HEWLETT-PACKARD COMPANY

HP VECTRA QS/16 & HP VECTRA QS/20

Processor               80386DX
Processor Speed         16/20MHz
Chip Set                HP
Max. Onboard DRAM       8MB (16MB with optional memory module)
Cache                   None
BIOS                    HP
Dimensions              334mm x 128mm
I/O Options             16-bit proprietary backplane ports (2), 8MB memory
                        module (Part # HP D1440A)
NPU Options             80387

[Image]

                      CONNECTIONS

  Purpose                                  Location

  16-bit proprietary backplane ports         CN1

                        USER CONFIGURABLE SETTINGS

                   Function                      Switch        Position

  »   NPU enabled                                 SW1/1          Off

      NPU disabled                                SW1/1           On

  »   Bus speed select asynchronous (8MHz)        SW1/2           On

      Bus speed select synchronous with CPU       SW1/2          Off
      QS/16=8MHz, QS/20=10MHz

  »   Base memory size select 640KB               SW1/3           On

      Base memory size select 512KB               SW1/3          Off

  »   Optional ROM enabled                        SW1/4           On

      Optional ROM disabled                       SW1/4          Off

  »   Factory configured - do not alter           SW1/5           On

  »   NPU mode select synchronous with CPU        SW1/6           On

      NPU mode select asynchronous with CPU       SW1/6          Off

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB       (4) 256K x 9       NONE           NONE           NONE

     2MB       (4) 256K x 9   (4) 256K x 9       NONE           NONE

     4MB       (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 256K x 9

     4MB        (4) 1M x 9        NONE           NONE           NONE

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     10MB      (4) 256K x 9   (4) 256K x 9    (4) 1M x 9     (4) 1M x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

  Note:Banks 2 & 3 are utilized when an optional memory module is
  installed. (Part # HP D1440A)