PEAKTRON COMPUTER, INC.
PA386SX-SMT-16/20/25
PA286-SMT-12/16/20/25
|
Processor |
80286/80386SX |
|
Processor Speed |
12/16/20/25MHz |
|
Chip Set |
Peaktron |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
248mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287/80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
Speaker |
J4 |
|
Turbo switch |
J2 |
Power LED & Keylock |
J5 |
|
Turbo LED |
J3 |
External battery |
JP1 |
|
Note:Motherboard is supplied with either an 80386SX & 80387SX socket or an 80286 & 80287 socket. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Monitor type select monochrome |
J7 |
open | |
|
Monitor type select color |
J7 |
closed | |
|
NPU mode select synchronous with OSC1 |
J11 |
pins 2 & 3 closed | |
|
NPU mode select synchronous with oscillator at U49 |
J11 |
pins 1 & 2 closed | |
|
Bus speed select ATCLK/2 |
SW1/1 |
Off | |
|
Bus speed select ATCLK/3 |
SW1/1 |
On | |
|
Parity check enabled |
SW1/2 |
On | |
|
Parity check disabled |
SW1/2 |
Off | |
|
Shadow ram disabled |
SW1/4 |
On | |
|
Shadow ram enabled |
SW1/4 |
Off | |
|
Note:Socket at U49 may not be available on all boards. If 8 bit SIMM/SIPPs are used, SW1/switch 2 must be open, otherwise it must be closed. | |||
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
P - 0 |
P - 1 |
|
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
(2) 41256 |
NONE |
|
512KB |
NONE |
NONE |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
(2) 41256 |
(2) 41256 |
|
1MB |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
1.5MB |
(4) 44256 |
(4) 44256 |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 441000 |
NONE |
NONE |
NONE |
(2) 411000 |
NONE |
|
2MB |
NONE |
NONE |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
3MB |
(4) 44256 |
(4) 44256 |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
4MB |
(4) 441000 |
(4) 441000 |
NONE |
NONE |
(2) 411000 |
(2) 411000 |
|
4MB |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
5MB |
(4) 44256 |
(4) 44256 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
6MB |
(4) 441000 |
(4) 441000 |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
8MB |
NONE |
NONE |
(2) 4M x 9 |
NONE |
NONE |
NONE |
|
16MB |
NONE |
NONE |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
DRAM JUMPER/SWITCH CONFIGURATION | ||||||
|
Size |
J8 |
J9 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
512KB |
2 & 3 |
1 & 2 |
Off |
On |
Off |
Off |
|
512KB |
1 & 2 |
2 & 3 |
Off |
On |
Off |
Off |
|
1MB |
2 & 3 |
1 & 2 |
Off |
On |
Off |
On |
|
1MB |
1 & 2 |
2 & 3 |
Off |
On |
Off |
On |
|
1.5MB |
2 & 3 |
1 & 2 |
Off |
Off |
On |
Off |
|
2MB |
2 & 3 |
1 & 2 |
On |
Off |
Off |
Off |
|
2MB |
1 & 2 |
2 & 3 |
On |
Off |
Off |
Off |
|
3MB |
2 & 3 |
1 & 2 |
Off |
On |
On |
On |
|
4MB |
2 & 3 |
1 & 2 |
On |
Off |
Off |
On |
|
4MB |
1 & 2 |
2 & 3 |
On |
Off |
Off |
On |
|
5MB |
2 & 3 |
1 & 2 |
Off |
On |
On |
On |
|
6MB |
2 & 3 |
1 & 2 |
On |
Off |
On |
Off |
|
8MB |
1 & 2 |
2 & 3 |
On |
On |
Off |
Off |
|
16MB |
1 & 2 |
2 & 3 |
On |
On |
Off |
On |
|
Note:Pins designated should be in the closed position. | ||||||
|
BIOS CONFIGURATION | ||
|
Size |
J10 |
J12 |
|
27256 |
pins 1 & 2 closed |
Open |
|
27512 |
pins 2 & 3 closed |
Closed |