
IBM CORPORATION

APTIVA 2168

Processor       80486SX/80486SX2/80487SX/80486DX/80486DX2/P24T
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set        Unidentified
Video Chip Set  Unidentified
Maximum Onboard 64MB
Memory
Maximum Video   1MB
Memory
Cache           None
BIOS            Unidentified
Dimensions      254mm x 218mm
I/O Options     Floppy drive interface, IDE interfaces (2), parallel port,
                PS/2 mouse port, serial ports (2), VESA feature connector,
                VGA port, riser slot, wake up on ring connector
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  VGA port                   CN1       IDE interface 2             CN9

  Parallel port              CN2       IDE interface LED           J26

  Serial port                CN3       Speaker                     J27

  Serial port                CN4       Auxiliary power             J29
                                       connector

  PS/2 mouse port            CN5       Auxiliary power             J30
                                       connector

  VESA feature connector     CN6       Chassis fan power           J38

  IDE interface 1            CN7       Wake up on ring             JP5
                                       connector

  Floppy drive interface     CN8       Riser slot                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      On board video enabled                  J15           Pins 1 & 2
                                                              closed

      On board video disabled                 J15           Pins 2 & 3
                                                              closed

      Parity enabled                          J50           Pins 1 & 2
                                                              closed

      Parity disabled                         J50           Pins 2 & 3
                                                              closed

      Password normal operation               JP14          Pins 1 & 2
                                                              closed

      Password clear                          JP14          Pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (1) 512K x 36         None

       4MB         (1) 1M x 36          None

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

       8MB         (1) 2M x 36          None

      10MB        (1) 512K x 36     (1) 2M x 36

      12MB         (1) 2M x 36      (1) 1M x 36

      16MB         (1) 4M x 36          None

      16MB         (1) 2M x 36      (1) 2M x 36

      18MB         (1) 4M x 36     (1) 512K x 36

      20MB         (1) 1M x 36      (1) 4M x 36

      24MB         (1) 4M x 36      (1) 2M x 36

      32MB         (1) 8M x 36          None

      32MB         (1) 4M x 36      (1) 4M x 36

      34MB         (1) 8M x 36     (1) 512K x 36

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

      40MB         (1) 8M x 36      (1) 2M x 36

      48MB         (1) 4M x 36      (1) 8M x 36

      64MB         (1) 8M x 36      (1) 8M x 36

  Note: Banks are interchangeable.

                        VIDEO MEMORY CONFIGURATION

          Size                    Bank 0                   Bank 1

          512KB                   512KB                     None

           1MB                    512KB                (1) 256K x 16

            Note: 1MB video memory may be already factory installed. Bank
            0 is factory installed and is not configurable.

  CPU SPEED SELECTION

   Speed        J37

   25MHz       Closed

   33MHz        Open

   50iMHz      Closed

   66iMHz       Open

                            CPU TYPE SELECTION

    Processor        Processor        J24           J25           J31
    installed        upgrade

     80486SX         80486SX2      Pins 1 & 2    Pins 2 & 3    Pins 1 & 2
                                     closed       closed        closed

     80486SX         80487SX       Pins 2 & 3    Pins 2 & 3    Pins 1 & 2
                                     closed       closed        closed

     80486SX         80486DX       Pins 1 & 2    Pins 2 & 3    Pins 1 & 2
                                     closed       closed        closed

     80486SX         80486DX2      Pins 1 & 2    Pins 2 & 3    Pins 1 & 2
                                     closed       closed        closed

     80486SX           P24T        Pins 2 & 3    Pins 2 & 3    Pins 1 & 2
                                     closed       closed        closed

    80486SX2           P24T        Pins 2 & 3    Pins 1 & 2    Pins 2 & 3
                                     closed       closed        closed

     80486DX         80486SX2      Pins 2 & 3    Pins 1 & 2    Pins 2 & 3
                                     closed       closed        closed

     80486DX         80486DX2      Pins 1 & 2    Pins 1 & 2    Pins 2 & 3
                                     closed       closed        closed

     80486DX           P24T        Pins 1 & 2    Pins 1 & 2    Pins 2 & 3
                                     closed       closed        closed

    80486DX2           P24T        Pins 2 & 3    Pins 1 & 2    Pins 2 & 3
                                     closed       closed        closed

