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# ZENITH DATA SYSTEMS
Z-2300
Processor 80286
Processor Speed 8MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 6MB
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Riser slot
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| Speaker/LED | P506 | External battery | P509 |
|-----------------+----------+--------------------+----------|
| Power supply | P507 | Riser slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | P501 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 | None |
|------------+---------------+---------------+---------------|
| 1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
|------------+---------------+---------------+---------------|
| 2MB | (2) 1M x 9 | None | None |
|------------+---------------+---------------+---------------|
| 2.5MB | (2) 1M x 9 | (2) 256K x 9 | None |
|------------+---------------+---------------+---------------|
| 3MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 |
|------------+---------------+---------------+---------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | None |
|------------+---------------+---------------+---------------|
| 4.5MB | (2) 256K x 9 | (2) 1M x 9 | (2) 1M x 9 |
|------------+---------------+---------------+---------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J516 |
|----------------------------------------+-------------------|
| » | 256KB x 9 installed in banks 1 or | Pins 2 & 3 closed |
| | 2 | |
|---+------------------------------------+-------------------|
| | 1M x 9 installed in banks 1, 2 or | Pins 1 & 2 closed |
| | 3 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J505 |
|-----------------------------------+------------------------|
| | 8MHz | Pins 1 & 2 closed |
|---+-------------------------------+------------------------|
| | 80287 oscillator (not used) | Pins 3 & 4 closed |
|---+-------------------------------+------------------------|
| | 24MHz (not used)oscillator | Pins 5 & 6 closed |
|---+-------------------------------+------------------------|
| » | 16MHz oscillator | Pins 7 & 8 closed |
|---+-------------------------------+------------------------|
| | 14MHz oscillator | Pins 9 & 10 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT SELECTION |
|------------------------------------------------------------|
| Setting | J501 | J502 | J503 | J506 | J511 | J512 |
|--------------+-------+-------+-------+-------+------+------|
| » | Used as | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & | 1 & |
| | printer | | | | | 2 | 2 |
|---+----------+-------+-------+-------+-------+------+------|
| | Used as | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & |
| | scanner | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHIPSPAK IC SELECTION |
|------------------------------------------------------------|
| Unit | J504 |
|-----------------------------------+------------------------|
| » | 1 | Pins 1 & 2 closed |
|---+-------------------------------+------------------------|
| | 2 | Pins 3 & 4 closed |
|---+-------------------------------+------------------------|
| | 3 | Pins 5 & 6 closed |
|---+-------------------------------+------------------------|
| | 4 | Pins 7 & 8 closed |
|---+-------------------------------+------------------------|
| » | IBM printer compatibility | Pins 9 &10 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI TRIGGER SELECTION |
|------------------------------------------------------------|
| Setting | J510 |
|----------------------------+-------------------------------|
| » | Color video card | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | SCP control | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | Keyboard type | Pins 5 & 6, 7 & 8 closed |
|---+------------------------+-------------------------------|
| | NPU clock mode | Pins 9 &10 closed |
+------------------------------------------------------------+