LEADING EDGE PRODUCTS, INC.
MODEL D3/SX (VERSION 2)
|
Processor |
80386SX |
|
Processor Speed |
16MHz |
|
Chip Set |
Zymos |
|
Max. onboard DRAM |
4MB |
|
SRAM Cache |
None |
|
BIOS |
Leading Edge |
|
Dimensions |
325mm x 308mm |
|
I/O Options |
Floppy drive interface, mouse port, parallel port, serial ports (2) |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Mouse port |
CN1 |
Parallel port |
CN4 |
|
Serial port 1 (25 pin) |
CN2 |
Floppy drive interface |
CN5 |
|
Serial port 2 (9 pin) |
CN3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
JUMPER |
Position | |
|
Monitor type select color |
J5 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
J5 |
pins 2 & 3 closed | |
|
Floppy drive interface enabled |
J9 |
pins 2 & 3 closed | |
|
Floppy drive interface disabled |
J9 |
pins 1 & 2 closed | |
|
Mouse port enabled |
J15 |
pins 1 & 2 closed | |
|
Mouse port disabled |
J15 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | |||||
|
Size |
Bank 0 |
Bank 1 |
J6 |
J7 |
J8 |
|
512KB |
(2) 256K x 9 |
None |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
|
2MB |
(2) 1M x 9 |
NONE |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:Pins designated should be in the closed position. | |||||
|
PARALLEL PORT CONFIGURATION | |||
|
IRQ |
ADDRESS |
J10 |
J11 |
|
5 |
378h |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
7 |
278h |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
5 |
278h |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
7 |
378h |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
Disabled |
Disabled |
Open |
Open |
|
SERIAL PORT CONFIGURATION | |||
|
Port 1 (25 pine) |
Port 2 (9 pin) |
J12 |
J13 |
|
COM1 |
COM2 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
COM1 |
COM4 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
COM1 |
Disabled |
pins 2 & 3 closed |
Open |
|
COM3 |
COM2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
Disabled |
COM2 |
Open |
pins 2 & 3 closed |
|
COM3 |
COM4 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Disabled |
COM4 |
Open |
pins 1 & 2 closed |
|
Disabled |
Disabled |
Open |
Open |
|
MOUSE CONFIGURATION | ||
|
IRQ |
J16 - J18 |
J19 |
|
3 |
Open |
Open |
|
4 |
Open |
Open |
|
5 |
Open |
Open |
|
9 |
Open |
Closed |