M-209 Motherboard Settings and Configuration

Processor	80286
Processor Speed	12/16/20MHz
Chip Set	PC Chips
Max. Onboard DRAM	4MB
Cache	None
BIOS	PC Chips
Dimensions	305.4mm x 217mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Auxiliary keyboard	JP1	Speed display	JP12
Power LED & keylock	JP3	Turbo switch	JP13
External battery	JP4	Reset switch	JP14
Turbo LED	JP11	Speaker	JP16

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP2	pins 2 & 3 closed
	Monitor type select monochrome	JP2	pins 1 & 2 closed
»	NPU mode select synchronous with CPU clock	JP5	pins 2 & 3 closed
	NPU mode select synchronous with oscillator installed at OSC1	JP5	pins 1 & 2 closed
»	CMOS memory normal operation	JP10	Open
	CMOS memory clear	JP10	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	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 256K x 9
2MB	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9