PPM-1631D(S)/2031D(S)/2531D(S) Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20/25MHz
Chip Set	DTK
Max. Onboard DRAM	5MB
Cache	None
BIOS	DTK/AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J2	Turbo LED	J5
Turbo switch	J3	Reset switch	J6
Speaker	J4	External battery	J7

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	BIOS type select 27256	W7	pins 1 & 2 closed
	BIOS type select 27128	W7	pins 2 & 3 closed
»	NPU disabled	W8	Closed
	NPU enabled	W8	Open
»	NPU mode select synchronous with CPU	W10	Open
	NPU mode select asynchronous with CPU	W10	Closed
»	Battery type select internal	W11	pins 2 & 3 closed
	Battery type select external	W11	pins 1 & 2 closed
»	Monitor type select monochrome	W12	pins 1 & 2 closed
	Monitor type select color	W12	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1	Bank 2	Bank 3
512KB 1	(4) 44256	(2) 4464	NONE	NONE	NONE	NONE
640KB 1	(4) 44256	(2) 4464	(4) 41256	(2) 4164	NONE	NONE
1MB 1	(4) 44256	(2) 4464	(4) 44256	(2) 4464	NONE	NONE
1.5MB 2	(4) 44256	(2) 4464	(4) 41256	(2) 4164	(2) 256K x 9	NONE
2MB 2	(4) 44256	(2) 4464	(4) 44256	(2) 4464	(2) 256K x 9	(2) 256K x 9
2MB 1	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
3MB 2	(4) 44256	(2) 4464	(4) 44256	(2) 4464	(2) 1M x 9	NONE
4MB 1	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9
5MB 2	(4) 44256	(2) 4464	(4) 44256	(2) 4464	(2) 1M x 9	(2) 1M x 9

DRAM JUMPER CONFIGURATION
Size	W1	W2	W3	W4	W5	W6
512KB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
640KB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1.5MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
2MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
2MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
3MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
4MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
5MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note:Pins designated should be in the closed position.