PA286-SMT-12/16/20, PA286-SMT-12D/16D Motherboard Settings and Configuration

PEAKTRON COMPUTER, INC.

PA286-SMT-12/16/20, PA286-SMT-12D/16D

Processor
80286
Processor Speed
12/16/20MHz
Chip Set
Peaktron
Max. Onboard DRAM
16MB
Cache
None
BIOS
AMI
Dimensions
247mm x 220mm
I/O Options
None
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
J1
Turbo switch
J4
Speaker
J2
Reset switch
J5
Turbo LED
J3
External battery
J11

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Monitor type select monochrome
J6
Open

Monitor type select color
J6
Closed
»
CPU speed control select turbo switch
J9
Open

CPU speed control select keyboard controller pin 32
J9
pins 1 & 2 closed

CPU speed control select keyboard controller pin 23
J9
pins 2 & 3 closed
»
NPU mode select synchronous with CPU
J12
pins 2 & 3 closed

NPU mode select asynchronous with CPU
J12
pins 1 & 2 closed
»
Bus speed select ATCLK/2
SW1/jumper 1
Open

Bus speed select ATCLK/3
SW1/jumper 1
Closed
»
Parity check enabled
SW1/jumper 2
Closed

Parity check disabled
SW1/jumper 2
Open
»
DRAM select 0 wait states
SW1/jumper 3
Closed

DRAM select 1 wait state
SW1/jumper 3
Open
»
Shadow BIOS ROM disabled
SW1/jumper 4
Closed

Shadow BIOS ROM enabled
SW1/jumper 4
Open

DRAM CONFIGURATION
Size
Bank 0
P-0
Bank 1
P-1
Bank 2
Bank 3
512KB
(4) 44256
(2) 41256
NONE
NONE
NONE
NONE
512KB
NONE
NONE
NONE
NONE
(2) 256K x 9
NONE
1MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
NONE
NONE
1MB
NONE
NONE
NONE
NONE
(2) 256K x 9
(2) 256K x 9
1.5MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 256K x 9
NONE
2MB
(4) 441000
(2) 411000
NONE
NONE
NONE
NONE
2MB
NONE
NONE
NONE
NONE
(2) 1M x 9
NONE
3MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 1M x 9
NONE
4MB
(4) 441000
(2) 411000
(4) 441000
(2) 411000
NONE
NONE
4MB
NONE
NONE
NONE
NONE
(2) 1M x 9
(2) 1M x 9
6MB
(4) 441000
(2) 411000
(4) 441000
(2) 411000
(2) 1M x 9
NONE
8MB
NONE
NONE
NONE
NONE
(2) 4M x 9
NONE
16MB
NONE
NONE
NONE
NONE
(2) 4M x 9
(2) 4M x 9

DRAM JUMPER CONFIGURATION
Size
SW1/5
SW1/6
SW1/7
SW1/8
J7
J8
512KB
Open
Closed
Open
Open
Open
Open
512KB
Open
Closed
Open
Open
2 & 3
1 & 2
1MB
Open
Closed
Open
Closed
Open
Open
1MB
Open
Closed
Open
Closed
2 & 3
1 & 2
1.5MB
Open
Open
Closed
Open
1 & 2
2 & 3
2MB
Closed
Open
Open
Open
Open
Open
2MB
Closed
Open
Open
Open
2 & 3
1 & 2
3MB
Open
Closed
Closed
Open
1 & 2
2 & 3
4MB
Closed
Open
Open
Closed
Open
Open
4MB
Closed
Open
Open
Closed
2 & 3
1 & 2
6MB
Closed
Open
Closed
Open
1 & 2
2 & 3
8MB
Closed
Closed
Open
Open
2 & 3
1 & 2
16MB
Closed
Closed
Open
Closed
2 & 3
1 & 2
Note: Pins designated should be in the closed position.

BIOS CONFIGURATION
Size
JP1
JP10
27256
pins 1 & 2 closed
Open
27512
pins 2 & 3 closed
Closed

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PA286-SMT-12/16/20, PA286-SMT-12D/16D Motherboard Settings and Configuration

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Processor	80286
Processor Speed	12/16/20MHz
Chip Set	Peaktron
Max. Onboard DRAM	16MB
Cache	None
BIOS	AMI
Dimensions	247mm x 220mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Turbo switch	J4
Speaker	J2	Reset switch	J5
Turbo LED	J3	External battery	J11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	J6	Open
	Monitor type select color	J6	Closed
»	CPU speed control select turbo switch	J9	Open
	CPU speed control select keyboard controller pin 32	J9	pins 1 & 2 closed
	CPU speed control select keyboard controller pin 23	J9	pins 2 & 3 closed
»	NPU mode select synchronous with CPU	J12	pins 2 & 3 closed
	NPU mode select asynchronous with CPU	J12	pins 1 & 2 closed
»	Bus speed select ATCLK/2	SW1/jumper 1	Open
	Bus speed select ATCLK/3	SW1/jumper 1	Closed
»	Parity check enabled	SW1/jumper 2	Closed
	Parity check disabled	SW1/jumper 2	Open
»	DRAM select 0 wait states	SW1/jumper 3	Closed
	DRAM select 1 wait state	SW1/jumper 3	Open
»	Shadow BIOS ROM disabled	SW1/jumper 4	Closed
	Shadow BIOS ROM enabled	SW1/jumper 4	Open

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1	Bank 2	Bank 3
512KB	(4) 44256	(2) 41256	NONE	NONE	NONE	NONE
512KB	NONE	NONE	NONE	NONE	(2) 256K x 9	NONE
1MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
1MB	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 256K x 9
1.5MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 256K x 9	NONE
2MB	(4) 441000	(2) 411000	NONE	NONE	NONE	NONE
2MB	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
3MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 1M x 9	NONE
4MB	(4) 441000	(2) 411000	(4) 441000	(2) 411000	NONE	NONE
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9
6MB	(4) 441000	(2) 411000	(4) 441000	(2) 411000	(2) 1M x 9	NONE
8MB	NONE	NONE	NONE	NONE	(2) 4M x 9	NONE
16MB	NONE	NONE	NONE	NONE	(2) 4M x 9	(2) 4M x 9

DRAM JUMPER CONFIGURATION
Size	SW1/5	SW1/6	SW1/7	SW1/8	J7	J8
512KB	Open	Closed	Open	Open	Open	Open
512KB	Open	Closed	Open	Open	2 & 3	1 & 2
1MB	Open	Closed	Open	Closed	Open	Open
1MB	Open	Closed	Open	Closed	2 & 3	1 & 2
1.5MB	Open	Open	Closed	Open	1 & 2	2 & 3
2MB	Closed	Open	Open	Open	Open	Open
2MB	Closed	Open	Open	Open	2 & 3	1 & 2
3MB	Open	Closed	Closed	Open	1 & 2	2 & 3
4MB	Closed	Open	Open	Closed	Open	Open
4MB	Closed	Open	Open	Closed	2 & 3	1 & 2
6MB	Closed	Open	Closed	Open	1 & 2	2 & 3
8MB	Closed	Closed	Open	Open	2 & 3	1 & 2
16MB	Closed	Closed	Open	Closed	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

BIOS CONFIGURATION
Size	JP1	JP10
27256	pins 1 & 2 closed	Open
27512	pins 2 & 3 closed	Closed