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# EPSON, INC.
EQUITY 386/20
Processor 80386
Processor Speed 20MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 16MB (located external memory card)
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Power LED/keylock | CN2 | Power supply | CN5 |
| & speaker | | connector | |
|--------------------+----------+-----------------+----------|
| External battery | CN3 | Power supply | CN6 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| Auxiliary keyboard | CN4 | External memory | SL1 |
| connector | | slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------+-----------+--------------|
| | BIOS type select 27256 | J3P1 | Unidentified |
|---+-----------------------------+-----------+--------------|
| | BIOS type select 27128 | J3P1 | Unidentified |
|---+-----------------------------+-----------+--------------|
| | NPU not installed | J3P2 | Open |
|---+-----------------------------+-----------+--------------|
| | NPU installed | J3P2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | None | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | None | None |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: The memory is located on an external memory card. |
+------------------------------------------------------------+