HEWLETT-PACKARD COMPANY

HP VECTRA 500 MODEL 522, VL 5/XXX SERIES 3

Device Type               Mainboard
Processor                 Pentium
Processor Speed           75/90/100/120MHz
Chip Set                  Unidentified
Video Chip Set            Cirrus Logic
Maximum Onboard Memory    192MB
Maximum Video Memory      2MB
Cache                     256KB
BIOS                      Unidentified
Dimensions                254mm x 218mm
I/O Options               Floppy drive interface, IDE interfaces (2),
                          parallel port, PS/2 mouse port, serial ports (2),
                          VGA feature connector, VGA port, video memory
                          slot
NPU Options               None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            C1       Parallel port               CN5

  Speaker                     C2       IDE interface 1             CN6

  SCSI interface LED          C3       IDE interface 2             CN7

  VGA port                    CN1      Floppy drive interface      CN8

  PS/2 mouse port             CN2      VGA feature connector       CN9

  Serial port 2               CN3      Video memory slot           SL1

  Serial port 1               CN4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Flash BIOS update enabled              SW1/1             Off

      Flash BIOS update disabled             SW1/1              On

  »   Factory configured - do not alter      SW1/2             Off

  »   CMOS memory normal operation           SW1/3             Off

      CMOS memory clear                      SW1/3              On

  »   Password enabled                       SW1/4             Off

      Password disabled                      SW1/4              On

  »   Memory parity disabled                 SW1/5             Off

      Memory parity enabled                  SW1/5              On

  »   Factory configured - do not alter      SW1/7             Off

  »   Factory configured - do not alter      SW1/8             Off

                    SIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 36        None          None

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

     16MB       (2) 2M x 36        None          None

     24MB       (2) 1M 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

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

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

     64MB       (2) 8M x 36        None          None

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

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

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

                            CACHE CONFIGURATION

  Note: 256KB cache is factory installed and is not configurable. The
  location is unidentified.

                        VIDEO MEMORY CONFIGURATION

         Size                  Bank 0                     SL1

          1MB                   1MB                  Not installed

          2MB                   1MB               1MB module installed

  Note: Bank 0 is factory installed and is not configurable. The location
  is unidentified.

                            CPU SPEED SELECTION

  CPU speed     Clock speed     Multiplier          J6           SW1/6

    75MHz         50MHz            1.5x          Pins 5 & 6       Off
                                                  closed

    90MHz         60MHz            1.5x          Pins 3 & 4       Off
                                                  closed

    100MHz        66MHz            1.5x          Pins 1 & 2       Off
                                                  closed

    120MHz        60MHz             2x           Pins 3 & 4        On
                                                  closed

          CPU VOLTAGE SELECTION

       Voltage               J27

         VCC          Pins 1 & 2 closed

         VR           Pins 3 & 4 closed

         VRE          Pins 5 & 6 closed