TEXT View Source
# LEADING EDGE PRODUCTS, INC.
MODEL D3/MC
Processor 80386SX
Processor 16MHz
Speed
Chip Set Zymos
Max. onboard 4MB
DRAM
Cache None
BIOS Leading Edge
Dimensions 325mm x 308mm
I/O Options Floppy drive interface, PS/2 mouse port, parallel
port, serial port, video
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| PS/2 Mouse port | CN1 | Video port | CN4 |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN2 | Floppy drive | CN5 |
| (25 pin) | | interface | |
|------------------+----------+-------------------+----------|
| Parallel port | CN3 | 16-bit MCA slot | S1 |
| | | w/video extension | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | SW1/switches 1 - 5 |
|---------------------------------------+--------------------|
| ยป | Factory configured - do not alter | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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/SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | J29 | J30 | SW1/switch | SW1/switch | SW1/switch |
| | | | 6 | 7 | 8 |
|------+-------+------+------------+------------+------------|
| 1MB | pins | pins | On | Off | On |
| | 2 & 3 | 2 & | | | |
| | | 3 | | | |
|------+-------+------+------------+------------+------------|
| 2MB | pins | pins | Off | On | Off |
| | 1 & 2 | 1 & | | | |
| | | 2 | | | |
|------+-------+------+------------+------------+------------|
| 4MB | pins | pins | On | Off | Off |
| | 1 & 2 | 1 & | | | |
| | | 2 | | | |
+------------------------------------------------------------+