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# SANYO BUSINESS SYSTEMS CORPORATION
MBC-18PLUS
Processor 80386DX
Processor Speed 16MHz
Chip Set Zymos
Max. Onboard 1MB
DRAM
Cache None
BIOS Sanyo
Dimensions 332mm x 136mm
I/O Options 32-bit external memory card slot (2), serial
port, parallel port, floppy drive interface
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+--------------------+-----------|
| Speaker & I/O | CN1 | Parallel port | CN7 |
| LED | | | |
|----------------+----------+--------------------+-----------|
| Keylock | CN2 | 32-bit external | CN8 & CN9 |
| | | memory card | |
|----------------+----------+--------------------+-----------|
| External | CN3 & | Floppy drive | CN10 |
| batteries | CN5 | interface | |
|----------------+----------+--------------------+-----------|
| Keyboard plug | CN4 | Reset | SW1 |
|----------------+----------+--------------------+-----------|
| Serial port | CN6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|--------------------------------+---------------+-----------|
| » | Parallel port IRQ select | J7 | pins 2 & |
| | primary | | 3 closed |
|---+----------------------------+---------------+-----------|
| | Parallel port IRQ select | J7 | pins 1 & |
| | secondary | | 2 closed |
|---+----------------------------+---------------+-----------|
| » | Serial port IRQ select | J8 | pins 2 & |
| | primary | | 3 closed |
|---+----------------------------+---------------+-----------|
| | Serial port IRQ select | J8 | pins 1 & |
| | secondary | | 2 closed |
|---+----------------------------+---------------+-----------|
| | BIOS type select 27512 | J9 | pins 1 & |
| | | | 2 closed |
|---+----------------------------+---------------+-----------|
| | BIOS type select 27512 or | J9 | pins 2 & |
| | 27128 | | 3 closed |
|---+----------------------------+---------------+-----------|
| » | 0WS signal select fixed | J11 | Closed |
|---+----------------------------+---------------+-----------|
| | 0WS signal select variable | J11 | Open |
|---+----------------------------+---------------+-----------|
| » | Monitor type select color | SW2/5 | On |
|---+----------------------------+---------------+-----------|
| | Monitor type select | SW2/5 | Off |
| | monochrome | | |
|---+----------------------------+---------------+-----------|
| » | CPU speed select fast | SW2/6 | On |
|---+----------------------------+---------------+-----------|
| | CPU speed select slow | SW2/6 | Off |
|---+----------------------------+---------------+-----------|
| » | DRAM speed select 2 wait | SW3/1 | On |
| | states | | |
|---+----------------------------+---------------+-----------|
| | DRAM speed select 3 wait | SW3/1 | Off |
| | states | | |
|---+----------------------------+---------------+-----------|
| » | Floppy drive interface | SW3/2 | On |
| | address select primary | | |
|---+----------------------------+---------------+-----------|
| | Floppy drive interface | SW3/2 | Off |
| | address select secondary | | |
|---+----------------------------+---------------+-----------|
| » | Serial port address select | SW3/3 | On |
| | primary | | |
|---+----------------------------+---------------+-----------|
| | Serial port address select | SW3/3 | Off |
| | secondary | | |
|------------------------------------------------------------|
| Note:OWS signal select jumper J11 must be set to open when |
| using any Novell product. |
| |
| Settings for SW3/switch 6 and SW3/switch 7 must correspond |
| with Jumper J9. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 |
|------------------+--------------------+--------------------|
| 1MB | (8) 44256 | (4) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|-----------+------------+-----------+-----------+-----------|
| 1MB | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Address | SW3/4 | SW3/5 |
|--------------------+--------------------+------------------|
| Primary | Off | On |
|--------------------+--------------------+------------------|
| Secondary | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Size | SW3/6 | SW3/7 |
|--------------------+-------------------+-------------------|
| 27128 | Off | On |
|--------------------+-------------------+-------------------|
| 27256 | Off | Off |
|--------------------+-------------------+-------------------|
| 27512 | On | Off |
+------------------------------------------------------------+