ALPHA MICROSYSTEMS

ROADRUNNER AM-174

Processor              Motorola 68040
Processor Speed        66/80MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 64MB
Maximum Video Memory   None
Cache                  32KB
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        C4              Open

  »   Factory configured - do not alter        C5              Open

      Factory configured - do not alter        C6              Open

  »   Factory configured - do not alter        C7           Pins 2 & 3
                                                              closed

  »   X-bus active termination enabled         C8             Closed

      X-bus active termination disabled        C8              Open

  »   Factory configured - do not alter        JP7            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

      64MB       (1) 16M x 36

                   CACHE CONFIGURATION

  Note: The location of the 32KB cache is unidentified.

       DRAM JUMPER CONFIGURATION

   Size      C1        C2        C3

   4MB     Closed    Closed    Closed

   8MB     Closed    Closed     Open

   16MB    Closed     Open     Closed

   32MB    Closed     Open      Open

   64MB     Open     Closed    Closed

                        TERMINATION POWER SELECTION

                 Setting                                JP2

  »            TERMPWR enabled                   Pins 2 & 3 closed

               TERMPWR disabled                  Pins 1 & 2 closed

                            SCSI BUS SELECTION

                  Setting                                JP1

  »    SCSI bus active termination enabled        Pins 1 & 2 closed

           SCSI bus active termination            Pins 2 & 3 closed
                    disabled