
COMPAQ COMPUTER CORPORATION

PRESARIO 600 SERIES (486-BASED MODELS)

Processor          OPP486DX/80486DX2
Processor Speed    50/50 (internal)/66(internal)MHz
Chip Set           Unidentified
Max. Onboard DRAM  56MB
Cache              None
BIOS               Unidentified
Dimensions         258 x 218mm
I/O Options        IDE interface, riser card slot, floppy drive interface,
                   parallel port, PS/2 mouse port, serial ports (2), VGA
                   port
NPU Options        80487

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Speaker connector            J1       Serial port 1              P21

  PS/2 mouse port              J2       Parallel port              P22

  Floppy Drive Interface       J4       Serial port 2              P23

  IDE interface                J6       VGA port                   P24

  IDE interface LED            J10      Riser card slot            SL1

  Battery connector            J53

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome           P4           pins 1 & 2
                                                              closed

      Monitor type select color                P4              Open

     I/O address select 398h/399h             P5              Open

      I/O address select 26Eh/26Fh             P5           pins 1 & 2
                                                              closed

     Speaker select internal                  P8           pins 1 & 2
                                                              closed

      Speaker select external                  P8           pins 2 & 3
                                                              closed

     Battery type select external            P52           pins 1 & 2
                                                              closed

      Battery type select internal            P52           pins 2 & 3
                                                              closed

      CMOS memory clear                       P52              Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB         (1) 512K x    (1) 512K x        NONE           NONE
                    36             36

     4MB        (1) 1M x 36       NONE           NONE           NONE

     6MB         (1) 512K x    (1) 512K x     (1) 512K x        NONE
                    36             36             36

     6MB         (1) 512K x    (1) 512K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     6MB         (1) 256K x    (1) 256K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB         (1) 512K x    (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB        (1) 1M x 36   (1) 1M x 36        NONE           NONE

     8MB        (1) 2M x 36       NONE           NONE           NONE

     10MB       (1) 1M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     10MB        (1) 256K x    (1) 256K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36        NONE

     12MB       (1) 1M x 36   (1) 1M x 36     (1) 512K x    (1) 512K x 36
                                                  36

     12MB        (1) 512K x    (1) 512K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB       (1) 2M x 36   (1) 2M x 36        NONE           NONE

     16MB       (1) 4M x 36       NONE           NONE           NONE

     18MB       (1) 2M x 36   (1) 2M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     18MB        (1) 256K x    (1) 256K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     20MB       (1) 2M x 36   (1) 2M x 36     (1) 512K x    (1) 512K x 36
                                                  36

     20MB        (1) 512K x    (1) 512K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36        NONE

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 1M x 36     (1) 1M x 36

     24MB       (1) 1M x 36   (1) 1M x 36    (1) 2M x 36     (1) 2M x 36

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     32MB       (1) 4M x 36   (1) 4M x 36        NONE           NONE

     32MB       (1) 8M x 36       NONE           NONE           NONE

     34MB       (1) 4M x 36   (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     34MB        (1) 256K x    (1) 256K x    (1) 4M x 36     (1) 4M x 36
                    36             36

     36MB       (1) 4M x 36   (1) 4M x 36     (1) 512K x    (1) 512K x 36
                                                  36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     36MB        (1) 512K x     (1) 512K x     (1) 4M x 36   (1) 4M x 36
                     36             36

     40MB       (1) 4M x 36    (1) 4M x 36     (1) 1M x 36   (1) 1M x 36

     40MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36   (1) 4M x 36

     48MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36       NONE

     48MB       (1) 4M x 36    (1) 4M x 36     (1) 2M x 36   (1) 2M x 36

     48MB       (1) 2M x 36    (1) 2M x 36     (1) 4M x 36   (1) 4M x 36

     56MB       (1) 8M x 36    (1) 4M x 36     (1) 2M x 36       NONE

                          CPU TYPE CONFIGURATION

     CPU type           P1            P2            P3            P11

   80486DX2-50      pins 1 & 2    pins 2 & 3    pins 1 & 2     pins 2 & 3
                      closed        closed        closed        closed

    ODP486-50       pins 1 & 2    pins 2 & 3    pins 2 & 3     pins 2 & 3
                      closed        closed        closed        closed

   80486DX2-66      pins 1 & 2    pins 2 & 3    pins 1 & 2     pins 2 & 3
                      closed        closed        closed        closed

  Note: The location of P11 is unidentified.

                 ON-BOARD VIDEO CONFIGURATION

       Setting               P50                  P51

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed

      VESA VAIT STATE CONFIGURATION

     Wait states              P6

    0 wait states     pins 1 & 2 closed

    1 wait states            Open

