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# LEADING EDGE PRODUCTS, INC.
MODEL D2/LPS
Processor 80286
Processor 8/12MHz
Speed
Chip Set C & T
Max. Onboard 4MB
DRAM
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
IMG IMG 1
+------------------------------------------------------------+
| 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 | J23 | | |
| interface | | | |
|------------------------------------------------------------|
| 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 | Open | Open |
| | closed | | |
|------+-----------------+-----------------+-----------------|
| 2MB | Open | pins 1 & 2 | Open |
| | | closed | |
|------+-----------------+-----------------+-----------------|
| 4MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | 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 |
+------------------------------------------------------------+