ZENITH DATA SYSTEMS
Z-286LP
| 
 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  | 
 Parallel port, serial ports (2), riser slot  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port  | 
 CN1  | 
 Serial port 1  | 
 CN3  | 
| 
 Serial port 2  | 
 CN2  | 
 Riser slot  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter (1 I/O card installed)  | 
 J504/pins 1 & 2  | 
 Closed  | 
| 
 »  | 
 Factory configured - do not alter (IBM printer compatibility)  | 
 J504/pins 9 & 10  | 
 Closed  | 
| 
 Monitor type select color  | 
 J510/pins 1 & 2  | 
 Closed  | |
| 
 Monitor type select monochrome  | 
 J510/pins 1 & 2  | 
 Open  | |
| 
 »  | 
 Factory configured - do not alter (SCP enabled)  | 
 J510/pins 3 & 4  | 
 Closed  | 
| 
 »  | 
 Factory configured - do not alter (NPU duty cycle)  | 
 J510/pins 9 & 10  | 
 Closed  | 
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 None  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 None  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
| 
 6MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 DRAM JUMPER CONFIGURATION  | |
| 
 Size  | 
 J516  | 
| 
 1MB  | 
 Pins 2 & 3 closed  | 
| 
 2MB  | 
 Pins 1 & 2 closed  | 
| 
 3MB  | 
 Pins 2 & 3 closed  | 
| 
 6MB  | 
 Pins 1 & 2 closed  | 
| 
 NPU SPEED SELECTION  | ||
| 
 Speed  | 
 Oscillator  | 
 J505  | 
| 
 5MHz  | 
 16MHz  | 
 Pins 7 & 8 closed  | 
| 
 5MHz  | 
 14MHz  | 
 Pins 9 & 10 closed  | 
| 
 8MHz  | 
 24MHz  | 
 Pins 5 & 6 closed  | 
| 
 8MHz  | 
 16MHz  | 
 Pins 7 & 8 closed  | 
| 
 10MHz  | 
 30MHz  | 
 Pins 3 & 4 closed  | 
| 
 10MHz  | 
 20MHz  | 
 Pins 3 & 4 closed  | 
| 
 10MHz  | 
 24MHz  | 
 Pins 5 & 6 closed  | 
| 
 12MHz  | 
 24MHz  | 
 Pins 5 & 6 closed  | 
| 
 PARALLEL PORT SELECTION  | ||||||
| 
 Setting  | 
 J501  | 
 J502  | 
 J503  | 
 J506  | 
 J511  | 
 J512  | 
| 
 Parallel port  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 Page scanner  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position.  | ||||||
| 
 KEYBOARD SELECTION  | ||
| 
 Setting  | 
 J510/pins 5 & 6  | 
 J510/pins 7 & 8  | 
| 
 XT  | 
 Closed  | 
 N/A  | 
| 
 AT  | 
 N/A  | 
 Open  |