
TMC RESEARCH CORPORATION

PAT48AG4 (VER. 1.2B)

Processor  CX486SX/80486SX/SL80486SX/ODP486/CX486DX/AM486DXL/

           80486DX/SL80486DX/80486DX2/SL80486DX2/SL80486DX4/P24T
Processor  25/33/40/50(internal)/50/66(internal)/83(internal)/100(internal)MHz
Speed
Chip Set   ALI
Video Chip None
Set
Maximum    128MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256KB
BIOS       Unidentified
Dimensions 254mm x 218mm
I/O        32-bit VESA local bus slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  External battery          J2         Turbo LED             J8 pins 8 &
                                                                 18

  Green PC connector        J3         Reset switch          J8 pins 9 &
                                                                 19

  Green PC LED              J5         IDE interface LED     J8 pins 10 &
                                                                 20

  IDE interface LED         J7         Power LED &           J8 pins 11 -
                                       keylock                   15

  Speaker               J8 pins 1     32-bit VESA local      SL1  SL3
                            4          bus slots

  Turbo switch          J8 pins 7 &
                            17

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Monitor type select color               JP1             Closed

      Monitor type select monochrome          JP1              Open

      Battery type select internal            JP2           Pins 1 & 2
                                                              closed

      Battery type select external            JP2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2           Pins 2 & 3
                                                              closed

      BIOS type select EPROM                   W4           Pins 1 & 2
                                                              closed

      BIOS type select flash BIOS              W4           Pins 2 & 3
                                                              closed

                           DRAM CONFIGURATION 1

     Size          Bank 0         Bank 1        Bank 2          Bank 3

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

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

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

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

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

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

     24MB        (1) 2M x 36       None       (1) 4M x 36        None

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

     28MB        (1) 4M x 36    (1) 1M x 36   (1) 2M x 36        None

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

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

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

     40MB        (1) 4M x 36    (1) 4M x 36   (1) 1M x 36    (1) 1M x 36

     40MB        (1) 4M x 36    (1) 4M x 36   (1) 2M x 36        None

     40MB        (1) 8M x 36       None       (1) 1M x 36    (1) 1M x 36

     40MB        (1) 8M x 36       None       (1) 2M x 36        None

     48MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36        None

     48MB        (1) 8M x 36       None       (1) 4M x 36        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

     96MB        (1) 16M x 36   (1) 4M x 36   (1) 4M x 36        None

     96MB        (1) 8M x 36       None       (1) 16M x 36       None

     112MB       (1) 16M x 36   (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

     112MB       (1) 16M x 36   (1) 4M x 36   (1) 8M x 36        None

                           DRAM CONFIGURATION 2

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

     80MB        (1) 16M x 36  (1) 4M x 36        None           None

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

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

                DRAM/VL MASTER SLOT SELECTION

    Configuration       VL-master slot            JP18

          1            SL1, SL2 or SL3     Pins 1 & 2 closed

          2                  SL1           Pins 2 & 3 closed

                    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) 16K x 8

            CACHE JUMPER CONFIGURATION

      Size            RN128            RN256

      128KB         Installed      Not installed

      256KB       Not installed      Installed

                            CPU SPEED SELECTION

    Speed        JP3      JP4       JP5      JP22       JP23       JP24

    25MHz       1 & 2    1 & 2     1 & 2     1 & 2,    1 & 2      1 & 2
                                             5 & 6

    33MHz       1 & 2    1 & 2     1 & 2     3 & 4,    1 & 2      1 & 2
                                             5 & 6

    40MHz       2 & 3    2 & 3     2 & 3     1 & 2,    2 & 3      2 & 3
                                             3 & 4

    50iMHz      1 & 2    1 & 2     1 & 2     1 & 2,    1 & 2      1 & 2
                                             5 & 6

    50MHz       2 & 3    2 & 3     2 & 3     1 & 2,    2 & 3      2 & 3
                                             5 & 6

    66iMHz      1 & 2    1 & 2     1 & 2     3 & 4,    1 & 2      1 & 2
                                             5 & 6

