
IBM CORPORATION

APTIVA 2142 TYPE A-1

Device Type                Mainboard
Processor                  Pentium
Processor Speed            166/200/233MHz
Chip Set                   Unidentified
Video Chip Set             Trident
Maximum Onboard Memory     384MB (SDRAM supported)
Maximum Video Memory       4MB (SGRAM supported)
Cache                      512KB
BIOS                       Unidentified
Dimensions                 305mm x 244mm
I/O Options                32-bit PCI slots (3), floppy drive interface,
                           game/MIDI port, IDE interfaces (2), parallel
                           port, PS/2 mouse port, serial ports (2), VGA
                           feature connector, VGA port, IR connector, USB
                           connectors (2), ATX power connector, line in,
                           line out, microphone in, audio in  CD/DVD-ROM
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  ATX power connector        ATX       AC-3 connector             J27

  Chassis fan power          J1        Game/MIDI port             J29

  USB connector 1            J2        Line out                   J29A

  USB connector 2            J2A       Line in                    J29B

  VGA interface              J3        Microphone in              J29C

  IDE interface 1            J8        Audio in  CD/DVD-ROM      J30

  IDE interface 2            J9        TV in connector            J31

  VGA port                   J10       Modem audio in             J32

  VGA feature connector      J14       Media console              J33
                                       connector

  Parallel port              J23       Power, power LED, IDE      J38
                                       LED

  Serial port 1             J23A       Speaker                    J39

  PS/2 mouse port            J24       Audio amplifier            J41
                                       connector

  Floppy drive               J26       32-bit PCI slots         PC1  PC3
  interface

  Note: The location of J3 is unidentified.

                        USER CONFIGURABLE SETTINGS

               Function                   Label            Position

     Factory configured - do not          J40           Unidentified
      alter

     Factory configured - do not          JP1         Pins 1 & 3, 2 & 4
      alter                                                 closed

     Factory configured - do not          JP2              Closed
      alter

     On board video enabled               JP4        Pins 1 & 2 closed

      On board video disabled              JP4        Pins 2 & 3 closed

      VGA INTA# select                     JP5         Pins 1 & 3, 2 & 4
                                                            closed

     CMOS memory normal operation         JP6        Pins 1 & 2 closed

      CMOS memory clear                    JP6        Pins 2 & 3 closed

      Floppy drive write enabled           JP11       Pins 1 & 2 closed

      Floppy drive write disabled          JP11       Pins 2 & 3 closed

      CS4610 interrupt select              JP21       Pins 1 & 2 closed

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

     16MB       (1) 1M x 64    (1) 1M x 64       None

     24MB       (1) 2M x 64    (1) 1M x 64       None

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

      24MB        (1) 1M x 64     (1) 1M x 64    (1) 1M x 64

      32MB        (1) 4M x 64        None            None

      32MB        (1) 2M x 64     (1) 1M x 64    (1) 1M x 64

      32MB        (1) 2M x 64     (1) 2M x 64        None

      40MB        (1) 4M x 64     (1) 1M x 64        None

      40MB        (1) 2M x 64     (1) 2M x 64    (1) 1M x 64

      48MB        (1) 4M x 64     (1) 1M x 64    (1) 1M x 64

      48MB        (1) 2M x 64     (1) 2M x 64    (1) 2M x 64

      56MB        (1) 4M x 64     (1) 2M x 64    (1) 1M x 64

      64MB        (1) 8M x 64        None            None

      64MB        (1) 4M x 64     (1) 2M x 64    (1) 2M x 64

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

      72MB        (1) 8M x 64     (1) 1M x 64        None

      72MB        (1) 4M x 64     (1) 4M x 64    (1) 1M x 64

      80MB        (1) 8M x 64     (1) 1M x 64    (1) 1M x 64

      80MB        (1) 8M x 64     (1) 2M x 64        None

      80MB        (1) 4M x 64     (1) 4M x 64    (1) 2M x 64

      96MB        (1) 8M x 64     (1) 2M x 64    (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64        None

      96MB        (1) 4M x 64     (1) 4M x 64    (1) 4M x 64

     112MB        (1) 8M x 64     (1) 4M x 64    (1) 2M x 64

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

     144MB       (1) 16M x 64     (1) 1M x 64    (1) 1M x 64

     144MB       (1) 16M x 64     (1) 2M x 64        None

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64        None

     160MB        (1) 8M x 64     (1) 8M x 64    (1) 4M x 64

     168MB       (1) 16M x 64     (1) 4M x 64    (1) 1M x 64

     192MB       (1) 16M x 64     (1) 4M x 64    (1) 4M x 64

     192MB        (1) 8M x 64     (1) 8M x 64    (1) 8M x 64

     200MB       (1) 16M x 64     (1) 8M x 64    (1) 1M x 64

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

                        CACHE CONFIGURATION

  Note: 512KB cache is factory installed and is not configurable.

                        VIDEO MEMORY CONFIGURATION

  Note: To increase video memory from 2MB to 4MB, install upgrade in J11.

                            CPU SPEED SELECTION

   CPU speed      Clock speed     Multiplier        JP3          JP12

     166MHz          66MHz           2.5x        1 & 3, 2 &    1 & 2, 3 &
                                                     4             4

     200MHz          66MHz            3x         2 & 4, 3 &    1 & 2, 3 &
                                                     5             4

     233MHz          66MHz           3.5x        3 & 5, 4 &    1 & 2, 3 &
                                                     6             4

  Note: Pins designated should be in the closed position.

