MODEL D2/PLUS Motherboard Settings and Configuration

Processor	80286 (Exact location unknown)
Processor Speed	12MHz
Chip Set	Unidentified
Max. Onboard DRAM	4MB
Cache	None
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port (2)
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Internal keyboard connector	J11
Serial port 2	CN2	Speed & keylock connector	J12
Parallel port	CN3	Power LED & reset	J13
Floppy drive interface	CN4	Speaker	J14
Bus mouse port	CN5	External battery	J15
IDE interface	CN6	IDE interface LED	J16

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	J1	pins 2 & 3 closed
	Monitor type select monochrome	J1	pins 1 & 2 closed
»	Parallel port enabled	J2	pins 1 & 2 closed
	Parallel port disabled	J2	pins 2 & 3 closed
»	Floppy drive interface enabled	J7	pins 1 & 2 closed
	Floppy drive interface disabled	J7	pins 2 & 3 closed
»	Bus mouse port enabled	J8	pins 1 & 2 closed
	Bus mouse port disabled	J8	pins 2 & 3 closed
»	IDE interface enabled	J9	pins 1 & 2 closed
	IDE interface disabled	J9	pins 2 & 3 closed
»	Factory configured - do not alter	J10	N/A

SERIAL PORT CONFIGURATION
Port 1		Port 2	J3	J4	J5	J6
»	COM1	COM2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
	COM3	COM4	pins 1 & 2	pins 1 & 2	pins 2 & 3	pins 2 & 3
	COM1	Disabled	pins 1 & 2	pins 2 & 3	pins 1 & 2	N/A
	Disabled	COM2	pins 2 & 3	pins 1 & 2	N/A	pins 1 & 2
	COM3	Disabled	pins 1 & 2	pins 2 & 3	pins 2 & 3	N/A
	Disabled	COM4	pins 2 & 3	pins 1 & 2	N/A	pins 2 & 3
	Disabled	Disabled	pins 2 & 3	pins 2 & 3	N/A	N/A
Note:Pins designated should be in the closed position.

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9