PEM-2501/3301 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25/33MHz
Chip Set	DTK
Max. Onboard DRAM	8MB
Cache	64/256KB
BIOS	AMI
Dimensions	356mm x 304mm
I/O Options	32-bit memory expansion slot
NPU Options	80387SX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Speaker	J4
Turbo LED	J2	32-bit memory expansion slot	S1
Reset switch	J3

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	NPU enabled	W1	Open
	NPU disabled	W1	Closed
»	Turbo mode enabled	W6	pins 1 & 2 closed
	Turbo mode disabled	W6	pins 2 & 3 closed
»	BIOS type select 27256	W7	pins 1 & 2 closed
	BIOS type select 27512	W7	pins 2 & 3 closed
»	Monitor type select color	SW1/switch 6	On
	Monitor type select monochrome	SW1/switch 6	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	W2	W3
1MB	(4) 256K x 9	NONE	On	On	On	On	On	2 & 3	2 & 3
2MB	(4) 256K x 9	(4) 256K x 9	On	On	On	On	On	2 & 3	2 & 3
4MB	(4) 1M x 9	NONE	On	On	Off	On	Off	1 & 2	1 & 2
5MB	(4) 256K x 9	(4) 1M x 9	Off	On	Off	Off	On	2 & 3	1 & 2
8MB	(4) 1M x 9	(4) 1M x 9	Off	On	Off	Off	Off	1 & 2	1 & 2
NotePins designated should be in the closed position.

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 16K x 4	(4) 16K x 4	(1) 8K X 8
256KB	(4) 64K x 4	(4) 64K x 4	(1) 8K X 8

CACHE JUMPER CONFIGURATION
Size	W4	W5
64KB	pins 1 & 2 closed	pins 2 & 3 closed
256KB	pins 1 & 2 closed	pins 2 & 3 closed