
SANYO BUSINESS SYSTEMS CORPORATION

MBC-18SX

Processor              80386SX
Processor Speed        16MHz
Chip Set               Zymos
Max. Onboard DRAM      2MB
Cache                  None
BIOS                   Sanyo
Dimensions             332mm x 136mm
I/O Options            Serial port, parallel port, floppy drive interface,
                       IDE interface
NPU Options            80387SX

[Image]

                                CONNECTIONS

        Purpose           Location           Purpose           Location

  Serial port               CN1        Speaker & I/O LED         CN10

  Parallel port             CN2        Keylock                   CN11

  Floppy drive              CN3        External batteries     CN12 & CN13
  interface

  IDE interface             CN7        Reset switch              SW1

  Keyboard connector        CN9

  Note:The purpose of connectors CN5 & CN8 is unidentified.

                        USER CONFIGURABLE SETTINGS

             Function                   Jumper/Switch         Position

     Serial port interrupt select           JP1             pins 2 & 3
      primary                                                  closed

      Serial port interrupt select           JP1             pins 1 & 2
      secondary                                                closed

     Parallel port interrupt                JP2             pins 2 & 3
      select primary                                           closed

      Parallel port interrupt                JP2             pins 1 & 2
      select secondary                                         closed

     Factory configured - do not            JP3             pins 1 & 2
      alter                                                    closed

     Factory configured - do not            JP4                Open
      alter

     IDE interface enabled                  JP5             pins 1 & 2
                                                               closed

     IDE interface disabled                 JP5             pins 2 & 3
                                                               closed

     Factory configured - do not            JP6             pins 2 & 3
      alter                                                    closed

     Factory configured - do not            JP7                Open
      alter

     Bus mouse address select              JP12             pins 2 & 3
      primary                                                  closed

      Bus mouse address select              JP12             pins 1 & 2
      secondary                                                closed

     Factory configured - do not           JP13             pins 1 & 2
      alter                                                    closed

     Factory configured - do not           JP14             pins 1 & 2
      alter                                                    closed

     Factory configured - do not           JP15             pins 1 & 2
      alter                                                    closed

     Factory configured - do not           JP16             pins 1 & 2
      alter                                                    closed

     Factory configured - do not           JP17             pins 2 & 3
      alter                                                    closed

     Factory configured - do not           JP18             pins 2 & 3
      alter                                                    closed

     Factory configured - do not           JP19             pins 1 & 2
      alter                                                    closed

     IDE interrupt select SLVAC            JP20             pins 1 & 2
      disabled                                                 closed

      IDE interrupt select SLVAC            JP20             pins 2 & 3
      enabled                                                  closed

     Factory configured - do not          DPS1/1               Off
      alter

     Parallel port address select         DPS1/2                On
      primary

      Parallel port address select         DPS1/2               Off
      secondary

     Serial port address select           DPS1/3                On
      primary

      Serial port address select           DPS1/3               Off
      secondary

     Floppy drive interface               DPS1/4                On
      address select primary

      Floppy drive interface               DPS1/4               Off
      address select secondary

     Monitor type select color            DPS1/5                On

      Monitor type select                  DPS1/5               Off
      monochrome

     CPU speed select fast                DPS1/6                On

      CPU speed select slow                DPS1/6               Off

                       DRAM CONFIGURATION

    Size        Bank 0        P-0        Bank 1         P-1

     1MB      (8) 44256    (4) 41256      NONE         NONE

     2MB      (8) 44256    (4) 41256    (8) 44256    (4) 41256

             MOUSE IRQ CONFIGURATION

   IRQ       JP8       JP9      JP10      JP11

   IRQ3     Open      Open     Closed     Open

   IRQ4     Open     Closed     Open      Open

   IRQ5    Closed     Open      Open      Open

   IRQ9     Open      Open      Open     Closed

