Processor	80386SX
Processor Speed	25/33MHz
Chip Set	TI
Max. Onboard DRAM	16MB (12MB on external memory card)
Cache	32KB
BIOS	Phoenix
Dimensions	318mm x 220mm
I/O Options	Auxiliary keyboard connector, external memory card (IT-FEM386)
NPU Options	80387SX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J8	Power LED & keylock	P5
Turbo LED	P2	Auxiliary keyboard connector	P20
Speaker	P3	External battery	P22
Reset switch	P4	External memory card	SL1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Turbo enabled	J8	Open
	Turbo disabled	J8	Closed
»	AT bus clock speed select 8MHz	J14	pins 2 & 3 closed
	AT bus clock speed select 12MHz	J14	pins 1 & 2 closed
»	Power good signal detect from power supply	J18	pins 1 & 2 closed
	Power good signal detect from board	J18	pins 2 & 3 closed
»	External memory card not installed	J25	pins 1 & 2 closed
	External memory card installed	J25	pins 2 & 3 closed
»	80387 disabled (Weitek 3167 is auto detected)	SW1/1	Off
	80387 enabled (Weitek 3167 is auto detected)	SW1/1	On
»	Monitor type select monochrome	SW1/2	Off
	Monitor type select color/EGA/VGA	SW1/2	On

DRAM CONFIGURATION
Size	Bank 0
1MB	(4) 256K x 9
4MB	(4) 1M x 9

DRAM JUMPER CONFIGURATION
Size	J1	J12	J13
1MB	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
4MB	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed

CACHE CONFIGURATION

Note: 32KB cache is factory installed and is not configurable. The location is unidentified.

DRAM SPEED CONFIGURATION
CPU speed	DRAM speed	J7
25MHz	120ns	Closed
25MHz	100ns	Open
33MHz	100ns	Closed
33MHz	80ns	Open

CPU SPEED CONFIGURATION
CPU speed	NPU speed	J4	J5	J6	J9
25MHz	20MHz	2 & 3	1 & 3, 2 & 4	2 & 3	2 & 3
25MHz	25MHz	2 & 3	2 & 4	1 & 2	2 & 3
33MHz	25MHz	1 & 2	1 & 2	2 & 3	1 & 2
33MHz	33MHz	1 & 2	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

I/O MODE CONFIGURATION
I/O bus mode	I/O wait state 8-bit	I/O wait state 16-bit	SW1/3	SW1/4
1	4	1	On	On
2	6	2	Off	On
3	8	3	On	Off
4	10	4	Off	Off

BATTERY TYPE CONFIGURATION
Type	J19
4.5v	pins 3 & 4 closed
3.6 - 4.5v	pins 1 & 3 closed
6v (without internal current limiting resistor)	pins 1 & 2 closed
6v (with internal current limiting resistor)	pins 2 & 4 closed