UNIDENTIFIED
ELT-286B-160G
Processor |
80286 |
Processor Speed |
16MHz |
Chip Set |
G-2 |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
AMI/Phoenix |
Dimensions |
220mm x 220mm |
I/O Options |
None |
NPU Options |
80287 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
J5 |
External battery |
J24 |
Power LED & keylock |
J18 |
Turbo switch |
J25 |
Speaker |
J19 |
Reset switch |
J30 |
Note:DRAM chip location and orientation on board is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
NPU mode select synchronous with CPU |
JNP |
pins 1 & 2 closed |
NPU mode select asynchronous with CPU |
JNP |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
JP3 |
pins 1 & 2 closed |
» |
BIOS type select 27256 |
JP9 |
pins 2 & 3 closed |
BIOS type select 27128 |
JP9 |
pins 1 & 2 closed | |
» |
CPU speed select switchable from keyboard |
J25 |
Open |
CPU speed select fast |
J25 |
Closed | |
» |
Monitor type select color |
SW1/1 |
On |
Monitor type select monochrome |
SW1/1 |
Off | |
» |
Factory test disabled (AMI BIOS only) |
SW1/2 |
Off |
Factory test enabled (AMI BIOS only) |
SW1/2 |
On |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB 2 |
(16) 41256 |
NONE |
NONE |
NONE |
512KB 1 |
NONE |
NONE |
(2) 256K x 9 |
NONE |
1MB 2 |
(16) 41256 |
(16) 41256 |
NONE |
NONE |
1MB 1 |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
1.5MB 2 |
(16) 41256 |
(16) 41256 |
(2) 256K x 9 |
NONE |
2MB 2 |
(16) 41256 |
(16) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
2MB 2 |
(16) 411000 |
NONE |
NONE |
NONE |
2MB 1 |
NONE |
NONE |
(1)1M x 9 |
NONE |
4MB 2 |
(16) 411000 |
(16) 411000 |
NONE |
NONE |
4MB 1 |
NONE |
NONE |
(1)1M x 9 |
(1)1M x 9 |
5MB 2 |
(16) 41256 |
(16) 41256 |
(1)1M x 9 |
(1)1M x 9 |
5MB 2 |
(16) 411000 |
(16) 411000 |
(2) 256K x 9 |
(2) 256K x 9 |
6MB 2 |
(16) 411000 |
(16) 411000 |
(1)1M x 9 |
NONE |
8MB 2 |
(16) 411000 |
(16) 411000 |
(1)1M x 9 |
(1)1M x 9 |
DRAM SWITCH CONFIGURATION | ||||
Size |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
512KB 2 |
Off |
Off |
Off |
Off |
512KB 1 |
Off |
Off |
Off |
Off |
1MB 2 |
On |
Off |
Off |
Off |
1MB 1 |
On |
Off |
Off |
Off |
1.5MB 2 |
Off |
On |
Off |
Off |
2MB 2 |
On |
On |
Off |
Off |
2MB 2 |
Off |
Off |
On |
Off |
2MB 1 |
Off |
Off |
On |
Off |
4MB 2 |
On |
Off |
On |
Off |
4MB 1 |
On |
Off |
On |
Off |
5MB 2 |
On |
On |
Off |
Off |
5MB 2 |
On |
On |
On |
Off |
6MB 2 |
Off |
Off |
On |
Off |
8MB 2 |
On |
On |
On |
Off |
DRAM SWITCH CONFIGURATION | |||||||
Size |
JP1 |
JP2 |
JP3 |
JP5 |
JP6 |
JP7 |
JP8 |
512KB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
512KB 1 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1MB 1 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1.5MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2MB 1 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
4MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
4MB 1 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
5MB 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
5MB 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
6MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
8MB 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |