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 |