
TMC RESEARCH CORPORATION

PCI48AF (VER. 3.0)

Processor  SL80486SX/80486SX/SL80486SX2/SL80486DX/80486DX/CX486M7/
           TI486DX2/UMCU5/(SL)AM486DX2/AM486DX2/SL80486DX2/80486DX2/CXM1/(SL)AM486DX4/AM486DX4/80486DX4/P24D/Pentium
           Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz
Speed
Chip Set   ALI
Max.       128MB
Onboard
DRAM
Cache      128/256/512KB
BIOS       Unidentified
Dimensions 254mm x 218mm
I/O        PS/2 mouse interface, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE
Options    interface (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                 Location

  Serial port 1             J1        Speaker               JP23 pins 1 -
                                                                 4

  Serial port 2             J2        Turbo switch          JP23 pins 7 &
                                                                 17

  Parallel port             J3        Turbo LED             JP23 pins 8 &
                                                                 18

  Floppy drive              J4        Reset switch          JP23 pins 9 &
  interface                                                      19

  IDE interface 1           J5        Power LED &          JP23 pins 11 -
                                      keylock                    15

  IDE interface 2           J6        IDE interface LED    JP23 pins 10 &
                                                                 20

  PS/2 mouse               JP3        32-bit PCI slots       PC1 - PC4
  interface

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CMOS memory normal operation           JP22           pins 1 & 2
                                                              closed

      CMOS memory clear                      JP22           pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     2MB         (1) 256K x     (1) 256K x       NONE           NONE
                     36            36

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

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

     4MB         (1) 256K x     (1) 256K x     (1) 256K x   (1) 256K x 36
                     36            36             36

     4MB         (1) 512K x       NONE         (1) 256K x   (1) 256K x 36
                     36                           36

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

     5MB         (1) 256K x    (1) 1M x 36       NONE           NONE
                     36

     6MB         (1) 256K x     (1) 256K x    (1) 1M x 36       NONE
                     36            36

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

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

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

     10MB        (1) 256K x     (1) 256K x    (1) 1M x 36    (1) 1M x 36
                     36            36

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

     10MB        (1) 512K x       NONE        (1) 2M x 36       NONE
                     36

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

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

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

     17MB        (1) 256K x    (1) 4M x 36       NONE           NONE
                     36

     20MB       (1) 1M 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

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

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

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

    128MB       (1) 32M x 36      NONE           NONE           NONE

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     128KB        (4) 32K x 8     (1) 8K x 8

     256KB        (4) 64K x 8    (1) 16K x 8

     512KB        (4) 128K x 8   (1) 32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JP4                  JP5

        128KB          pins 2 & 3 closed   pins 2 & 3 closed

        256KB          pins 2 & 3 closed   pins 1 & 2 closed

        512KB          pins 1 & 2 closed   pins 1 & 2 closed

                          CPU TYPE CONFIGURATION

     Type         JP10        JP11        JP12       JP13         JP14

   SL80486SX      1 & 2       1 & 2      3 & 4       3 & 4       Closed

    80486SX       1 & 2       1 & 2       Open       1 & 2        Open

  SL80486SX2      1 & 2       1 & 2      3 & 4       3 & 4       Closed

   SL80486DX      2 & 3       1 & 2      3 & 4       3 & 4       Closed

    80486DX       2 & 3       1 & 2       Open       1 & 2        Open

    CX486M7       2 & 3       1 & 2      5 & 6       5 & 6       Closed

   TI486DX2       2 & 3       1 & 2      5 & 6       5 & 6       Closed

    UMC U5        1 & 2       1 & 2      1 & 2       1 & 2        Open

  SL AM486DX2     2 & 3       2 & 3      3 & 4       3 & 4       Closed

   AM486DX2       2 & 3       1 & 2       Open       1 & 2        Open

  SL80486DX2      2 & 3       1 & 2      3 & 4       3 & 4       Closed

   80486DX2       2 & 3       1 & 2       Open       1 & 2        Open

     CXM1         2 & 3       1 & 2      3 & 4       3 & 4       Closed

  SL AM486DX4     2 & 3       2 & 3      3 & 4       3 & 4       Closed

   AM486DX4       2 & 3       1 & 2       Open       1 & 2       Closed

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

     P24D         2 & 3       2 & 3      3 & 4       3 & 4       Closed

     P24T         2 & 3       2 & 3      3 & 4       3 & 4       Closed

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type          JP15        JP17       JP18       JP19        JP20

   SL80486SX        Open        Open      3 & 4       Open       Closed

    80486SX         Open        Open       Open       Open       Closed

   SL80486SX2       Open        Open      3 & 4       Open       Closed

   SL80486DX        Open        Open      3 & 4      2 & 3       Closed

    80486DX         Open        Open       Open      2 & 3       Closed

    CX486M7         Open       1 & 2      5 & 6      2 & 3        Open

    TI486DX2        Open       1 & 2      5 & 6      2 & 3        Open

     UMC U5         Open        Open      1 & 2       Open       Closed

  SL AM486DX2       Open      1 & 3, 5    3 & 4      2 & 3       Closed
                                & 6

    AM486DX2       Closed       Open       Open      2 & 3       Closed

   SL80486DX2       Open        Open      3 & 4      2 & 3       Closed

    80486DX2        Open        Open       Open      2 & 3       Closed

      CXM1          Open       5 & 6      3 & 4      2 & 3       Closed

  SL AM486DX4       Open       5 & 6      3 & 4      2 & 3       Closed

    AM486DX4        Open        Open       Open      2 & 3       Closed

                   CPU TYPE CONFIGURATION (CONT)

    Type       JP15        JP17       JP18        JP19       JP20

  80486DX4     Open        Open       3 & 4       2 & 3     Closed

    P24D       Open       5 & 6       3 & 4       2 & 3     Closed

    P24T       Open        Open       3 & 4       1 & 2     Closed

  Note: Pins designated should be in the closed position.

    CPU SPEED CONFIGURATION

   Speed      JP6        JP8

   25MHz      Open      Open

   33MHz     Closed    Closed

   40MHz     Closed     Open

  50iMHz      Open      Open

   50MHz      Open     Closed

  66iMHz     Closed    Closed

  75iMHz      Open      Open

  80iMHz     Closed     Open

  100iMHz    Closed    Closed

  120iMHz    Closed    Closed

        CPU VOLTAGE CONFIGURATION

       Voltage               JP21

        3.45v         pins 1 & 2 closed

         4v           pins 3 & 4 closed

         5v           pins 5 & 6 closed

                      DMA CONFIGURATION

         DMA                 JP1                  JP2

        DMA 1          pins 2 & 3 closed   pins 2 & 3 closed

        DMA 3          pins 1 & 2 closed   pins 1 & 2 closed

