HEWLETT-PACKARD COMPANY

HP VECTRA 500 MODEL 520 (TYPE B),

MODEL 525 (TYPE B)

Device Type              Mainboard
Processor                Pentium
Processor Speed          133/166/180/200MHz
Chip Set                 Unidentified
Video Chip Set           Unidentified
Maximum Onboard Memory   128MB
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, cache slot
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Status connector panel      C1       Parallel port               CN4

  Speaker                     C2       PS/2 mouse port             CN5

  External battery            C3       IDE interface 1             CN6

  5v power                    C4       IDE interface 2             CN7

  3.3v power                  C5       Floppy drive interface      CN8

  VGA port                    CN1      VGA feature connector       CN9

  Serial port 2               CN2      Cache slot                  SL1

  Serial port 1               CN3      VRM connector               VRM

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Password enabled                       SW1/5             Off

      Password disabled                      SW1/5              On

  »   CMOS memory normal operation           SW1/6             Off

      CMOS memory clear                      SW1/6              On

  »   Flash BIOS write protect enabled       SW1/8             Off

      Flash BIOS write protect               SW1/8              On
      disabled

  »   Keyboard power on disabled             SW1/9             Off

      Keyboard power on enabled              SW1/9              On

  »   Factory configured - do not            SW1/10            Off
      alter

                    SIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

     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

     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

                CACHE CONFIGURATION

           Size                      SL1

           0KB                  Not installed

          256KB            256KB module installed

            VIDEO MEMORY CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (2) 256K x 16         None

       2MB        (2) 256K x 16    (2) 256K x 16

                            CPU SPEED SELECTION

    CPU     Clock    Multiplier   SW1/1    SW1/2   SW1/3   SW1/4   SW1/7
  speed     speed

  133MHz    66MHz        2x        Off      On      On      Off      On

  166MHz    66MHz       2.5x       Off      On      On      On       On

  180MHz    60MHz        3x        On      Off     Off      On       On

  200MHz    66MHz        3x        Off      On     Off      On       On