UNIDENTIFIED
AT286
|
Processor |
80286 |
|
Processor Speed |
12/16MHz |
|
Chip Set |
Headland |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI/Award/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
JP6 |
Turbo LED |
T1 |
|
Power LED & keylock |
J20 |
Turbo switch |
T2 |
|
Speaker |
SP | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
NPU speed select 10MHz |
J21 |
pins 1 & 2 closed | |
|
NPU speed select 6MHz |
J21 |
pins 2 & 3 closed | |
|
Wait state select 0 |
0WS |
Closed | |
|
Wait state select 1 |
0WS |
Open | |
|
Monitor type select color |
DSP1/2 |
On | |
|
Monitor type select monochrome |
DSP1/2 |
Off | |
|
BIOS type select 27128 |
DSP1/5 |
On | |
|
BIOS type select 27256 |
DSP1/5 |
Off | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(18) 41256 |
NONE |
|
640KB |
(18) 41256 |
(18) 4164 |
|
1MB |
(18) 41256 |
(18) 41256 |
|
640KB + EMS (16KB x 24 pages) |
(18) 41256 |
(18) 41256 |
|
2MB |
(18) 411000 |
NONE |
|
640KB + EMS (16KB x 88 pages) |
(18) 411000 |
NONE |
|
4MB |
(18) 411000 |
(18) 411000 |
|
640KB + EMS (16KB x 216 pages) |
(18) 411000 |
(18) 411000 |
|
DRAM SWITCH CONFIGURATION | |||
|
Size |
DSP1/6 |
DSP1/7 |
DSP1/8 |
|
512KB |
On |
On |
On |
|
640KB |
On |
On |
Off |
|
1MB |
On |
Off |
On |
|
640KB + EMS (16KB x 24 pages) |
On |
Off |
Off |
|
2MB |
Off |
On |
On |
|
640KB + EMS (16KB x 88 pages) |
Off |
On |
Off |
|
4MB |
Off |
Off |
On |
|
640KB + EMS (16KB x 216 pages) |
Off |
Off |
Off |