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# MULTI MICRO SYSTEMS, INC.
NW286C
Processor 80286
Processor Speed 12.5/16MHz
Chip Set C & T
Max. Onboard 5MB
DRAM
Cache None
BIOS C & T
Dimensions 334mm x 122mm
I/O Options Parallel port, serial ports (2), floppy drive
interface, IDE interface, mouse interface
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Keyboard clock & | JP2 | Turbo LED | JP12 |
| data | | | |
|-------------------+----------+------------------+----------|
| Power LED & | JP7 | Mouse interface | JP14 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Reset switch | JP8 | Parallel port | P1 |
|-------------------+----------+------------------+----------|
| Speaker | JP9 | Serial port | P2 |
|-------------------+----------+------------------+----------|
| IDE interface LED | JP10 | Floppy drive | P3 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Turbo switch | JP11 | IDE interface | P4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | SIMM Bank 0 | SIMM Bank | DIP Bank 0 | DIP Bank 1 |
| | | 1 | | |
|-------+-------------+------------+------------+------------|
| 512KB | (2) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 512KB | NONE | NONE | (4) 44256 | NONE |
|-------+-------------+------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 1MB | NONE | NONE | (4) 44256 | (4) 44256 |
|-------+-------------+------------+------------+------------|
| 1MB | (2) 256K x | NONE | (4) 44256 | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (2) 256K x | (2) 256K x | (4) 44256 | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (4) 44256 | (4) 44256 |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 2.5MB | (2) 1M x 9 | NONE | (4) 44256 | NONE |
|-------+-------------+------------+------------+------------|
| 3MB | (2) 1M x 9 | NONE | (4) 44256 | (4) 44256 |
|-------+-------------+------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4.5MB | (2) 1M x 9 | (2) 1M x 9 | (4) 44256 | NONE |
|-------+-------------+------------+------------+------------|
| 5MB | (2) 1M x 9 | (2) 1M x 9 | (4) 44256 | (4) 44256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 |
|------------------+--------------------+--------------------|
| DIP DRAM | Open | Open |
|------------------+--------------------+--------------------|
| SIMM RAM | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DIP & SIMM | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+