
TMC RESEARCH CORPORATION

PCI48AL (VER. 0.10)

Processor  80486SX/SL80486SX//80487SX/CX486DX/80486DX/AM486DXL/SL80486DX/ODP486SX/CX486DX2/80486DX2/SL80486DX2/80486DX4/P24C/P24D/
           P24CP/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Unidentified
Max.       128MB
Onboard
DRAM
Cache      128/256KB
BIOS       Unidentified
Dimensions 330mm x 218mm
I/O        32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose               Location

  Serial port 1              CN1        Turbo switch         J12 pins 7 &
                                                                 17

  Serial port 2              CN2        Turbo LED            J12 pins 8 &
                                                                 18

  Parallel port              CN3        Reset switch         J12 pins 9 &
                                                                 19

  Floppy drive               CN4        IDE interface LED   J12 pins 10 &
  interface                                                      20

  IDE interface              CN5        Power LED &          J12 pins 11
  (primary)                             keylock                  -15

  IDE interface              CN6        32-bit PCI slots     PCI1 - PCI3
  (secondary)

  External battery           J9         Green PC                 SW
                                        connector

  Speaker                J12 pins 1 -
                              4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal            JP1           pins 2 & 3
                                                              closed

      Battery type select external            JP1              Open

      CMOS memory clear                       JP1           pins 1 & 2
                                                              closed

     IDE interface enabled                   JP2             Closed

      IDE interface disabled                  JP2              Open

     BIOS type select normal                 JP3           pins 2 & 3
                                                              closed

      BIOS type select flash                  JP3           pins 1 & 2
                                                              closed

     Monitor type select color               JP8             Closed

      Monitor type select monochrome          JP8              Open

     Factory configured - do not             JP11             N/A
      alter

     Factory configured - do not              W1              N/A
      alter

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

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

     32MB           NONE          NONE           NONE        (1) 8M x 36

     64MB           NONE          NONE           NONE       (1) 16M x 36

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

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

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

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

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

            CACHE CONFIGURATION

     Size          Bank 0          TAG

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

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

                    CACHE JUMPER CONFIGURATION

      Size             RNC1             RNC2            RNC3

      128KB         Installed      Not installed    Not installed

      256KB       Not installed      Installed      Not installed

                           CPU TYPE CONFIGURATION

    Type         RNA1         RNA2         RNA3         RNA4         RNA5

   80486SX        Not          Not      Installed        Not          Not
               installed   installed                 installed    installed

  SL80486SX       Not          Not      Installed        Not          Not
               installed   installed                 installed    installed

   80487SX        Not          Not          Not          Not      Installed
               installed   installed    installed    installed

   CX486DX     Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

   80486DX     Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

  AM486DXL     Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

  SL80486DX    Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

  ODP486SX        Not          Not          Not          Not      Installed
               installed   installed    installed    installed

  CX486DX2        Not      Installed        Not          Not          Not
               installed                installed    installed    installed

  80486DX2     Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

  SL80486DX2   Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

    P24C       Installed       Not          Not          Not          Not
                           installed    installed    installed    installed

    P24D          Not      Installed        Not          Not          Not
               installed                installed    installed    installed

    P24CT         Not          Not          Not      Installed        Not
               installed   installed    installed                 installed

   Pentium        Not          Not          Not      Installed        Not
  Overdrive    installed   installed    installed                 installed

                      CPU TYPE CONFIGURATION (CONT)

     Type           RNB1           RNB2          RNB3            RNB4

    80486SX      Installed          Not           Not             Not
                                installed      installed      installed

   SL80486SX         Not        Installed         Not             Not
                 installed                     installed      installed

    80487SX      Installed          Not           Not             Not
                                installed      installed      installed

    CX486DX          Not            Not        Installed          Not
                 installed      installed                     installed

    80486DX      Installed          Not           Not             Not
                                installed      installed      installed

