
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

