PTM-1630 Motherboard Settings and Configuration

Processor	80286 (exact location unknown)
Processor Speed	16MHz
Chip Set	Unidentified
Max. Onboard DRAM	1MB
Cache	None
BIOS	DTK
Dimensions	330mm x 218mm
I/O Options	Local memory slot
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Local memory slot	CN1	Turbo LED	J5
Reset switch	J1	Power LED & keylock	J6
Speaker	J2	Turbo switch	W11
External battery	J3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Local memory wait state select 0 wait states	W3	Closed
	Local memory wait state select 1 wait state	W3	Open
	BIOS wait state select 2 wait states	W4	Open
	BIOS wait state select 1 wait state	W4	Closed
	BIOS type select 27128	W8	pins 2 & 3 closed
	BIOS type select 27256	W8	pins 1 & 2 closed
	Battery type select internal	W9	Open
	Battery type select external	W9	Closed
	Monitor type select monochrome	W10	pins 1 & 2 closed
	Monitor type select color	W10	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(9) 41256	(9) 41256	NONE	NONE
640KB	(9) 41256	(9) 41256	(9) 4164	(9) 4164
1MB	(9) 41256	(9) 41256	(9) 41256	(9) 41256

DRAM JUMPER CONFIGURATION
Size	W6	W7
512KB	Closed	Closed
640KB	Closed	Open
1MB	Open	Closed

DRAM SPEED CONFIGURATION
DRAM speed	Speed	W5
120ns	16MHz/0 ws	Open
100ns	12MHz/0 ws	pins 1 & 2, 3 & 4, 5 & 6 closed
80ns	16MHz/1 ws	pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
60ns	12MHz/1 ws	pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed

NPU SPEED CONFIGURATION
Speed	W1	W2
6MHz	pins 2 & 3 closed	pins 1 & 2 closed
8MHz	pins 1 & 2 closed	pins 3 & 4 closed
10MHz	pins 2 & 3 closed	pins 5 & 6 closed