ALL-IN-ONE 386SX Motherboard Settings and Configuration

Processor	80386SX (exact location unknown)
Processor Speed	16/20/25MHz
Chip Set	Intel
Max. Onboard DRAM	32MB
Cache	None
BIOS	AMI
Dimensions	254mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)
NPU Options	80387SX (exact location unknown)

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	JP5 pins 1 - 2	Parallel port	JP9
Turbo switch	JP5 pins 4 - 5	External battery	JP10
Turbo LED	JP5 pins 8 - 9	PS/2 mouse port	JP11
Speaker	JP5 pins 11 - 14	IDE interface LED	JP12
Power LED & keylock	JP5 pins 16 - 20	IDE interface	JP15
Serial port 1	JP7	Floppy drive interface	JP18
Serial port 2	JP8

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	JP10	Closed
	Battery type select external	JP10	pins 2 & 3 closed
	CMOS memory clear	JP10	pins 3 & 4 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	NONE	NONE	NONE
1MB	(2) 256K x 9	(2) 256K x 9	NONE	NONE
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	NONE
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE	NONE	NONE
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9	NONE	NONE
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	NONE
5MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	(2) 1M x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	NONE
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
8MB	(2) 4M x 9	NONE	NONE	NONE
9MB	(2) 256K x 9	(2) 256K x 9	(2) 4M x 9	NONE
10MB	(2) 1M x 9	(2) 4M x 9	NONE	NONE
12MB	(2) 1M x 9	(2) 1M x 9	(2) 4M x 9	NONE
16MB	(2) 4M x 9	(2) 4M x 9	NONE	NONE
16.5MB	(2) 4M x 9	(2) 4M x 9	(2) 256K x 9	NONE
17MB	(2) 256K x 9	(2) 256K x 9	(2) 4M x 9	(2) 4M x 9
18MB	(2) 4M x 9	(2) 4M x 9	(2) 1M x 9	NONE
20MB	(2) 1M x 9	(2) 1M x 9	(2) 4M x 9	(2) 4M x 9
24MB	(2) 4M x 9	(2) 4M x 9	(2) 4M x 9	NONE
32MB	(2) 4M x 9	(2) 4M x 9	(2) 4M x 9	(2) 4M x 9

IDE CONFIGURATION
Setting	JP19	JP20
IDE interface disabled	Open	Open
IDE interface enabled	Closed	Closed

FLOPPY CONFIGURATION
Setting	JP21	JP22
Floppy interface disabled	Open	pins 2 & 3 closed
Floppy interface enabled	Closed	pins 1 & 2 closed