & 2 closed	pins 1 & 2 closed
8.25Mhz bus clock	10Mhz bus clock	pins 2 & 3 closed	pins 2 & 3 closed
11Mhz bus clock	13.33Mhz bus clock	pins 1 & 2 closed	pins 2 & 3 closed
13.2Mhz bus clock	16Mhz bus clock	pins 2 & 3 closed	pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
Port		JP13	JP22	JP26
»	378h/IRQ7	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
	378h/IRQ5	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
	278h/IRQ5	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
	278h/IRQ7	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	N/A	pins 2 & 3 closed	N/A