SANYO BUSINESS SYSTEMS CORPORATION
MBC-17PLUS
| Processor | 80286 | 
| Speed | 8/10/12MHz | 
| Chip Set | Zymos | 
| Max. Onboard DRAM | 1MB | 
| Cache | None | 
| BIOS | Sanyo | 
| Dimensions | 332mm x 136mm | 
| I/O Options | Serial port,. parallel port, floppy drive interface | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Speaker & I/O LED | CN1 | Floppy drive interface | CN6 | 
| Keylock | CN2 | Serial port | CN7 | 
| Keyboard plug | CN4 | Parallel port | CN8 | 
| External batteries | CN5 & CN9 | Reset | SW2 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper/Switch | Position | |
| » | Floppy drive interface enabled | J1 | pins 2 & 3 closed | 
| Floppy drive interface disabled | J1 | Open | |
| » | Serial port IRQ select primary | J2 | pins 2 & 3 closed | 
| Serial port IRQ select secondary | J2 | pins 1 & 2 closed | |
| Serial port disabled | J2 | Open | |
| » | Parallel port IRQ select primary | J3 | pins 2 & 3 closed | 
| Parallel port IRQ select secondary | J3 | pins 1 & 2 closed | |
| Parallel port disabled | J3 | pins 1 & 2 closed | |
| » | Serial port address select primary | J4 | pins 2 & 3 closed | 
| Serial port address select secondary | J4 | pins 1 & 2 closed | |
| Serial port disabled | J4 | pins 1 & 2 closed | |
| » | Parallel port address select primary | J5 | pins 2 & 3 closed | 
| Parallel port address select secondary | J5 | pins 1 & 2 closed | |
| Parallel port disabled | J5 | Open | |
| » | Factory configured - do not alter | J6 | pins 1 & 2 closed | 
| » | DRAM speed select 5 wait states | J7 | pins 1 & 2 closed | 
| DRAM speed select 4 wait states | J7 | pins 2 & 3 closed | |
| » | NPU disabled | SW1/1 | On | 
| NPU enabled | SW1/1 | Off | |
| » | Factory configured - do not alter | SW1/3 | N/A | 
| » | Display type select color | SW1/4 | On | 
| Display type select monochrome | SW1/4 | Off | |
| » | Factory configured - do not alter | SW1/5 | Off | 
| » | CPU speed select fast | SW1/6 | On | 
| CPU speed select slow | SW1/6 | Off | |
| » | Factory configured - do not alter | TP1 | N/A | 
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | P-0 | Bank 1 | P-1 | 
| 512KB | (4) 44256 | (2) 41256 | NONE | NONE | 
| 1MB | (4) 44256 | (2) 41256 | (4) 44256 | (2) 41256 | 
| DRAM SWITCH CONFIGURATION | |
| Size | SW2/2 | 
| 512KB | Off | 
| 1MB | On | 
| BIOS CONFIGURATION | ||
| Size | J8 | J9 | 
| 27128 | pins 2 & 3 closed | pins 2 & 3 closed | 
| 27256 | pins 2 & 3 closed | pins 1 & 2 closed | 
| 27512 | pins 1 & 2 closed | pins 1 & 2 closed |