PHILIPS CONSUMER ELECTRONICS, CO.

HEADSTART SERIES 300

Processor              80286 (exact location unknown)
Processor Speed        8/12MHz
Chip Set               Unidentified
Max. Onboard DRAM      None
Cache                  None
BIOS                   Unidentified
Dimensions             218mm x 330mm
I/O Options            bus mouse port, floppy drive interface, game port,
                       IDE interface, SCSI connector, parallel port, PS/2
                       mouse port, serial port, VGA port
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Parallel port               J6       Power connector            J12

  Serial port 1               J7       Floppy drive               J13
                                       interface

  Bus mouse port              J8       Embedded IDE               J15
                                       interface

  Game port                   J9       Floppy/IDE power           J16
                                       connector

  EGA/TTL port               J10       Reset switch               J17

  VGA/Analog port            J11

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

  »   Factory configured - do not           S1/5                N/A
      alter

  »   On-board floppy disabled              S1/8              Closed

      On-board floppy enabled               S1/8               Open

  »   Video mode normal                      W7                Open

      Video mode slow                        W7               Closed

  »   I/O half speed enabled                 W11               Open

      I/O half speed disabled on             W11             pins 1 & 2
      12.5 MHz, enabled on 8MHz                               closed

      I/O half speed disabled                W11             pins 2 & 3
                                                              closed

  »   RAM delay line external                W17              Closed

      RAM delay line internal                W17               Open

  »   Port IECH-IEFH access                  W18               Open
      enabled

      Port IECH-IEFH access                  W18              Closed
      disabled

  »   CPU speed normal                       W20               Open

      CPU speed half                         W20              Closed

  »   Factory configured - do not            W23             pins 2 & 3
      alter                                                   closed

                       MONITOR CONFIGURATION

   Size     S1/1      S1/2     S1/3      S1/4      S1/6      S1/7

   MDA      Closed   Closed    Open      Closed   Closed     Open

   CGA      Open     Closed    Open      Closed   Closed    Closed

   EGA      Closed    Open     Open      Closed   Closed     Open

   TTL      Open      Open     Open      Closed   Closed     Open

  Analog    Open     Closed    Open      Open     Closed     Open

   PS2      Closed   Closed    Open      Open     Closed     Open

  MANUFACTURING MODE CONFIGURATION

   Select        W6          W9

  Enabled      Closed      Closed

  Disabled      Open        Open