HEWLETT-PACKARD COMPANY

VECTRA 486/U

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   25/33/50(internal)/66(internal)MHz
Chip Set          Unidentified
Max. Onboard DRAM 32MB
Cache             128KB (location unknown)
BIOS              Unidentified
Dimensions        355mm x 304mm
I/O Options       Bus mouse port, floppy drive interface, IDE interface,
                  parallel port, serial ports (2), VGA port, VESA feature
                  connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  IDE interface LED           CN1      Serial port 2               CN7

  Floppy drive interface      CN2      Serial port 1               CN8

  Hard drive interface        CN3      VESA feature connector      CN9

  Speaker                     CN4      Parallel port              CN10

  External battery            CN5      Control panel              CN11

  VGA port                    CN6      BIOS lock switch            SW1

                      USER CONFIGURABLE SETTINGS

                Function                    Switch         Position

  Factory configured - do not alter       SW4/switch 2       Off

  Factory configured - do not alter       SW4/switch 3       Off

  Built in video disabled                 SW4/switch 4        On

  Built in video enabled                  SW4/switch 4       Off

                  CPU SPEED SELECTION-- INTEL CPU

      Speed        SW3/switch 1     SW3/switch 2     SW3/switch 3

      25MHz             Off             Off              Off

      33MHz             On               On               On

     50iMHz             On               On              Off

     66iMHz             On               On               On

             CPU SPEED SELECTION-- HEWLETT PACKARD CPU

      Speed        SW3/switch 1     SW3/switch 2     SW3/switch 3

      25MHz             On              Off              Off

      33MHz             On              Off               On

     50iMHz             On              Off              Off

     66iMHz             On              Off               On

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 4

     4MB         (2) 512K x       NONE           NONE           NONE
                    36

     8MB         (2) 512K x    (2) 512K x        NONE           NONE
                    36             36

     16MB        (2) 512K x    (2) 512K x     (2) 512K x    (2) 512K x 36
                    36             36             36

     20MB       (2) 2M x 36    (2) 512K x        NONE           NONE
                                   36

     24MB       (2) 2M x 36    (2) 512K x     (2) 512K x        NONE
                                   36             36

     28MB       (2) 2M x 36    (2) 512K x     (2) 512K x    (2) 512K x 36
                                   36             36

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

     36MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36        NONE

     48MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36        NONE

     52MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36     (2) 2M x 36

     64MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36     (2) 2M x 36

                    PASSWORD AND CONFIGURATION SWITCHES

   SW2           Function              Closed                 Open

    1              Clear             Clear CMOS           Retain CMOS
              configuration

    2         Erase power-on       Erase password       Retain password
                 password

    3       Lock configuration     No configuration     Configuration can
                                       change                change

                      VIDEO CONFIGURATION

      Size          Bank 0          Bank 1          SW4/1

     512KB       (2) 256K x 4        NONE            OFF

      1MB        (2) 256K x 4    (2) 256K x 4         ON