A3886 Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	20MHz
Chip Set	Intel/VLSI
Max. Onboard DRAM	20MB
Cache	None
BIOS	AMI
Dimensions	219mm x 195mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Reset switch	J4
Turbo switch	J2	Power LED & Keylock	J5
Turbo LED	J3	Speaker	J6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP1	Closed
	Monitor type select monochrome	JP1	Open
»	Parity enabled	JP2	Closed
	Parity disabled	JP2	Closed
»	Factory configured - do not alter	JP3	N/A
»	CMOS memory normal operation	JP4	Open
	CMOS memory clear	JP4	Closed
»	Pipeline mode enabled	JP5	Closed
	Pipeline mode disabled	JP5	Open
»	Factory configured - do not alter	JP6	N/A
»	NPU mode select synchronous with CPU	JP7	Open
	NPU mode select asynchronous with CPU	JP7	Closed

DRAM CONFIGURATION
Size	Batch	Bank 0	Parity (P-0)	Bank 1	Parity (P-1)	Bank 2	Bank 3
512KB	512K	(4) 44256	(2) 41256	NONE	NONE	NONE	NONE
512KB	512KS	NONE	NONE	NONE	NONE	(2) 256K x 9	NONE
1MB	1M	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
1MB	1MS	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 256K x 9
1.5MB	1M512	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 256K x 9	NONE
2MB	2MK	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 256K x 9	(2) 256K x 9
2MB	2MM	(4) 441000	(2) 411000	NONE	NONE	NONE	NONE
2.5MB	2M512	(4) 44256	(2) 41256	(4) 441000	(2) 411000	NONE	NONE
3MB	3M	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 1M x 9	NONE
4MB	4M	(4) 441000	(2) 411000	(4) 441000	(2) 411000	NONE	NONE
4MB	4MS	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9
4.5MB	4M512	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 256K x 9	NONE
5MB	5M	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 1M x 9	(2) 1M x 9
6MB	6M	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 1M x 9	NONE
8MB	8M	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 1M x 9	(2) 1M x 9
8MB	8M4S	NONE	NONE	NONE	NONE	(2) 4M x 9	NONE
9MB	9M	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 4M x 9	NONE
12MB	12M	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 4M x 9	NONE
16MB	16M4S	NONE	NONE	NONE	NONE	(2) 4M x 9	(2) 4M x 9
17MB	17M	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 4M x 9	(2) 4M x 9
20MB	20M	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 4M x 9	(2) 4M x 9
Note:After installing memory, run the applicable batch file on your setup disk. This loads the appropriate values into the chipset.