MAT 286 MICRO AT (BA15D) Motherboard Settings and Configuration

Processor	80286
Processor Speed	16/20MHz
Chip Set	None
Max. Onboard DRAM	4MB
Cache	None
BIOS	Quadtel
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP3	Power LED & keylock	JP9
Turbo switch	JP7	Speaker	JP10
Reset switch	JP8	Turbo LED	JP11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Turbo switch default high speed	JP1	pins 2 & 3 closed
	Turbo switch default low speed	JP1	pins 1 & 2 closed
»	Monitor type select color	JP2	Closed
	Monitor type select monochrome	JP2	Open
»	ATCLK source select crystal Y3/4	JP12	Closed
	ATCLK source select crystal Y2/4	JP12	Open
»	NPU clock source select crystal Y3/3	JP13	pins 1 & 2 closed
	NPU clock source select crystal Y4/3	JP13	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(4) 44256	NONE	NONE	NONE
512KB	NONE	NONE	(2) 256K x 9	NONE
640KB	(4) 44256	(4) 4464	NONE	NONE
1MB	(4) 44256	(4) 44256	NONE	NONE
2MB	NONE	NONE	(2) 1M x 9	NONE
2MB	(4) 441000	NONE	NONE	NONE
2.5MB	(4) 44256	(4) 441000	NONE	NONE
2.5MB	(4) 44256	NONE	(2) 1M x 9	NONE
4MB	(4) 441000	(4) 441000	NONE	NONE
4MB	NONE	NONE	(2) 1M x 9	(2) 1M x 9