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 | 
 
| 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 alter | P501 | Unidentified | 
| 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 2 | Pins 2 & 3 closed | 
| 1M x 9 installed in banks 1, 2 or 3 | Pins 1 & 2 closed | |
| 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 printer | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| Used as scanner | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 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 | |