
DIGITAL EQUIPMENT CORPORATION

PRIORIS LX

Processor          80486SX/80486DX/80486DX2/Pentium
Processor Speed    80486: 25/33MHz

                   Pentium: 75/90/100/120/133/150/166/180/200MHz
Chip Set           Unidentified
Video Chip Set     None
Maximum Onboard    80486: 128MB
Memory
                   Pentium: 192MB
Maximum Video      None
Memory
Cache              80486: Unidentified

                   Pentium: 256/512KB
BIOS               Unidentified
Dimensions         254mm x 218mm
I/O Options        32-bit PCI slots (3), Ethernet 10Base2 connector,
                   Ethernet 10BaseT connector, floppy drive interface, IDE
                   interfaces (2), SCSI interface, parallel port, serial
                   ports (2), VGA port, CPU slot
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Parallel port              CN1       IDE interface 2            CN8

  VGA port                   CN2       Front panel connector      CN9

  Ethernet 10BaseT           CN3       V dc power connector        J1
  connector

  Ethernet 10Base2           CN4       Chassis fan power           J2
  connector

  SCSI interface             CN5       Speaker                     J3

  Floppy drive               CN6       32-bit PCI slots        PC1  PC3
  interface

  IDE interface 1            CN7       CPU slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Flash BIOS upgrade enabled             J22/1             Off

      Flash BIOS upgrade disabled            J22/1              On

     Flash BIOS write protect disabled      J22/2             Off

      Flash BIOS write protect enabled       J22/2              On

     Password normal operation              J22/3             Off

      Password clear                         J22/3              On

     DSM not installed                       J27             Closed

      DSM installed                           J27              Open

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  PS/2 mouse port             CN1      Serial port                 CN3

  Serial port                 CN2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured  do not alter       J7/2              On

     Factory configured  do not alter       J7/3              On

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

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

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

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

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 2M x 36    (1) 2M x 36

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

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

     72MB       (1) 8M x 36   (1) 8M x 36    (1) 1M x 36    (1) 1M x 36

     80MB       (1) 8M x 36   (1) 8M x 36    (1) 2M x 36    (1) 2M x 36

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

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

               CACHE CONFIGURATION

  Note: The size of the cache is unidentified.

   CPU SPEED SELECTION

  CPU speed      J7/1

    25MHz         On

    33MHz        Off

   50iMHz         On

   66iMHz        Off

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                    Location

  PS/2 mouse port           CN1       Serial port                  CN3

  Serial port               CN2       VRM connector                VRM

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

     16MB       (2) 2M x 36        None          None

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

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

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

     32MB       (2) 4M x 36        None          None

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

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

     48MB       (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     48MB       (2) 2M x 36    (2) 4M x 36       None

     48MB       (2) 4M x 36    (2) 1M x 36    (2) 1M x 36

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

     64MB       (2) 4M x 36    (2) 4M x 36       None

     64MB       (2) 8M x 36        None          None

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

     72MB       (2) 4M x 36    (2) 4M x 36    (2) 1M x 36

     80MB       (2) 2M x 36    (2) 4M x 36    (2) 4M x 36

     80MB       (2) 2M x 36    (2) 8M x 36       None

     88MB       (2) 8M x 36    (2) 2M x 36    (2) 1M x 36

     96MB       (2) 8M x 36    (2) 2M x 36    (2) 2M x 36

     96MB       (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     96MB       (2) 8M x 36    (2) 4M x 36       None

     112MB      (2) 8M x 36    (2) 4M x 36    (2) 2M x 36

     128MB      (2) 8M x 36    (2) 8M x 36       None

     128MB      (2) 8M x 36    (2) 4M x 36    (2) 4M x 36

     136MB      (2) 8M x 36    (2) 8M x 36    (2) 1M x 36

     144MB      (2) 8M x 36    (2) 8M x 36    (2) 2M x 36

     160MB      (2) 8M x 36    (2) 8M x 36    (2) 4M x 36

     192MB      (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

          512KB            512KB module installed

                            CPU SPEED SELECTION

    CPU        Clock     Multiplier     J3/1     J3/2     J3/3      J3/4
   speed      speed

   75MHz      50MHz         1.5x        Off      Off       Off      Off

   90MHz      60MHz         1.5x        Off      Off       On        On

  100MHz      66MHz         1.5x        Off      Off       On       Off

  120MHz      60MHz          2x          On      Off       On        On

  133MHz      66MHz          2x          On      Off       On       Off

  150MHz      60MHz         2.5x         On       On       On        On

  166MHz      66MHz         2.5x         On       On       On       Off

  180MHz      60MHz          3x         Off       On       On        On

  200MHz      66MHz          3x         Off       On       On       Off

