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 [Image] CONNECTIONS Purpose Location Purpose Location Speaker & I/O LED CN1 Floppy drive CN6 interface 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 J1 pins 2 & 3 enabled closed Floppy drive interface J1 Open disabled » Serial port IRQ select J2 pins 2 & 3 primary closed Serial port IRQ select J2 pins 1 & 2 secondary closed Serial port disabled J2 Open » Parallel port IRQ select J3 pins 2 & 3 primary closed Parallel port IRQ select J3 pins 1 & 2 secondary closed Parallel port disabled J3 pins 1 & 2 closed » Serial port address select J4 pins 2 & 3 primary closed Serial port address select J4 pins 1 & 2 secondary closed Serial port disabled J4 pins 1 & 2 closed » Parallel port address select J5 pins 2 & 3 primary closed Parallel port address select J5 pins 1 & 2 secondary closed Parallel port disabled J5 Open » Factory configured - do not J6 pins 1 & 2 alter closed » DRAM speed select 5 wait J7 pins 1 & 2 states closed DRAM speed select 4 wait J7 pins 2 & 3 states closed » NPU disabled SW1/1 On NPU enabled SW1/1 Off » Factory configured - do not SW1/3 N/A alter » Display type select color SW1/4 On Display type select SW1/4 Off monochrome » Factory configured - do not SW1/5 Off alter » CPU speed select fast SW1/6 On CPU speed select slow SW1/6 Off » Factory configured - do not TP1 N/A alter 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