KEEN-4031 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	40MHz
Chip Set	DTK
Max. Onboard DRAM	16MB (8MB on external memory card)
Cache	64KB
BIOS	AMI/DTK
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	Speaker	J4
Turbo LED	J2	Power LED & keylock	J5
Turbo switch	J3	32-bit system memory card	SL1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
	Turbo switch select normal speed (no cache support)	J3	pins 1 & 2 closed
	Turbo switch select turbo speed (cache support)	J3	Open
	Turbo switch select through keyboard by pressing CTRL, ALT, -	J3	pins 2 & 3 closed
»	NPU disabled	J11	Closed
	NPU enabled	J11	Open
	Monitor type select monochrome	SW1/4	Off
	Monitor type select color	SW1/4	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9

DRAM SWITCH CONFIGURATION
Size	SW1/1	SW1/2	SW1/3
1MB	On	On	On
2MB	On	On	On
4MB	On	Off	On
5MB	Off	Off	On
8MB	On	On	Off

CACHE CONFIGURATION

Note: 64KB cache is factory installed and is not configurable. The location is unidentified.