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 |