
RADISYS CORPORATION

EXPLR2

Processor                  80386EX
Processor Speed            33/40/50/66MHz
Chip Set                   Unidentified
Video Chip Set             Cirrus Logic
Maximum Onboard Memory     32MB
Maximum Video Memory       512KB
Cache                      None
BIOS                       Phoenix
Dimensions                 254mm x 254mm
I/O Options                Floppy drive interface, IDE interface, parallel
                           port, PS/2 mouse port, serial ports (2), VGA
                           port, PC/104 connectors (2), flat panel
                           connector
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  LCD connector               CN1      PC/104 connector            J4A

  IDE interface               CN2      Parallel port               J8

  Floppy drive interface      CN6      Serial port 2               J9

  PS/2 mouse port             J2       Serial port 1               J10

  VGA port                    J3       PC card carrier             S1

  PC/104 connector            J4       Reset switch                S2

                        USER CONFIGURABLE SETTINGS

                   Function                      Label       Position

      RFA access select (linear memory/mapped     JP2      Unidentified
      page)

      RFA WS select (R380 WEFLSH/386EXWR)         JP3      Unidentified

     Factory configured - do not alter           JP4          Open

      CPU speed 33/40/50/66MHz                    JP5      Unidentified

      BIOS CS select (R380EX/Intel386EX)          JP6      Unidentified

     Flash BIOS boot block disabled              JP7          Open

      Flash BIOS boot block enabled               JP7         Closed

     Flash BIOS normal operation                JP8A          Open

      Flash BIOS recovery mode                   JP8A         Closed

     Manufacturing loop at boot disabled        JP8B          Open

      Manufacturing loop at boot enabled         JP8B         Closed

     Bottom half (lower 256KB) of FBD           JP8C          Open
      disabled

      Bottom half (lower 256KB) of FBD           JP8C         Closed
      enabled

     Flash BIOS write protect disabled          JP8D          Open

      Flash BIOS write protect enabled           JP8D         Closed

      VCC select (3.3v/5v)                        JP9      Unidentified

      Serial port 2 COM select (IRQ3/IRQ5)       JP10      Unidentified

      VPP select (12v/5v)                        JP11      Unidentified

     Boot option with keyboard controller       JP12          Open
      disabled

      Boot option with keyboard controller       JP12         Closed
      enabled

      Serial port 1 COM select (IRQ4/IRQ9)       JP13      Unidentified

     Post loop disabled                         JP14          Open

      Post loop enabled                          JP14         Closed

     8-bit operation disabled                   JP15         Closed

      8-bit operation enabled                    JP15          Open

     R380 voltage select 5v                     SW1/1          On

      R380 voltage select 3v/3.3v                SW1/1          Off

     Internal real time clock megacell          SW1/2          Off
      enabled

      Internal real time clock megacell          SW1/2          On
      disabled

     Internal keyboard & mouse controller       SW1/3          Off
      megacell enabled

      Internal keyboard & mouse controller       SW1/3          On
      megacell disabled

     RAS_BS# enabled                            SW1/4          Off

      MA11 enabled                               SW1/4          On

     CS_USR [3:0] outputs enabled               SW1/5          Off

      DIO [3:0] inputs enabled                   SW1/5          On

     ACTIVITY#/WE_BIOS#/WE_AP#/QDACKB           SW1/6          Off
      enabled

      DIO [7:4] inputs enabled                   SW1/6          On

     Initial level of digital output select     SW1/7          Off
      initialize to 0

      Initial level of digital output select     SW1/7          On
      initialize to 1

     User definable bit select 0                SW1/8          Off

      User definable bit select 1                SW1/8          On

        SIMM CONFIGURATION

      Size            Bank 0

       2MB        (1) 512K x 36

       4MB         (1) 1M x 36

       8MB         (1) 2M x 36

      16MB         (1) 4M x 36

      32MB         (1) 8M x 36

                        VIDEO MEMORY CONFIGURATION

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

                           FLAT PANEL SELECTION

        Setting               JP1/A           JP1/B            JP1/C

      0-bit disabled         Open             Open             Open

        0-bit enabled        Closed           Closed           Closed

