
IBM CORPORATION

APTIVA 2144/2168 C-2

Processor           80486SX/80486SX2/80487SX/486
                    Overdrive/80486DX/80486DX2
Processor Speed     25/33/50(internal)/66(internal)MHz
Chip Set            Unidentified
Video Chip Set      None
Maximum Onboard     128MB
Memory
Maximum Video       None
Memory
Cache               128/256KB
BIOS                IBM
Dimensions          330mm x 218mm
I/O Options         32-bit VESA/PCI local bus slot, floppy drive
                    interface, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2),VESA feature connector,
                    VGA port, riser slot
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  PS/2 mouse port            J2        VESA feature               J14
                                       connector

  Serial port 1              J3        LED connector              J26

  Serial port 2              J4        Speaker                    J27

  Parallel port              J5        On/off switch              J29
                                       connector

  VGA port                   J6        On/off switch power        J30
                                       supply connector

  Floppy drive               J7        Riser slot                 SL1
  interface

  IDE interface 1            J9        32-bit VESA/PCI            SL2
                                       local bus slot

  IDE interface 2           J10

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     On board video enabled                J15        Pins 1 & 2 closed

      On board video disabled               J15        Pins 2 & 3 closed

     Modem answers on ring                 JP5        Pins 2 & 3 closed

      Modem does not answer on ring         JP5        Pins 1 & 2 closed

      Factory configured - do not          JP10          Unidentified
      alter

     CMOS memory normal operation         JP14        Pins 1 & 2 closed

      CMOS memory clear                    JP14        Pins 2 & 3 closed

                            DRAM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     2MB         (1) 512K x        None           None           None
                    36

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

     6MB         (1) 512K x    (1) 1M x 36        None           None
                    36

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

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

     10MB        (1) 512K x     (1) 512K x     (1) 1M x 36       None
                    36              36

     12MB        (1) 512K x     (1) 512K x     (1) 2M x 36       None
                    36              36

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

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

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

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

     20MB       (1) 1M x 36    (1) 2M x 36     (1) 2M x 36       None

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

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

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

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

     28MB       (1) 1M x 36    (1) 2M x 36     (1) 2M x 36   (1) 2M x 36

     28MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36   (1) 1M x 36

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

     32MB       (1) 8M x 36   (1) 2M x 36        None          None

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 4M x 36       None

     32MB       (1) 2M x 36   (1) 4M x 36    (1) 2M x 36       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) 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) 4M x 36    (1) 4M x 36       None

     48MB       (1) 2M x 36   (1) 2M x 36    (1) 8M x 36       None

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

     52MB       (1) 1M 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

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

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

     68MB       (1) 1M x 36   (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

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

     80MB       (1) 2M x 36   (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     84MB       (1) 1M x 36   (1) 8M x 36    (1) 8M x 36    (1) 4M x 36

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

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

    100MB       (1) 1M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

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

                    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

                        CACHE JUMPER CONFIGURATION

       Size               J16                J17                J38

      128KB         Pins 2 & 3 closed        Open              Open

      256KB         Pins 1 & 2 closed       Closed             Open

          CPU SPEED SELECTION

  Speed      J35       J36      J37

  25MHz     Open     Closed    Closed

  33MHz     Open     Closed     Open

  50iMHz    Open     Closed    Closed

  50MHz     Open      Open      Open

  66iMHz    Open     Closed     Open

                      CPU TYPE SELECTION

        Type                 J23                  J24

       80486SX         Pins 1 & 2 closed          Open

      80486SX2         Pins 2 & 3 closed          Open

       80487SX         Pins 2 & 3 closed         Closed

    486 Overdrive      Pins 2 & 3 closed         Closed

       80486DX         Pins 2 & 3 closed          Open

      80486DX2         Pins 2 & 3 closed          Open

                            LOCAL BUS SELECTION

   Setting       JP3          JP4            JP7               JP13

  VESA local  Pins 1 & 2   Pins 1 & 2    Unidentified      Unidentified
     bus        closed       closed

  PCI local   Pins 2 & 3   Pins 2 & 3    Unidentified      Unidentified
     bus        closed       closed

