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 |