
HEWLETT-PACKARD COMPANY

HP VECTRA 486ST PC Series

Processor            80486DX/80486DX2
Processor Speed      33/66(internal)MHz
Chip Set             HP
Max. Onboard DRAM    64MB
Cache                None
BIOS                 HP
Dimensions           275mm x 325mm
I/O Options          Bus mouse port, IDE interface, VGA port
NPU Options          None

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                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

     Factory configured - do not alter       SW1/2             Off

     Factory configured - do not alter       SW1/3             Off

     VGA port enabled                        SW1/4             Off

      VGA port disabled                       SW1/4             On

     BIOS write protect enabled               SW2          position 2

      BIOS write protect disabled (BIOS        SW2          position 1
      may be upgraded from disk)

     Password check enabled                  SW3/1             Off

      Password check disabled (password       SW3/1             On
      clear)

     CMOS memory normal operation            SW3/2             Off

      CMOS memory clear                       SW3/2             On

     Security mode disabled (CMOS            SW3/3             Off
      setup may be changed)

      Security mode enabled (CMOS setup       SW3/3             On
      may not be changed)

  Note:SW1 and SW2 are located on the main board (shown on previous
  page).

  SW3 is on the I/O Adapter Board (shown below).

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

     12MB       (2) 512K x     (2) 512K x     (2) 512K x        NONE
                    36             36             36

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

     16MB      (2) 2M x 36        NONE           NONE           NONE

     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) 512K x        NONE
                                                  36

     40MB      (2) 2M x 36    (2) 2M x 36     (2) 512K x    (2) 512K x 36
                                                  36

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

     52MB      (2) 2M x 36    (2) 2M x 36    (2) 2M x 36    (2) 512K x 36

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

    VRAM CONFIGURATION

    Size        Bank 0

    512KB        NONE

   1024KB     (4) 44256

  VRAM SWITCH CONFIGURATION

     Size           SW1/1

     512KB           Off

    1024KB           On

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