LEADING EDGE PRODUCTS, INC.
MODEL D2/LPS
|
Processor |
80286 |
|
Processor Speed |
8/12MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, video port |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Keylock |
J14 |
VGA port |
J43 |
|
Turbo LED |
J15 |
Parallel port |
J44 |
|
Power LED |
J16 |
Serial port |
J46 |
|
IDE interface |
J22 |
PS/2 mouse port |
J48 |
|
Floppy drive interface |
J23 | ||
|
Note:The exact locations of J14, J15, and J16 are unknown. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
IDE interface enabled |
J17 |
Closed |
|
IDE interface disabled |
J17 |
Open | |
|
|
NPU speed 10MHz |
J18 |
Open |
|
NPU speed 12.5MHz |
J18 |
Closed | |
|
|
VGA controller enabled |
J26 |
Closed |
|
VGA controller disabled |
J26 |
Open | |
|
|
Floppy drive interface enabled |
J27 |
Closed |
|
Floppy drive interface disabled |
J27 |
Open | |
|
Note:The exact location of J26 is unknown. | |||
|
SERIAL PORT CONFIGURATION | ||||||
|
Setting |
IRQ |
J32 |
J37 |
J39 |
J40 | |
|
Enabled |
4 |
Closed |
pins 2 & 3 |
Closed |
Closed | |
|
Enabled |
3 |
Closed |
pins 1 & 2 |
Closed |
Closed | |
|
Disabled |
N/A |
Open |
Open |
N/A |
N/A | |
|
Disabled |
3 |
N/A |
N/A |
Open |
Open | |
|
Disabled |
4 |
N/A |
N/A |
Open |
Open | |
|
Note:Pins designated should be in the closed position. | ||||||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM JUMPER CONFIGURATION | |||
|
Size |
J5 |
J7 |
J21 |
|
1MB |
pins 1 & 2 closed |
Open |
Open |
|
2MB |
Open |
pins 1 & 2 closed |
Open |
|
4MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
VESA CONFIGURATION | ||
|
Wait states |
J2 | |
|
0 wait states |
Closed | |
|
1 wait state |
Open | |
|
PARALLEL PORT CONFIGURATION | ||||
|
Setting |
IRQ |
J38 |
J42 | |
|
Enabled |
IRQ7 |
Closed |
Closed | |
|
Disabled |
None |
Open |
Open | |
|
Note:To disable IRQ7, J41 should be left open. | ||||
|
VIDEO INTERRUPT SELECT | ||
|
IRQ9 |
J47 | |
|
Enabled |
Closed | |
|
Disabled |
Open | |
|
PS/2 MOUSE INTERRUPT SELECT | |||||
|
Interrupt |
J33 |
J34 |
J35 |
J36 | |
|
IRQ5 |
Closed |
Closed |
Closed |
Closed | |
|
IRQ3 |
Open |
Closed |
Open |
Closed | |
|
IRQ4 |
Open |
Closed |
Closed |
Open | |
|
IRQ9 |
Open |
Open |
Closed |
Closed | |