
COMPAQ COMPUTER CORPORATION

PRESARIO 600 SERIES

(LOCAL BUS-486-BASED MODELS)

Processor     80486SX/80487SX/ODP486DX/80486DX/ODP486DX2/80486DX2
Processor     25/33/50(internal)/66(internal)MHz
Speed
Chip Set      Unidentified
Max. Onboard  56MB
DRAM
Cache         None
BIOS          Unidentified
Dimensions    258mm x 218mm
I/O Options   Riser card slot, floppy drive interface, IDE interface, VGA
              port, serial ports (2), parallel port, PS/2 mouse port
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  IDE interface                 J1      Serial port 1              P2

  External Battery              J5      Serial port 2              P3

  PS/2 mouse port               J7      VGA port                   P4

  Floppy drive interface        J8      Riser card slot            SL1

  Parallel port                 P1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J2              N/A
      alter

     Speaker type select internal             J4           pins 3 & 4
                                                              closed

      Speaker type select external             J4              Open

     Monitor type select color               J12              Open

      Monitor type select monochrome          J12           pins 1 & 2
                                                              closed

     I/O address type select                 J13              Open
      398h/399h

      I/O address type select                 J13           pins 1 & 2
      26Eh/26Fh                                               closed

     Battery type select external            P14           pins 1 & 2
                                                              closed

      Battery type select internal            P14           pins 2 & 3
                                                              closed

      CMOS memory clear                       P14              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 SPEED CONFIGURATION

        Speed                 P8

        25MHz         pins 2 & 3 closed

        33MHz         pins 1 & 2 closed

       50iMHz         pins 2 & 3 closed

       66iMHz         pins 1 & 2 closed

                          CPU TYPE CONFIGURATION

      Type            P7             P9            P10           P11

    80486SX        pins 2 & 3    pins 1 & 2     pins 2 & 3    pins 1 & 2
                    closed         closed        closed         closed

    80487SX        pins 2 & 3    pins 1 & 2     pins 2 & 3    pins 2 & 3
                    closed         closed        closed         closed

    ODP486DX       pins 2 & 3    pins 1 & 2     pins 2 & 3    pins 2 & 3
                    closed         closed        closed         closed

    80486DX        pins 2 & 3    pins 1 & 2     pins 2 & 3    pins 1 & 2
                    closed         closed        closed         closed

   ODP486DX2       pins 2 & 3    pins 1 & 2     pins 2 & 3    pins 2 & 3
                    closed         closed        closed         closed

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

                 ON-BOARD VIDEO CONFIGURATION

   On-board Video             P5                   P6

      Disabled         pins 1 & 2 closed   pins 2 & 3 closed

       Enabled         pins 1 & 2 closed   pins 2 & 3 closed

