ALPHA MICROSYSTEMS

ROADRUNNER AM-172

Processor              Motorola 68030
Processor Speed        40MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 32MB
Maximum Video Memory   None
Cache                  256KB
BIOS                   Unidentified
Dimensions             Unidentified
I/O Options            SCSI interface, X-bus connectors (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power connector             CN1      X-bus connector             J2

  SCSI interface              J1       X-bus connector             J3

                        USER CONFIGURABLE SETTINGS

                Function                      Label          Position

  »   Factory configured - do not alter        C1              Open

  »   Factory configured - do not alter        C3             Closed

  »   Factory configured - do not alter        C4              Open

  »   Factory configured - do not alter        C5             Closed

  »   X-bus active termination enabled         JP4            Closed

      X-bus active termination disabled        JP4             Open

  »   Factory configured - do not alter       JP16            Closed

      DRAM CONFIGURATION

     Size          Bank 0

      4MB       (1) 1M x 36

      8MB       (1) 2M x 36

     16MB       (1) 4M x 36

     32MB       (1) 8M x 36

  DRAM JUMPER CONFIGURATION

   Size      JP5       JP6

   4MB      Closed   Closed

   8MB      Closed    Open

   16MB      Open    Closed

   32MB      Open     Open

                    CACHE CONFIGURATION

  Note: The location of the 256KB cache is unidentified.

  CACHE JUMPER CONFIGURATION

    Setting           C2

    Enabled          Open

   Disabled         Closed

                        TERMINATION POWER SELECTION

                 Setting                                JP1

  »            TERMPWR enabled                   Pins 2 & 3 closed

              TERMPWR disabled                   Pins 1 & 2 closed

                            SCSI BUS SELECTION

                 Setting                                 JP2

  »       SCSI bus active termination             Pins 1 & 2 closed
                    enabled

          SCSI bus active termination             Pins 2 & 3 closed
                   disabled