UNIDENTIFIED
12MHZ 286 TURBO
|
Processor |
80286 (exact location unidentified) |
|
Processor Speed |
10/12MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI/Award/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287(exact location unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J23 |
Reset switch |
CN23 |
|
Turbo switch |
CN20 |
Power LED & keylock |
CN24 |
|
Turbo LED |
CN22 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
J3 |
Closed | |
|
Monitor type select monochrome |
J3 |
Open | |
|
Wait state select 0 wait states |
J4 |
Closed | |
|
Wait state select 1 wait state |
J4 |
Open | |
|
DRAM CONFIGURATION | |||||
|
Size |
Bank 0 |
Bank 0A |
Bank 0B |
Bank 1 |
Bank 1A |
|
512KB |
(8) 41256 |
NONE |
NONE |
(8) 41256 |
NONE |
|
512KB |
NONE |
(2) 44256 |
NONE |
NONE |
(2) 44256 |
|
640KB |
(8) 41256 |
NONE |
NONE |
(8) 41256 |
NONE |
|
640KB |
NONE |
(2) 44256 |
NONE |
NONE |
(2) 44256 |
|
1MB |
(8) 41256 |
NONE |
NONE |
(8) 41256 |
NONE |
|
1MB |
NONE |
(2) 44256 |
NONE |
NONE |
(2) 44256 |
|
2MB |
(9) 411000 |
NONE |
NONE |
(9) 411000 |
NONE |
|
4MB |
(9) 411000 |
NONE |
NONE |
(9) 411000 |
NONE |
|
DRAM CONFIGURATION (CONT) | |||||
|
Size |
Bank 1B |
Bank 2 |
Bank 2A |
Bank 3 |
Bank 3A |
|
512KB |
NONE |
NONE |
NONE |
NONE |
NONE |
|
512KB |
NONE |
NONE |
NONE |
NONE |
NONE |
|
640KB |
NONE |
(8) 4164 |
NONE |
(8) 4164 |
NONE |
|
640KB |
NONE |
NONE |
(2) 4464 |
NONE |
(2) 4464 |
|
1MB |
NONE |
(8) 41256 |
NONE |
(8) 41256 |
NONE |
|
1MB |
NONE |
NONE |
(2) 44256 |
NONE |
(2) 44256 |
|
2MB |
NONE |
NONE |
NONE |
NONE |
NONE |
|
4MB |
NONE |
(9) 411000 |
NONE |
(9) 411000 |
NONE |
|
Note: See table below for parity configuration. | |||||
|
DRAM PARITY CONFIGURATION | ||||
|
Size |
P 0 |
P 1 |
P 2 |
P 3 |
|
512KB |
(1) 41256 |
(1) 41256 |
NONE |
NONE |
|
512KB |
NONE |
NONE |
NONE |
NONE |
|
640KB |
(1) 41256 |
(1) 41256 |
(1) 4164 |
(1) 4164 |
|
640KB |
NONE |
NONE |
NONE |
NONE |
|
1MB |
(1) 41256 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
|
1MB |
NONE |
NONE |
NONE |
NONE |
|
2MB |
NONE |
NONE |
NONE |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
|
DRAM CONFIGURATION (SIMM) | ||
|
Size |
Bank 0B |
Bank 1B |
|
512KB |
(2) 256K x 9 |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM JUMPER CONFIGURATION | |||
|
Size |
J6 |
J7 |
J8 |
|
512KB |
Closed |
Closed |
Closed |
|
640KB |
Closed |
Closed |
Open |
|
1MB |
Closed |
Open |
Closed |
|
2MB |
Closed |
Open |
Open |
|
4MB |
Open |
Closed |
Closed |