
ADVANCED INTEGRATION RESEARCH, INC.

AIR486PI REV. 1

Processor     80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor     25/33/50(internal)/66(internal)MHz
Speed
Chip Set      Intel
Max. Onboard  128MB
DRAM
Cache         128/256/512KB
BIOS          AMI
Dimensions    330mm x 218mm
I/O Options   32-bit PCI slots (3), 32-bit VESA local bus slots (2),
              floppy drive interfaces (2), green PC connector, IDE
              interface, parallel port, serial ports (2)
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Floppy drive               CN1       External battery            J2
  interface 2

  Floppy drive               CN2       Turbo switch                J3
  interface 1

  Parallel port              CN3       Speaker                     J4

  IDE interface              CN4       IDE interface LED           J5

  Green PC connector         CN5       Power LED & keylock         J6

  Serial port 1              CN6       Reset switch                J7

  Serial port 2              CN7       32-bit PCI slots        PC1 - PC3

  Turbo LED                   J1       32-bit VESA local bus   SL1 & SL2
                                       slots

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Green PC select auto                      CN5             Open

      Green PC select forced                    CN5            Closed

     CMOS memory normal operation              JP1          pins 1 & 2
                                                               closed

      CMOS memory clear                         JP1          pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP2          pins 1 & 2
                                                               closed

     Parallel port IRQ select IRQ7             JP3          pins 1 & 2
                                                               closed

      Parallel port IRQ select IRQ5             JP3          pins 2 & 3
                                                               closed

     Monitor type select                       JP5             Open
      VGA/EGA/monochrome

      Monitor type select CGA                   JP5            Closed

     Factory configured - do not alter         JP13         pins 1 & 2
                                                               closed

     Factory configured - do not alter         JP14         pins 1 & 2
                                                               closed

     Factory configured - do not alter         JP17           Closed

     Factory configured - do not alter         JP18            Open

     Factory configured - do not alter         JP23         pins 2 & 3
                                                               closed

     Factory configured - do not alter         JP24            Open

     Factory configured - do not alter         JP26           Closed

     Factory configured - do not alter         JP27            Open

     Factory configured - do not alter         JP28         pins 1 & 2
                                                               closed

     Factory configured - do not alter         JP29            Open

     Factory configured - do not alter         JP30            Open

  Note: The location of the factory configured jumpers are unknown.

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

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

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

     12MB       (1) 2M x 36   (1) 1M x 36        NONE          NONE

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

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

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

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

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

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

     24MB       (1) 2M x 36   (1) 4M x 36        NONE          NONE

     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

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

     40MB       (1) 2M x 36   (1) 4M x 36        NONE       (1) 4M x 36

     40MB       (1) 2M 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) 4M x 36    (1) 4M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

     72MB        (1) 2M x 36   (1) 16M x 36       NONE           NONE

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

     96MB        (1) 8M x 36   (1) 16M x 36       NONE           NONE

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

              CACHE CONFIGURATION

      Size          Bank 0          Bank 1

     128KB        (4) 32K x 8        NONE

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

     512KB        (4) 128K x 8       NONE

                   CACHE JUMPER CONFIGURATION

   Size        JP8        JP9       JP10       JP11       JP12

   128KB     Closed      Open       Open       Open       Open

   256KB      Open      Closed     Closed     Closed      Open

   512KB     Closed      Open       Open      Closed     Closed

          CPU TYPE CONFIGURATION

        Type                  JP25

       80486SX         pins 2 & 3 closed

       80487SX         pins 1 & 2 closed

   80486DX/DX2/DX4     pins 1 & 2 closed

  Pentium Overdrive    pins 1 & 2 closed

                          CPU SPEED CONFIGURATION

     Speed          JP19          JP20           JP21           JP22

     25MHz         Closed         Open           Open         pins 2 & 3
                                                               closed

     33MHz          Open         Closed         Closed        pins 1 & 2
                                                               closed

    50iMHz         Closed         Open           Open         pins 2 & 3
                                                               closed

    66iMHz          Open         Closed         Closed        pins 1 & 2
                                                               closed

                        FLOPPY DRIVE CONFIGURATION

   4 floppies      ECP mode          JP4           JP6           JP7
      used

      Yes          Disabled         Open          Open        pins 1 & 2
                                                                closed

       No         Enabled (DMA    pins 1 & 2    pins 1 & 2    pins 2 & 3
                      3)           closed        closed         closed

       No         Enabled (DMA    pins 2 & 3    pins 2 & 3    pins 2 & 3
                      1)           closed        closed         closed

