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# EPSON, INC.
EQUITY 286 PLUS
Processor 80286
Processor Speed 12MHz
Chip Set VLSI TOPCAT
Max. Onboard 5MB
DRAM
Cache None
BIOS AMI/Epson
Dimensions 3O4mm x 272mm
I/O Options Bus mouse port, floppy drive interface, IDE
interface, parallel port, serial port, VGA
port
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | CN1 | IDE interface | CN9 |
|-------------------+----------+------------------+----------|
| Serial port | CN2 | Floppy drive | CN10 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Hard disk access | CN11 |
| | | LED | |
|-------------------+----------+------------------+----------|
| CPU speed/disk | CN5 | Power LED | CN12 |
| access LED | | | |
|-------------------+----------+------------------+----------|
| Bus mouse port | CN7 | Speaker | CN13 |
|-------------------+----------+------------------+----------|
| VGA adapter | CN8 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | NPU speed select 10MHz | J2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | NPU speed select 8MHz | J2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Bus mouse port enabled | J4 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Bus mouse port disabled | J4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | J5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J5 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Password enabled | J6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Password disabled | J6 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 |
|------------+---------------+---------------+---------------|
| 1MB | NONE | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1.5MB | (2) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (2) 256K x 9 | (2) 256K x 9 | NONE |
|------------+---------------+---------------+---------------|
| 3MB | (2) 1M x 9 | (2) 256K x 9 | (2) 256K x 9 |
|------------+---------------+---------------+---------------|
| 5MB | (2) 1M x 9 | (2) 256K x 9 | (2) 256K x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Function | J1 | J3 |
|------------------+--------------------+--------------------|
| Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Enabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+