
DIGITAL EQUIPMENT CORPORATION

PRIORIS MTE

Device Type       Mainboard
Processor         80486DX/80486DX2/P24T
Processor Speed   25/33/40/50(internal)/50/66(internal)MHz
Chip Set          Unidentified
Video Chip Set    None
Maximum Onboard   128MB
Memory
Maximum Video     None
Memory
Cache             128/256KB
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       Local bus video slot, 32-bit VESA local bus slots (2),
                  floppy drive interface, IDE interfaces (2), parallel
                  port, PS/2 mouse port, serial ports (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Chassis fan power           C1       Local bus video slot       SL1

  Speaker                     C2       32-bit VESA local bus   SL2 & SL3
                                       slots

  Note: The location of all other connectors is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                    Label          Position

     Parallel port unidirectional           J20       Pins 1 & 2 closed

      Parallel port bidirectional            J20       Pins 2 & 3 closed

     CMOS memory normal operation           J23             Open

      CMOS memory clear                      J23            Closed

      Monitor type select monochrome         J25             Open

      Monitor type select color              J25            Closed

     Factory configured - do not            J43             Open
      alter

     Reset switch enabled                   J46            Closed

      Reset switch disabled                  J46             Open

     Factory configured - do not            J53         Unidentified
      alter

                           SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (1) 2M x 36       None           None          None

     16MB       (1) 4M x 36       None           None          None

     16MB       (1) 2M x 36   (1) 2M x 36        None          None

     24MB       (1) 4M x 36   (1) 2M x 36        None          None

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       None

     24MB       (1) 2M x 36   (1) 4M x 36        None          None

     32MB       (1) 8M x 36       None           None          None

     32MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36       None

     32MB       (1) 4M x 36   (1) 4M x 36        None          None

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     40MB       (1) 8M x 36   (1) 2M x 36        None          None

     40MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     40MB       (1) 2M x 36   (1) 4M x 36    (1) 4M x 36       None

     40MB       (1) 2M x 36   (1) 8M x 36        None          None

                       SIMM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     48MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36       None

     48MB       (1) 8M x 36   (1) 4M x 36        None          None

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36       None

     48MB       (1) 4M x 36   (1) 8M x 36        None          None

     56MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     56MB       (1) 2M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 8M x 36   (1) 4M x 36    (1) 4M x 36       None

     64MB       (1) 8M x 36   (1) 8M x 36        None          None

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     72MB       (1) 2M x 36   (1) 8M x 36    (1) 8M x 36       None

     80MB       (1) 8M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     80MB       (1) 4M x 36   (1) 8M x 36    (1) 8M x 36       None

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36       None

    104MB       (1) 2M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    112MB       (1) 4M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

     CACHE CONFIGURATION

     Size          Bank 0

     128KB      (4) 32K x 8

     256KB      (4) 64K x 8

                        CACHE JUMPER CONFIGURATION

      Size               J29               J30                 J31

      128KB           Pins 1 & 2        Pins 1 & 2      Pins 1 & 2 closed
                       closed             closed

      256KB           Pins 2 & 3        Pins 2 & 3      Pins 2 & 3 closed
                       closed             closed

               CPU SPEED SELECTION

  Speed      J34       J35       J36       J37

  25MHz     Closed    Closed     Open     Closed

  33MHz     Closed     Open     Closed    Closed

  40MHz      Open      Open     Closed     Open

  50iMHz    Closed    Closed     Open     Closed

  50MHz      Open      Open      Open      Open

  66iMHz    Closed     Open     Closed    Closed

            CPU TYPE SELECTION

        Type                 J52

       80486DX        Pins 2 & 3 closed

      80486DX2        Pins 2 & 3 closed

        P24T          Pins 1 & 2 closed

                        VL BUS WAIT STATE SELECTION

               Setting                                J51

                   0                          Pins 1 & 2 closed

                    1                          Pins 2 & 3 closed

