
ADVANCED INTEGRATION RESEARCH, INC.

486SH REV. 3.0

Processor   80486SX/80487SX/ODP486SX/80486DX/80486DX2/80486DX4/Pentium
            Overdrive
Processor   25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set    SIS
Max.        128MB
Onboard
DRAM
Cache       128/256/512KB
BIOS        AMI
Dimensions  254mm x 218mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Power LED & keylock         J1        Turbo LED                  J4

  Reset switch                J2        Turbo switch               J5

  Speaker                     J3        32-bit VESA Local      SL1 - SL3
                                        bus slots

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     CMOS memory normal operation              JP16         pins 1 & 2
                                                               closed

      CMOS memory clear                         JP16         pins 2 & 3
                                                               closed

     Monitor type select                       JP17            Open
      VGA/EGA/monochrome

      Monitor type select CGA                   JP17           Closed

                            DRAM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     2MB         (1) 512K x        NONE           NONE           NONE
                    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) 1M x 36        NONE           NONE
                    36

     8MB         (1) 512K x     (1) 512K x     (1) 1M x 36       NONE
                    36              36

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

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

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

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

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

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

     18MB        (1) 512K x    (1) 4M x 36        NONE           NONE
                    36

     20MB        (1) 512K x     (1) 512K x     (1) 4M x 36       NONE
                    36              36

     20MB       (1) 1M x 36    (1) 4M x 36        NONE           NONE

     24MB        (1) 512K x     (1) 512K x     (1) 1M x 36   (1) 4M x 36
                    36              36

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

     24MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36       NONE

     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

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

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

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

     40MB       (1) 1M x 36    (1) 1M x 36     (1) 8M x 36       NONE

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

     48MB       (1) 4M x 36    (1) 8M x 36        NONE           NONE

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

     64MB       (1) 4M x 36    (1) 4M x 36     (1) 8M x 36       NONE

     64MB       (1) 16M x 36       NONE           NONE           NONE

     64MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36   (1) 4M x 36

     64MB       (1) 8M x 36    (1) 8M x 36        NONE           NONE

     68MB       (1) 1M x 36    (1) 16M x 36       NONE           NONE

     68MB       (1) 1M x 36    (1) 8M x 36     (1) 8M x 36       NONE

     72MB       (1) 1M x 36    (1) 1M x 36      (1) 16M x        NONE
                                                   36

     72MB       (1) 1M x 36    (1) 1M x 36     (1) 8M x 36   (1) 8M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     80MB        (1) 4M x 36   (1) 8M x 36    (1) 8M x 36        NONE

     80MB        (1) 4M x 36   (1) 16M x 36       NONE           NONE

     96MB        (1) 4M x 36   (1) 4M x 36    (1) 16M x 36       NONE

     96MB        (1) 4M x 36   (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     96MB        (1) 8M x 36   (1) 8M x 36    (1) 8M x 36        NONE

     128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

     128MB       (1) 16M x 36  (1) 16M x 36       NONE           NONE

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     128KB        (4) 32K x 8        NONE         (1) 8K x 8

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

     Size         JP1         JP2         JP3         JP4         JP33

    128KB        1 & 2       1 & 2      1 & 2, 3     1 & 2       2 & 3
                                          & 4

    256KB        2 & 3       2 & 3      2 & 3, 4     1 & 2       2 & 3
                                          & 5

    512KB        1 & 2       2 & 3      1 & 2, 3     2 & 3       2 & 3
                                          & 4

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

       Type            JP8           JP9          JP11           JP36

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

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

     ODP486SX       pins 1 & 2      Closed      pins 2 & 3    pins 1 & 2
                      closed                     closed         closed

   80486DX/DX2      pins 1 & 2      Closed      pins 3 & 4    pins 1 & 2
                      closed                     closed         closed

     80486DX4       pins 1 & 2      Closed      pins 3 & 4    pins 2 & 3
                      closed                     closed         closed

      Pentium       pins 1 & 2      Closed      pins 2 & 3    pins 1 & 2
    Overdrive         closed                     closed         closed

                          CPU SPEED CONFIGURATION

     Speed          JP5            JP6           JP7            JP29

     25MHz         Closed        Closed          Open         pins 1 & 2
                                                               closed

     33MHz          Open         Closed         Closed        pins 1 & 2
                                                               closed

     40MHz         Closed         Open           Open         pins 2 & 3
                                                               closed

    50iMHz         Closed        Closed          Open         pins 1 & 2
                                                               closed

     50MHz          Open          Open          Closed        pins 2 & 3
                                                               closed

    66iMHz          Open         Closed         Closed        pins 1 & 2
                                                               closed

