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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Turbo LED | J5 | External battery | J24 |
|------------------+----------+-------------------+----------|
| Power LED & | J18 | Turbo switch | J25 |
| keylock | | | |
|------------------+----------+-------------------+----------|
| 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 | JNP | pins 1 & 2 |
| | synchronous with CPU | | closed |
|---+---------------------------+---------------+------------|
| | NPU mode select | JNP | pins 2 & 3 |
| | asynchronous with CPU | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | JP3 | pins 1 & 2 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | BIOS type select 27256 | JP9 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | BIOS type select 27128 | JP9 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | CPU speed select | J25 | Open |
| | switchable from keyboard | | |
|---+---------------------------+---------------+------------|
| | CPU speed select fast | J25 | Closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | SW1/1 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/1 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | Factory test disabled | SW1/2 | Off |
| | (AMI BIOS only) | | |
|---+---------------------------+---------------+------------|
| | Factory test enabled (AMI | SW1/2 | On |
| | BIOS only) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | NONE |
| | | | 9 | |
|---------+------------+------------+------------+-----------|
| 1MB 2 | (16) 41256 | (16) 41256 | NONE | NONE |
|---------+------------+------------+------------+-----------|
| 1MB 1 | NONE | NONE | (2) 256K x | (2) 256K |
| | | | 9 | x 9 |
|---------+------------+------------+------------+-----------|
| 1.5MB 2 | (16) 41256 | (16) 41256 | (2) 256K x | NONE |
| | | | 9 | |
|---------+------------+------------+------------+-----------|
| 2MB 2 | (16) 41256 | (16) 41256 | (2) 256K x | (2) 256K |
| | | | 9 | x 9 |
|---------+------------+------------+------------+-----------|
| 2MB 2 | (16) | NONE | NONE | NONE |
| | 411000 | | | |
|---------+------------+------------+------------+-----------|
| 2MB 1 | NONE | NONE | (1)1M x 9 | NONE |
|---------+------------+------------+------------+-----------|
| 4MB 2 | (16) | (16) | NONE | NONE |
| | 411000 | 411000 | | |
|---------+------------+------------+------------+-----------|
| 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) | (16) | (2) 256K x | (2) 256K |
| | 411000 | 411000 | 9 | x 9 |
|---------+------------+------------+------------+-----------|
| 6MB 2 | (16) | (16) | (1)1M x 9 | NONE |
| | 411000 | 411000 | | |
|---------+------------+------------+------------+-----------|
| 8MB 2 | (16) | (16) | (1)1M x 9 | (1)1M x 9 |
| | 411000 | 411000 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| 2 | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 512KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 1 & | 1 & | 1 & |
| 1 | | | | 2 | 2 | 2 | 2 |
|--------+-------+-------+-------+------+------+------+------|
| 1MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 1MB 1 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 1 & | 1 & | 1 & |
| | | | | 2 | 2 | 2 | 2 |
|--------+-------+-------+-------+------+------+------+------|
| 1.5MB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| 2 | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 2MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 2MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 2MB 1 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 1 & | 1 & | 1 & |
| | | | | 2 | 2 | 2 | 2 |
|--------+-------+-------+-------+------+------+------+------|
| 4MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 4MB 1 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 1 & | 1 & | 1 & |
| | | | | 2 | 2 | 2 | 2 |
|--------+-------+-------+-------+------+------+------+------|
| 5MB 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 5MB 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 6MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
|--------+-------+-------+-------+------+------+------+------|
| 8MB 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3 | 3 |
+------------------------------------------------------------+