A3263 Motherboard Settings and Configuration

Processor	80286
Processor Speed	25MHz
Chip Set	Headland
Max. Onboard DRAM	4MB
Cache	None
BIOS	AMI/Eurosoft
Dimensions	219mm x 234mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP1	Reset switch	JP5
Power LED & keylock	JP2	Speaker	JP6
Turbo switch	JP4	Turbo LED	JP7

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	CMOS memory normal operation	JP8	Open
	CMOS memory clear	JP8	Closed

DRAM CONFIGURATION
Size	Bank 0	Parity (P-0)	Bank 1	Parity (P-1)	Bank 2	Bank 3
512KB	(4) 44256	(2) 41256	NONE	NONE	NONE	NONE
512KB	NONE	NONE	NONE	NONE	(2) 256K x 9	NONE
1MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
1MB	(4) 44256	(2) 41256	NONE	NONE	NONE	(2) 256K x 9
1MB	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 256K x 9
2MB	(4) 441000	(2) 411000	NONE	NONE	NONE	NONE
2MB	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
2.5MB	(4) 44256	(2) 41256	(4) 441000	(2) 411000	NONE	NONE
2.5MB	(4) 44256	(2) 41256	NONE	NONE	NONE	(2) 1M x 9
2.5MB	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 1M x 9
4MB	(4) 441000	(2) 411000	(4) 441000	(2) 411000	NONE	NONE
4MB	(4) 441000	(2) 411000	NONE	NONE	NONE	(2) 1M x 9
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9