    83iMHz      1 & 2    1 & 2     1 & 2     3 & 4,    1 & 2      1 & 2
                                             5 & 6

    100iMHz     2 & 3    2 & 3     2 & 3     1 & 2,    2 & 3      2 & 3
     (2x)                                    5 & 6

    100iMHz     1 & 2    1 & 2     1 & 2     3 & 4,    1 & 2      1 & 2
     (3x)                                    5 & 6

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

      Type             JP6           JP7            JP8           JP9

     CX486SX        Pins 2 & 3    Pins 1 & 2     Pins 2 & 3     Closed
                     closed         closed        closed

     80486SX        Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

    SL80486SX       Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

     ODP486         Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

     CX486DX        Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

    AM486DXL        Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

     80486DX        Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

    SL80486DX       Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

    80486DX2        Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

   SL80486DX2       Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

   SL80486DX4       Pins 1 & 2    Pins 1 & 2     Pins 1 & 2     Closed
                     closed         closed        closed

      P24T          Pins 1 & 2    Pins 2 & 3     Pins 1 & 2      Open
                     closed         closed        closed

                        CPU TYPE SELECTION (CONT)

     Type         JP10        JP11        JP12        JP13        JP14

   CX486SX       1 & 2        Open       1 & 2        Open        Open

   80486SX       1 & 2        Open       1 & 2        Open        Open

  SL80486SX      1 & 2        Open       1 & 2        Open        Open

    ODP486       1 & 2       1 & 2       2 & 3        Open        Open

   CX486DX       1 & 2       2 & 3       2 & 3        Open        Open

   AM486DXL      1 & 2       2 & 3       2 & 3        Open        Open

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

  SL80486DX      1 & 2       2 & 3       2 & 3        Open        Open

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

  SL80486DX2     1 & 2       2 & 3       2 & 3        Open        Open

  SL80486DX4     1 & 2       2 & 3       2 & 3        Open        Open

     P24T        1 & 2       1 & 2       2 & 3        Open       Closed

  Note: Pins designated should be in the closed position.

                    CPU TYPE SELECTION (CONT)

      Type             RNG1             RNG2            RNG3

     CX486SX      Not installed      Installed      Not installed

     80486SX        Installed      Not installed    Not installed

    SL80486SX       Installed      Not installed    Not installed

     ODP486         Installed      Not installed    Not installed

     CX486DX        Installed      Not installed    Not installed

    AM486DXL        Installed      Not installed    Not installed

     80486DX        Installed      Not installed    Not installed

    SL80486DX       Installed      Not installed    Not installed

    80486DX2        Installed      Not installed    Not installed

   SL80486DX2       Installed      Not installed    Not installed

   SL80486DX4       Installed      Not installed    Not installed

      P24T        Not installed    Not installed      Installed

                        CPU TYPE SELECTION (CONT)

     Type           RNGA           RNGB          RNGC            RNGD

    CX486SX          Not        Installed         Not             Not
                 installed                     installed      installed

    80486SX          Not            Not           Not             Not
                 installed      installed      installed      installed

   SL80486SX     Installed          Not           Not             Not
                                installed      installed      installed

    ODP486           Not            Not           Not             Not
                 installed      installed      installed      installed

    CX486DX          Not        Installed         Not             Not
                 installed                     installed      installed

   AM486DXL          Not            Not        Installed          Not
                 installed      installed                     installed

    80486DX          Not            Not           Not             Not
                 installed      installed      installed      installed

   SL80486DX     Installed          Not           Not             Not
                                installed      installed      installed

   80486DX2          Not            Not           Not             Not
                 installed      installed      installed      installed

  SL80486DX2     Installed          Not           Not             Not
                                installed      installed      installed

  SL80486DX4     Installed          Not           Not             Not
                                installed      installed      installed

     P24T            Not            Not           Not         Installed
                 installed      installed      installed

         CPU MULTIPLIER SELECTION

     Multiplier               JP28

       83iMHz          Pins 2 & 3 closed

    100iMHz (2x)       Pins 1 & 2 closed

    100iMHz (3x)              Open

  Non DX4 installed           Open

