RACER-286 AIO Motherboard Settings and Configuration

Processor	80286
Processor Speed	6/12MHz
Chip Set	Suntac
Max. Onboard DRAM	4MB
Cache	None
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), VGA port, floppy drive interface, IDE interface
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Power LED & keylock	J8
Parallel port	CN2	External battery	J17
Serial port 1	CN4	IDE interface LED	J22
CPU clock display connector	J2	IDE interface	J24
Auxiliary keyboard connector	J3	Floppy drive interface	J25
Reset switch	J4	Serial port 2	J26
Turbo LED	J5	Riser slot	SL1
Speaker	J7

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Clock speed control keyboard or hardware control	J6	pins 1 & 2 closed
	Clock speed control DIP switch control	J6	pins 2 & 3 closed
»	Factory configured - do not alter	J9	N/A
»	On board VGA enabled	J10	pins 2 & 3 closed
	On board VGA disabled	J10	pins 1 & 2 closed
»	Factory configured - do not alter	J12	N/A
»	Floppy drive speed select single speed	J14	Closed
	Floppy drive speed select dual speed	J14	Open
»	Floppy drive type select single speed spindle motor drive	J15	Open
	Floppy drive type select dual speed spindle motor drive	J15	Closed
»	Battery type select internal	J16	pins 1 & 2 closed
	Battery type select external	J16	pins 2 & 3 closed
»	Factory configured - do not alter	J18	N/A
»	IDE interface enabled	J19	Closed
	IDE interface disabled	J19	Open
»	Floppy drive interface enabled	J20	Closed
	Floppy drive interface disabled	J20	Open
»	Factory configured - do not alter	J21	N/A
»	Hard drive I/O channel ready enabled	J23	Closed
	Hard drive I/O channel ready disabled	J23	Open
»	Hard drive reset level select low reset	J27	pins 1 & 2 closed
	Hard drive reset level select high reset	J27	pins 2 & 3 closed
»	Parallel port enabled	J28	Closed
	Parallel port disabled	J28	Open
»	Factory configured - do not alter	J29	N/A
»	0 wait state enabled	J32	Closed
	0 wait state disabled	J32	Open
»	Serial port 2 enabled	J35	Closed
	Serial port 2 disabled	J35	Open
»	Serial port 1 enabled	J36	Closed
	Serial port 1 disabled	J36	Open
»	Factory configured - do not alter	J37	N/A
»	Monitor type select color	SW1/2	On
	Monitor type select monochrome	SW1/2	Off
»	Parity enabled	SW1/3	On
	Parity disabled	SW1/3	Off
»	EMS port address select 0E8H	SW1/4	On
	EMS port address select 098H	SW1/4	Off
»	BIOS type select 27128	SW1/5	On
	BIOS type select 27256	SW1/5	Off

DRAM CONFIGURATION
Size	Mode	Bank 0	Parity 0	Bank 1	Parity 1
512KB	0	(16) 41256	(2) 41256	NONE	NONE
640KB	1	(16) 41256	(2) 41256	(16) 4164	(2) 4164
640KB + 384KB (1MB)	2	(16) 41256	(2) 41256	(16) 41256	(2) 41256
640KB + 384KB (EMS) (1MB)	3	(16) 41256	(2) 41256	(16) 41256	(2) 41256
640KB + 1408KB (2MB)	4	(16) 411000	(2) 411000	NONE	NONE
640KB + 1408KB (EMS) (2MB)	5	(16) 411000	(2) 411000	NONE	NONE
640KB + 3456KB (4MB)	6	(16) 411000	(2) 411000	(16) 411000	(2) 411000
640KB + 3456KB (EMS) (4MB)	7	(16) 411000	(2) 411000	(16) 411000	(2) 411000

DRAM SWITCH CONFIGURATION
Mode	SW1/6	SW1/7	SW1/8
0	On	On	On
1	On	On	Off
2	On	Off	On
3	On	Off	Off
4	Off	On	On
5	Off	On	Off
6	Off	Off	On
7	Off	Off	Off

CPU SPEED CONFIGURATION
Speed	J1	SW1/1
6MHz	Open	On
12MHz	Closed	Off