Processor	80386SX
Processor Speed	25/33MHz
Chip Set	None
Max. Onboard DRAM	16MB
Cache	64/256KB
BIOS	AMI
Dimensions	355mm x 304mm
I/O Options	None
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J1	Turbo LED	J4
Speaker	J2	Reset switch	J5
Power LED & keylock	J3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	I/O bus (8-bit) wait states select seven	JP1	pins 1 & 2 closed
	I/O bus (8-bit) wait states select five	JP1	pins 2 & 3 closed
»	I/O bus (16-bit) wait states select five	JP2	pins 2 & 3 closed
	I/O bus (16-bit) wait states select three	JP2	pins 1 & 2 closed
»	I/O bus speed select CPU/4	JP3	pins 2 & 3 closed
	I/O bus speed select CPU/2.5	JP3	pins 1 & 2 closed
»	Monitor type select monochrome	JP4	pins 2 & 3 closed
	Monitor type select color	JP4	pins 1 & 2 closed
»	NPU disabled	JP5	Open
	NPU enabled	JP5	Closed
»	NPU mode select synchronous with CPU (80387)	JP17	Open
	NPU mode select asynchronous with CPU (80387)	JP17	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB 1	(4) 256K x 9	NONE	NONE	NONE
2MB 1	(4) 256K x 9	(4) 256K x 9	NONE	NONE
3MB 1	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	NONE
4MB 1	(4) 1M x 9	NONE	NONE	NONE
4MB 2	NONE	NONE	NONE	(36) 411000
5MB 1	(4) 256K x 9	(4) 1M x 9	NONE	NONE
7MB 1	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	(36) 411000
8MB 1	(4) 1M x 9	(4) 1M x 9	NONE	NONE
8MB 2	NONE	(4) 1M x 9	NONE	(36) 411000
9MB 1	(4) 1M x 9	(4) 1M x 9	(4) 256K x 9	NONE
9MB 2	NONE	(4) 1M x 9	(4) 256K x 9	(36) 411000
10MB 2	(4) 1M x 9	(4) 256K x 9	(4) 256K x 9	(36) 411000
12MB 1	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	NONE
12MB 2	NONE	(4) 1M x 9	(4) 1M x 9	(36) 411000
16MB 1	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(36) 411000
Note 1&2 : See the next table for settings.

DRAM JUMPER CONFIGURATION
Size	JP8	JP9	JP10	JP13	JP14	JP15	JP16
1MB 1	2 & 3	N/A	N/A	Closed	Closed	Closed	Closed
2MB 1	2 & 3	2 & 3	N/A	Closed	Closed	Closed	Open
3MB 1	2 & 3	2 & 3	2 & 3	Closed	Closed	Open	Closed
4MB 1	1 & 2	N/A	N/A	Closed	Closed	Open	Open
4MB 2	N/A	N/A	N/A	Closed	Closed	Open	Open
5MB 1	2 & 3	1 & 2	N/A	Closed	Open	Closed	Closed
7MB 1	2 & 3	2 & 3	2 & 3	Closed	Open	Closed	Open
8MB 1	1 & 2	1 & 2	N/A	Closed	Open	Open	Closed
8MB 2	N/A	1 & 2	N/A	Closed	Open	Open	Closed
9MB 1	1 & 2	1 & 2	2 & 3	Closed	Open	Open	Open
9MB 2	N/A	1 & 2	2 & 3	Closed	Open	Open	Open
10MB 2	2 & 3	1 & 2	2 & 3	Open	Closed	Closed	Closed
12MB 1	1 & 2	1 & 2	1 & 2	Open	Closed	Closed	Open
12MB 2	N/A	1 & 2	1 & 2	Open	Closed	Closed	Open
16MB 1	1 & 2	1 & 2	1 & 2	Open	Closed	Open	Closed
Note 1 :Set JP12 pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, closed.
Note 2 :Set JP12 pins 1 & 24, 2 & 23, 3 & 22, 4 & 21, 5 & 20, 6 & 19, 7 & 18, 8 & 17, closed.

CACHE CONFIGURATION
Size	Bank 0
64KB	(10) 16K x 4
256KB	(10) 64K x 4

CACHE JUMPER CONFIGURATION
Size	JP6	JP7
64KB	pins 1 & 2 closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	pins 2 & 3 closed