TEXT View Source
# PC'S LIMITED, INC.
28608L/AT122
Processor 80286
Processor Speed 10MHz
Chip Set C & T
Max. Onboard DRAM 1MB
Cache None
BIOS PC's Ltd.
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | J2 | External battery | J4 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J3 | Reset switch | J9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|----------------------------------------+--------+----------|
| » | Monitor type select color | SW1/1 | On |
|---+------------------------------------+--------+----------|
| | Monitor type select monochrome | SW1/1 | Off |
|---+------------------------------------+--------+----------|
| » | Green display LED indicates CPU | SW1/2 | On |
| | speed (on = fast) | | |
|---+------------------------------------+--------+----------|
| | Green display LED indicates power | SW1/2 | Off |
| | on | | |
|---+------------------------------------+--------+----------|
| » | BIOS type select 27256 | SW1/3 | On |
|---+------------------------------------+--------+----------|
| | BIOS type select 27128 | SW1/3 | Off |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | SW1/4 | Off |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | SW1/5 | Off |
|---+------------------------------------+--------+----------|
| » | 1024 DRAM split as 512K base, 512K | SW1/6 | Off |
| | extended | | |
|---+------------------------------------+--------+----------|
| | 1024 DRAM split as 640K base, 384K | SW1/6 | On |
| | extended | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 256KB | (9) 41256 | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 512KB | (9) 41256 | (9) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
|--------+------------+------------+------------+------------|
| 1MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/7 | SW1/8 |
|--------------------+-------------------+-------------------|
| 256KB | On | Off |
|--------------------+-------------------+-------------------|
| 512KB | On | open |
|--------------------+-------------------+-------------------|
| 640KB | Off | Off |
|--------------------+-------------------+-------------------|
| 1MB | Off | open |
+------------------------------------------------------------+