(TXT) View Source
# ICL
DRS M35/286
Processor 80286
Processor Unidentified
Speed
Chip Set Unidentified
Max. Onboard 5MB
DRAM
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface, parallel
port, serial ports (2), PS/2 mouse interface, VGA
feature connector, VGA port, riser slot
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Keyboard connector | J1 | IDE interface | JP6 |
| | | LED | |
|---------------------+----------+----------------+----------|
| Reset switch | J2 | VGA feature | JP14 |
| | | connector | |
|---------------------+----------+----------------+----------|
| PS/2 mouse | J3 | Serial port | P1 |
| interface | | | |
|---------------------+----------+----------------+----------|
| External battery | J5 | Serial port | P2 |
|---------------------+----------+----------------+----------|
| Keylock | J1A1 | Parallel port | P3 |
|---------------------+----------+----------------+----------|
| IDE interface | JP1 | VGA port | P4 |
|---------------------+----------+----------------+----------|
| Floppy drive | JP2 | Riser slot | SL1 |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+--------+---------------|
| | Password enabled | CON1 | Closed |
|---+-------------------------------+--------+---------------|
| | Password disabled | CON1 | Open |
|---+-------------------------------+--------+---------------|
| | Parallel port IRQ select IRQ7 | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | Parallel port IRQ select IRQ5 | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | On board video enabled | JP15 | Closed |
|---+-------------------------------+--------+---------------|
| | On board video disabled | JP15 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|-----------+------------+-----------------+-----------------|
| 1MB | 1MB | None | None |
|-----------+------------+-----------------+-----------------|
| 1.5MB | 1MB | (2) 256K x 9 | None |
|-----------+------------+-----------------+-----------------|
| 2MB | 1MB | (2) 256K x 9 | (2) 256K x 9 |
|-----------+------------+-----------------+-----------------|
| 3MB | 1MB | (2) 1M x 9 | None |
|-----------+------------+-----------------+-----------------|
| 5MB | 1MB | (2) 1M x 9 | (2) 1M x 9 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| The location of pin 1 is unidentified. |
+------------------------------------------------------------+