UNIDENTIFIED
VL286-AT
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI/Award/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J17 |
Turbo switch |
JP13 |
|
External battery |
J18 |
Reset switch |
JP14 |
|
Power LED & keylock |
J19 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Location | |
| » |
BIOS type select 27128 |
JP1 |
Open |
|
BIOS type select 27256 |
JP1 |
Closed | |
| » |
Monitor type select color |
JP2 |
Open |
|
Monitor type select monochrome |
JP2 |
Closed | |
| » |
ROM wait state select 1 |
JP7 |
Open |
|
ROM wait state select 2 |
JP7 |
Closed | |
| » |
DRAM wait states select 0 |
JP8 |
Closed |
|
DRAM wait state select 1 |
JP8 |
Open | |
| » |
Fast mode enabled |
JP9 |
Closed |
|
Fast mode disabled |
JP9 |
Open | |
| » |
CPU speed select switchable 6 or 12MHz |
JP15 |
Open |
|
CPU speed select switchable 8 or 12MHz |
JP15 |
Closed | |
| » |
Battery type select internal |
J22 |
Closed |
|
Battery type select external |
J22 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(18) 41256 |
NONE |
|
640KB |
(18) 41256 |
(18) 4164 |
|
1MB |
(18) 41256 |
(18) 41256 |
|
2MB |
(18) 411000 |
NONE |
|
4MB |
(18) 411000 |
(18) 411000 |
|
DRAM JUMPER CONFIGURATION | |||
|
Size |
JP10 |
JP11 |
JP12 |
|
512KB |
Closed |
Closed |
Closed |
|
640KB |
Closed |
Open |
Closed |
|
1MB |
Open |
Closed |
Closed |
|
2MB |
Open |
Open |
Closed |
|
4MB |
Closed |
Closed |
Open |