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# UNIDENTIFIED
DIGIS-286S AT TURBO
Processor 80286
Processor Speed 6/8/10MHz
Chip Set Unidentified
Max. Onboard DRAM 1MB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Speaker | J1 | Power LED & | J8 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo switch | J4 | Serial port | J11 |
|------------------+----------+-------------------+----------|
| Turbo LED | J5 | External battery | J12 |
|------------------+----------+-------------------+----------|
| Power LED & | J8 | Reset switch | J14 |
| keylock | | | |
|------------------------------------------------------------|
| Note: Either J8 may be used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|--------------------------------------+--------+------------|
| » | ROM chip installed | J2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | EPROM chip installed | J2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27128 | J3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27256 | J3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Turbo disabled | J4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Turbo enabled | J4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Wait state select 0 wait states | J6 | Closed |
|---+----------------------------------+--------+------------|
| | Wait state select 1 wait state | J6 | Open |
|---+----------------------------------+--------+------------|
| » | Power supply type select AT | J13 | pins 2 & 3 |
| | power | | closed |
|---+----------------------------------+--------+------------|
| | Power supply type select XlT | J13 | pins 1 & 2 |
| | power | | closed |
|---+----------------------------------+--------+------------|
| » | Serial port enabled | J15 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Serial port disabled | J15 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | SW1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | SW1 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (18) 4164 | (18) 4164 |
|------------------+--------------------+--------------------|
| 512KB | (18) 41256 | NONE |
|------------------+--------------------+--------------------|
| 640KB | (18) 41256 | (18) 4164 |
|------------------+--------------------+--------------------|
| 1MB | (18) 41256 | (18) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J9 |
|----------------------------+-------------------------------|
| 256KB | pins 2 & 3, 5 & 6 closed |
|----------------------------+-------------------------------|
| 512KB | pins 2 & 3, 4 & 5 closed |
|----------------------------+-------------------------------|
| 640KB | pins 1 & 2, 5 & 6 closed |
|----------------------------+-------------------------------|
| 1MB | pins 1 & 2, 4 & 5 closed |
+------------------------------------------------------------+