UNIDENTIFIED
YL-A09S/YL-A09H
Processor |
80286 |
Processor Speed |
16MHz |
Chip Set |
Headland |
Max. Onboard DRAM |
5MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80287 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP1 |
Reset switch |
JP8 |
Power LED & keylock |
JP6 |
Turbo LED |
JP9 |
Speaker |
JP7 |
Turbo switch |
JP10 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
Internal delay select GC113 |
F13 |
pins 2 & 3 closed | |
Internal delay select GC103 |
F13 |
pins 1 & 2 closed | |
» |
Factory configured - do not alter |
JP5 |
N/A |
BIOS type select 27128 |
JP13 |
pins 1 & 2 closed | |
BIOS type select 27256 |
JP13 |
pins 2 & 3 closed | |
» |
NPU mode select synchronous with CPU |
JP14 |
pins 2 & 3 closed |
NPU mode select synchronous with oscillator installed at Y3 |
JP14 |
pins 1 & 2 closed | |
» |
Parity check enabled |
JP15 |
pins 1 & 2 closed |
Parity check disabled |
JP15 |
pins 2 & 3 closed | |
» |
Monitor type select color |
SW1/5 |
On |
Monitor type select monochrome |
SW1/5 |
Off | |
» |
Shadow RAM enabled |
SW1/6 |
Off |
Shadow RAM disabled |
SW1/6 |
On | |
» |
Bus speed select fast |
SW1/7 |
Off |
Bus speed select slow |
SW1/7 |
On |
DRAM CONFIGURATION | ||||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
Bank 5 |
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
NONE |
NONE |
512KB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
NONE |
NONE |
1MB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
1.5MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
NONE |
1.5MB |
NONE |
NONE |
(4) 44256 |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
2MB |
NONE |
NONE |
(4) 44256 |
(4) 44256 |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
5MB |
NONE |
NONE |
(4) 44256 |
(4) 44256 |
(2) 1M x 9 |
(2) 1M x 9 |
Note:Locations of Banks 0, 1, 2, & 3 are unidentified. |
DRAM JUMPER/SWITCH CONFIGURATION | ||||||
Size |
JP11 |
JP12 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
512KB |
2 & 3, 5 & 6, 8 & 9 |
2 & 3, 5 & 6, 8 & 9 |
On |
Off |
Off |
Off |
512KB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
On |
Off |
Off |
Off |
1MB |
2 & 3, 5 & 6, 8 & 9 |
2 & 3, 5 & 6, 8 & 9 |
Off |
On |
Off |
Off |
1MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
Off |
On |
Off |
Off |
1.5MB |
2 & 3, 5 & 6, 8 & 9 |
2 & 3, 5 & 6, 8 & 9 |
Off |
Off |
On |
Off |
1.5MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
Off |
Off |
On |
Off |
2MB |
2 & 3, 5 & 6, 8 & 9 |
2 & 3, 5 & 6, 8 & 9 |
Off |
On |
On |
Off |
2MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
Off |
On |
On |
Off |
2MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
Off |
Off |
Off |
On |
4MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
Off |
On |
Off |
On |
5MB |
1 & 2, 4 & 5, 7 & 8 |
1 & 2, 4 & 5, 7 & 8 |
On |
On |
On |
On |
Note:Pins designated should be in the closed postion |