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  | |