FUJIKAMA USA, INC.
286 AT TURBO MAINBOARD
|
Processor |
80286 |
|
Processor Speed |
8/16MHz |
|
Chip Set |
Undentified |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
240mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
CN2 |
Turbo LED |
JP1 |
|
Power LED & keylock |
CN3 |
Turbo switch |
JP2 |
|
External battery |
CN5 |
Reset switch |
JP4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
HDR1 |
pins 1 & 2 closed |
|
CMOS memory clear |
HDR1 |
pins 3 & 4 closed | |
|
|
BIOS type select 27256 |
JP3 |
pins 2 & 3 closed |
|
BIOS type select 27128 |
JP3 |
pins 1 & 2 closed | |
|
|
Power good signal detect from board |
JP5 |
pins 1 & 2 closed |
|
Power good signal detect from power supply |
JP5 |
pins 2 & 3 closed | |
|
|
Clock speed control external switch |
JP6 |
pins 1 & 2 closed |
|
Clock speed control keyboard |
JP6 |
pins 2 & 3 closed | |
|
|
Parity check enabled |
SW1/1 |
On |
|
Parity check disabled |
SW1/1 |
Off | |
|
|
Shadow RAM disabled |
SW1/2 |
On |
|
Shadow RAM enabled |
SW1/2 |
Off | |
|
|
RAM wait state select 1 wait state |
SW1/3 |
Off |
|
RAM wait state select 0 wait states |
SW1/3 |
On | |
|
|
ROM wait state select 3 wait states |
SW1/4 |
Off |
|
ROM wait state select 2 wait states |
SW1/4 |
On | |
|
|
Monitor type select monochrome |
SW1/7 |
Off |
|
Monitor type select color |
SW1/7 |
On | |
|
|
Factory configured - do not alter |
SW1/8 |
Off |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Parity 0 |
Bank 1 |
Parity 1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
640KB |
(4) 44256 |
(2) 41256 |
(4) 4464 |
(2) 4164 |
NONE |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM SWITCH CONFIGURATION | ||
|
Size |
SW1/5 |
SW1/6 |
|
512KB |
On |
On |
|
640KB |
On |
Off |
|
1MB |
On |
Off |
|
2MB |
Off |
On |
|
4MB |
Off |
Off |