   AM486DXL          Not            Not           Not         Installed
                 installed      installed      installed

   SL80486DX         Not        Installed         Not             Not
                 installed                     installed      installed

   ODP486SX      Installed          Not           Not             Not
                                installed      installed      installed

   CX486DX2          Not            Not        Installed          Not
                 installed      installed                     installed

   80486DX2      Installed          Not           Not             Not
                                installed      installed      installed

  SL80486DX2         Not        Installed         Not             Not
                 installed                     installed      installed

     P24C            Not        Installed         Not             Not
                 installed                     installed      installed

     P24D            Not        Installed         Not             Not
                 installed                     installed      installed

     P24CT           Not        Installed         Not             Not
                 installed                     installed      installed

    Pentium          Not        Installed         Not             Not
   Overdrive     installed                     installed      installed

                      CPU TYPE CONFIGURATION (CONT)

        Type                JP6              JP7               JP11

       80486SX             Open              Open           pins 1 & 2
                                                              closed

      SL80486SX            Open              Open           pins 1 & 2
                                                              closed

       80487SX             Open              Open           pins 1 & 2
                                                              closed

       CX486DX             Open              Open           pins 1 & 2
                                                              closed

       80486DX             Open              Open           pins 1 & 2
                                                              closed

     AM486DXL 2x           Open             Closed          pins 1 & 2
                                                              closed

     AM486DXL 3x           Open              Open           pins 1 & 2
                                                              closed

      SL80486Dx            Open              Open           pins 1 & 2
                                                              closed

      ODP486SX             Open              Open           pins 1 & 2
                                                              closed

     CX486DX2 2x          Closed             Open           pins 1 & 2
                                                              closed

      CX486DX2            Closed             Open           pins 1 & 2
                                                              closed

     CX486DX2 3x           Open              Open           pins 1 & 2
                                                              closed

    CX486DX2 (3v)          Open              Open           pins 2 & 3
                                                              closed

   CX486DX2 (3.3v)         Open              Open           pins 2 & 3
                                                              closed

      80486DX2            Closed             Open           pins 1 & 2
                                                              closed

     SL80486DX2            Open              Open           pins 1 & 2
                                                              closed

      CX486DX4             Open              Open           pins 1 & 2
                                                              closed

        P24C               Open              Open           pins 1 & 2
                                                              closed

   AM486DXL (3.3v)         Open             Closed          pins 1 & 2
                                                              closed

       P24C 2x            Closed             Open           pins 1 & 2
                                                              closed

       P24C 3x             Open              Open           pins 1 & 2
                                                              closed

        P24D               Open              Open           pins 1 & 2
                                                              closed

        P24CT              Open              Open           pins 1 & 2
                                                              closed

  Pentium Overdrive        Open              Open           pins 1 & 2
                                                              closed

                          CPU SPEED CONFIGURATION

   Speed          RND1           RND2            RND3           RND4

   25MHz       Installed          Not             Not       Not installed
                               installed      installed

   33MHz           Not         Installed          Not       Not installed
               installed                      installed

   40MHz           Not            Not         Installed     Not installed
               installed       installed

   50iMHz      Installed          Not             Not       Not installed
                               installed      installed

   50MHz           Not            Not             Not         Installed
               installed       installed      installed

   66iMHz          Not         Installed          Not       Not installed
               installed                      installed

   75iMHz      Installed          Not             Not       Not installed
                               installed      installed

  100iMHz          Not         Installed          Not       Not installed
               installed                      installed

            CPU VOLTAGE CONFIGURATION

     Voltage           JP9              JP10

  3.145v - 3.6v        Open            Closed

      4.0v            Closed            Open

                    DRQ/DACK CONFIGURATION

      DRQ/DACK               JP4                  JP5

     DRQ1/DACK1        pins 1 & 2 closed   pins 1 & 4 closed

     DRQ3/DACK3        pins 3 & 4 closed   pins 2 & 5 closed

