
ZF MICROSYSTEMS, INC.

SBX/386

Processor                  80386SX
Processor Speed            33MHz
Chip Set                   Unidentified
Video Chip Set             None
Maximum Onboard Memory     16MB
Maximum Video Memory       None
Cache                      None
BIOS                       Unidentified
Dimensions                 254mm x 114mm
I/O Options                Floppy drive interface, IDE interface, parallel
                           port, serial ports (2), VGA port, PC104
                           connectors (2), solid state disk
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  VGA port                   CN1       Monitor power input        J1
                                       connector

  Serial port 1              CN2       IDE interface LED          J2

  Parallel port              CN3       Speaker                    J3

  Serial port 2              CN4       External battery           J4

  Floppy drive               CN5       Keylock                    J7
  interface

  IDE interface              CN6       Power connector            J31

  PC104 connector            CN7       Reset switch               J39

  PC104 connector            CN8       Expansion socket           JP1

  Solid state disk           CN9

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not            J9          Unidentified
      alter

     BIOS disabled                         J10              Open

      BIOS enabled                          J10             Closed

      VGA IRQ select IRQ9                   J42        Pins 2 & 3 closed

      VGA IRQ select IRQ7                   J42        Pins 1 & 2 closed

     SanDisk master/slave select           J44             Closed
      master

      SanDisk master/slave select           J44              Open
      slave

     Monitor type select non               J45              Open
      interlaced

      Monitor type select interlaced        J45             Closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     2MB        (2) 1M x 9      None

     4MB        (2) 1M x 9   (2) 1M x 9

     8MB        (2) 4M x 9      None

     10MB       (2) 4M x 9   (2) 1M x 9

     16MB       (2) 4M x 9   (2) 4M x 9

  Note: Board also accepts x 8 SIMMs.

                        EXPANSION SOCKET SELECTION

       Type               Device              Size              J37

      EPROM               27C256              32KB         6 & 7, 8 & 9

      EPROM               27C512              64KB         3 & 7, 8 & 9

      EPROM               27C010             128KB        2 & 6, 3 & 7, 4
                                                            & 5, 8 & 9

    Flash BIOS           28F256A              32KB        1 & 2, 4 & 5, 8
                                                                & 9

    Flash BIOS            28F512              64KB        1 & 2, 4 & 5, 3
                                                             & 7 8 & 9

    Flash BIOS            28F010             128KB        1 & 2, 4 & 5, 3
                                                             & 7 8 & 9

    Flash BIOS           AM29F020            128KB         4 & 5, 3 & 7 8
                                                                & 9

      NVRAM              DS1225Y              8KB              5 & 9

      NVRAM               DS1230              32KB         5 & 9, 7 & 8

      NVRAM              DS1235Y              32KB         5 & 9, 7 & 8

      NVRAM               DS1630              32KB         5 & 9, 7 & 8

      NVRAM              DS1245Y             128KB        3 & 4, 5 & 9, 7
                                                                & 8

      NVRAM              DS1645Y             128KB        3 & 7, 4 & 5, 8
                                                                & 9

      NVRAM              BQ4010Y              8KB              5 & 9

      NVRAM              BQ4011Y              32KB         5 & 9, 7 & 8

      NVRAM              BQ4013Y             128KB        3 & 4, 5 & 9, 7
                                                                & 8

  Note: Pins designated should be in the closed position.

                              BIOS SELECTION

        Size           Address         J11          J12           J14

       Disabled         N/A         Closed        Closed       Closed

          16KB          DC000h       Closed        Closed        Open

          32KB          D8000h        Open          Open        Closed

          64KB          D0000h       Closed         Open         Open

          80KB          CC000h        Open         Closed       Closed

          96KB          C8000h        Open         Closed        Open

         112KB          C4000h        Open          Open        Closed

         128KB          C0000h        Open          Open         Open

                         WATCHDOG TIMER SELECTION

       Type               J18                J19               J20

  Watchdog timer       Pins 1 & 2         Pins 1 & 2        Pins 1 & 2
                         closed            closed             closed

    Power fail         Pins 2 & 3         Pins 2 & 3        Pins 2 & 3
                         closed            closed             closed

