TEXAS MICRO, INC.

D386WB CPU (REV. E)

Device Type                Single board computer
Processor                  80386
Processor Speed            25/33MHz
Chip Set                   Unidentified
Maximum Onboard Memory     64MB
Maximum Video Memory       1MB
Cache                      None
BIOS                       Unidentified
Dimensions                 338mm x 122mm
I/O Options                Floppy drive interface, IDE interface, parallel
                           port, serial ports (2)
NPU Options                80387

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Serial port 1               CN1      IDE interface               JP3

  Parallel port               CN2      Floppy drive interface      JP6

  IDE interface LED           JP1      Serial port 2               JP7

  External battery            JP2      Keyboard connector          JP9

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

  »   On board battery enabled                 JP2           Pins 1 & 2
                                                              closed

      On board battery disabled                JP2           Pins 2 & 3
                                                              closed

  »   Watchdog timer enabled                   JP4           Pins 1 & 2
                                                              closed

      Watchdog timer disabled                  JP4           Pins 2 & 3
                                                              closed

  »   Boot from card enabled                   JP5             Open

      Boot from external EPROM enabled         JP5            Closed

  »   NPU synchronous with CPU                 JP8           Pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                JP8           Pins 2 & 3
                                                              closed

  »   On board speaker enabled                 JP10          Pins 3 & 4
                                                              closed

      On board speaker disabled                JP10          Pins 1 & 2
                                                              closed

  »   Monitor type select color               SW1/1             On

      Monitor type select monochrome          SW1/1             Off

  »   Factory configured - do not alter       SW1/2             Off

  »   CMOS memory normal operation            SW1/3             Off

      CMOS memory clear                       SW1/3             On

  »   Factory configured - do not alter       SW1/4             Off

                            SIMM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9       None           None           None

     2MB        (4) 256K x 9   (4) 256K x 9       None           None

     4MB        (4) 1M x 9         None           None           None

     5MB        (4) 256K x 9    (4) 1M x 9        None           None

     8MB        (4) 1M x 9      (4) 1M x 9        None           None

     12MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9        None

     16MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     16MB       (4) 4M x 9         None           None           None

     20MB       (4) 1M x 9      (4) 4M x 9        None           None

     20MB       (4) 4M x 9      (4) 1M x 9        None           None

     24MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9        None

     24MB       (4) 1M x 9      (4) 4M x 9     (4) 1M x 9        None

     24MB       (4) 4M x 9      (4) 1M x 9     (4) 1M x 9        None

     28MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9     (4) 1M x 9

     28MB       (4) 1M x 9      (4) 4M x 9     (4) 1M x 9     (4) 1M x 9

     28MB       (4) 4M x 9      (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     32MB       (4) 4M x 9      (4) 4M x 9        None           None

     36MB       (4) 1M x 9      (4) 4M x 9     (4) 4M x 9        None

     36MB       (4) 4M x 9      (4) 1M x 9     (4) 4M x 9        None

     36MB       (4) 4M x 9      (4) 4M x 9     (4) 1M x 9        None

     40MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9     (4) 4M x 9

     40MB       (4) 1M x 9      (4) 4M x 9     (4) 4M x 9     (4) 1M x 9

     40MB       (4) 4M x 9      (4) 1M x 9     (4) 4M x 9     (4) 1M x 9

                  DIMM/SIMM CONFIGURATION (CON’T)

    Size         Bank 0       Bank 1        Bank 2        Bank 3

    40MB       (4) 4M x 9   (4) 4M x 9    (4) 1M x 9    (4) 1M x 9

    48MB       (4) 4M x 9   (4) 4M x 9    (4) 4M x 9       None

    52MB       (4) 4M x 9   (4) 1M x 9    (4) 4M x 9    (4) 4M x 9

    52MB       (4) 1M x 9   (4) 4M x 9    (4) 4M x 9    (4) 4M x 9

    52MB       (4) 4M x 9   (4) 4M x 9    (4) 4M x 9    (4) 1M x 9

    64MB       (4) 4M x 9   (4) 4M x 9    (4) 4M x 9    (4) 4M x 9

  Note: The location of banks are unidentified.