ALPHA MICROSYSTEMS

AM-338, AM-339 RJE BOARD SET

Processor              Z-80
Processor Speed        4MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory None
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             Unidentified
I/O Options            Debug/trace port, synchronous communication port
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose               Location

  Debug/trace port            CN1        AM-338 board             J1
                                         connector

  Synchronous                 CN2
  communication port

                           DTE/DCE CONFIGURATION

         Setting                                 W1

           DTE               1 & 2, 5 & 6, 9 & 10 13 & 14, 18 & 19, 21 &
                                        22, 23 & 24, 25 & 26

           DCE              3 & 4, 7 & 8, 11 & 12, 15 & 16, 19 & 20, 21 &
                                        22, 23 & 24, 25 & 26

     DCE (test mode)        3 & 4, 7 & 8, 11 & 12, 15 & 16, 19 & 20, 21 &
                                        22, 23 & 25, 27 & 28

  Note: Pins designated should be in the closed position.

[Image]

                    CONNECTIONS

  Purpose                         Location

  AM-339 board connector             J1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Factory configured - do not alter        W1           Pins 5 & 6
                                                              closed

  »   Factory configured - do not alter        W2             Closed

                       MISCELLANEOUS TECHNICAL NOTE

  These boards provide a bisync interface for the Alpha Micro AM-1600
  (Desktop and Deskside) allowing an interface between IBM mainframes
  when used with AlphaRJE software.