RADISYS CORPORATION

HUMMINGBOARD

Processor                  80486SX
Processor Speed            Unidentified
Chip Set                   Pico Power
Video Chip Set             Cirrus Logic
Maximum Onboard Memory     8MB
Maximum Video Memory       512KB
Cache                      None
BIOS                       Phoenix
Dimensions                 Unidentified
I/O Options                Floppy drive interface, IDE interface, parallel
                           port, PS/2 mouse port, serial ports (2), VGA
                           port, IR connector, flat panel connector
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                    Location

  Port power                 C1       Flat panel connector         CN5

  PC power                   C2       IR connector                 CN6

  PS/2 mouse port           CN1       Parallel port                CN7

  VGA port                  CN2       IDE interface                CN8

  Serial port 2             CN3       Unidentified                 CN9

  Serial port 1             CN4       Reset switch                CN10

                        USER CONFIGURABLE SETTINGS

               Function                     Label           Position

  »   Phoenix BIOS loaded at startup         JP3              Open

      Cyber Quest start up code              JP3             Closed
      loaded at startup

  »   Flash BIOS normal operation            JP6              Open

      Flash BIOS force update                JP6       Pins 4 & 6 closed

  »   Power supply select supplied           JP9       Pins 1 & 2 closed
      from mainboard

      Power supply select supplied           JP9       Pins 3 & 4 closed
      from portable battery

      SIMM CONFIGURATION

     Size          Bank 0

      4MB       (1) 1M x 36

      8MB       (1) 2M x 36

  INTEL FLACH FILE MEMORY CONFIGURATION

        Size                Bank 1

         1MB              (1) 1M x 8

                        VIDEO MEMORY CONFIGURATION

  Note: 512KB video memory is factory installed and is not configurable.

                     CPU CLOCK FREQUENCY SELECTION

      Speed        JP5/pins 1 & 2    JP5/pins 3 & 4    JP5/pins 5 & 6

       4MHz            Closed            Closed            Closed

       8MHz             Open             Closed            Closed

      16MHz            Closed             Open             Closed

      20MHz             Open              Open             Closed

      25MHz            Closed            Closed             Open

      33MHz             Open             Closed             Open

      40MHz            Closed             Open              Open

      50MHz             Open              Open              Open

                           CPU VOLTAGE SELECTION

    Voltage      JP4/pins 3 &   JP4/pins 1 &  JP8/pins 3 &   JP8/pins 1 &
                  4 (VADJ)       2 (3.3v)       4 (2.4v)       2 (2.7v)

        2.4v        Open          Closed          Open          Closed

        2.7v       Closed          Open          Closed          Open

  »     3.3v        Open          Closed          N/A            N/A

                           FLAT PANEL SELECTION

           Setting               JP1/pins     JP1/pins 3&4   JP1/pins 5&6
                                   1&2

  »    Single Scan Color STN,     Closed         Closed         Closed
         16-bit interface/8
               color

           Dual Scan STN,         Closed         Closed          Open
         monochrome 6.3MHz

        Dual Scan color STN,      Closed          Open          Closed
         16-bit interface

          Color TFT 9-bit         Closed          Open           Open
             interface

       Singel Scan Color STN       Open          Closed         Closed
          8-bit interface

       Single Scan Monochrome      Open          Closed          Open
       STN, 4-bit interface

          Color TFT 18-bit         Open           Open           Open
             interface

                           5V VOLTAGE SELECTION

        Setting          JP7/pins 1 & 2   JP7/pins 3 & 4   JP7/pins 5 & 6

       ISA backplane         Closed           Open              Open

  »       PC power            Open           Closed             Open

      Portable battery        Open            Open             Closed

                           12V VOLTAGE SELECTION

        Setting          JP11/pins 1 &    JP11/pins 3 &    JP11/pins 5 &
                              2                 4                6

       ISA backplane        Closed            Open             Open

  »      PC power            Open            Closed            Open

          Portable           Open             Open            Closed
          battery

                           FLASH BOOT SELECTION

                  Setting                               JP10

  »            Normal operation                         Open

      All boot blocks other than book can         Pins 1 & 3 closed
                  be written

          16K boot block reprogrammed         Pins 1 & 3, 2 & 6 closed