
TMC RESEARCH CORPORATION

PAT48PG4 (VER. 1.2A)

Processor  80486SX/SL80486SX/ODP486/CX486DX/80486DX/SL80486DX/
           80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/80486DX4/
           SL80486DX4/P24T/P24CT/CX5X86
Processor  25/33/40/50(internal)/50/63(internal)/66(internal)/80(internal)/
Speed      83(internal)/100(internal)/120(internal)MHz
Chip Set   OPTI
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          J3         Reset switch          J7 pins 9 &
                                                                 19

  Green PC connector        J5         IDE interface LED     J7 pins 10 &
                                                                 20

  IDE interface LED         J6         Power LED &           J7 pins 11 -
                                       keylock                   15

  Speaker               J7 pins 1     Green PC LED              J8
                            4

  Turbo switch          J7 pins 7 &    32-bit VESA local      SL1  SL3
                            17         bus slots

  Turbo LED             J7 pins 8 &
                            18

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Monitor type select color             JP1             Closed

      Monitor type select monochrome        JP1              Open

      Battery type select internal          JP2        Pins 2 & 3 closed

      Battery type select external          JP2              Open

      CMOS memory clear                     JP2        Pins 1 & 2 closed

      BIOS type select EPROM                JP3        Pins 2 & 3 closed

      BIOS type select flash BIOS           JP3        Pins 1 & 2 closed

     Factory configured - do not          JP11          Unidentified
      alter

                       DRAM CONFIGURATION 1

      Size            Bank 0           Bank 1          Bank 2

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

       4MB             None         (1) 1M x 36         None

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

       6MB          (4) 1M x 9     (1) 256K x 36    (1) 256K x 36

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

       8MB          (4) 1M x 9      (1) 1M x 36         None

      16MB             None         (1) 4M x 36         None

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

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

      20MB          (4) 4M x 9      (1) 1M x 36         None

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

      32MB          (4) 4M x 9      (1) 4M x 36         None

      64MB             None         (1) 16M x 36        None

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

      128MB        (4) 16M x 9      (1) 16M x 36        None

                       DRAM CONFIGURATION 2

      Size            Bank 0           Bank 1          Bank 2

       2MB         (4) 256K x 9         None        (1) 256K x 36

       4MB          (4) 1M x 9          None            None

       5MB         (4) 256K x 9         None         (1) 1M x 36

       6MB         (4) 256K x 9     (1) 1M x 36     (1) 256K x 36

       8MB          (4) 1M x 9          None         (1) 1M x 36

       8MB          (4) 1M x 9      (1) 1M x 36         None

      16MB          (4) 4M x 9          None            None

      17MB         (4) 256K x 9         None         (1) 4M x 36

      20MB          (4) 1M x 9          None         (1) 4M x 36

      20MB          (4) 1M x 9      (1) 4M x 36         None

      32MB          (4) 4M x 9          None         (1) 4M x 36

      32MB          (4) 4M x 9      (1) 4M x 36         None

      64MB         (4) 16M x 9          None            None

      128MB        (4) 16M x 9          None        (1) 16M x 36

      128MB        (4) 16M x 9      (1) 16M x 36        None

                       DRAM CONFIGURATION 3

      Size            Bank 0           Bank 1          Bank 2

       2MB             None        (1) 512K x 36        None

       4MB             None         (1) 1M x 36         None

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

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

       6MB          (4) 1M x 9          None        (1) 512K x 36

       8MB             None         (1) 2M x 36         None

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

       8MB          (4) 1M x 9          None         (1) 1M x 36

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

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

      16MB             None         (1) 4M x 36         None

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

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

      20MB          (4) 4M x 9          None         (1) 1M x 36

      32MB             None         (1) 8M x 36         None

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

      64MB             None         (1) 16M x 36        None

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

      128MB            None         (1) 32M x 36        None

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

      128MB        (4) 16M x 9          None        (1) 16M x 36

                      DRAM JUMPER CONFIGURATION

  Configuration        RNC1              RNC2             RNC3

        1            Installed      Not installed    Not installed

        2          Not installed      Installed      Not installed

        3          Not installed    Not installed      Installed

                            CACHE CONFIGURATION

     Size         Bank 0        Bank 1         TAG0            TAG1

     128KB      (4) 32K x 8      None          None         (1) 8K x 8

     256KB      (4) 32K x 8   (4) 32K x 8      None       (1) 16K/32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JP6                  JP7

        128KB          Pins 1 & 2 closed   Pins 1 & 2 closed

        256KB          Pins 2 & 3 closed   Pins 2 & 3 closed

                            CPU SPEED SELECTION

     Speed           JP5          JP12          JP13            JP14

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

     33MHz        1 & 2, 3 &     1 & 2          Open            Open
                      4

     40MHz        3 & 4, 5 &     2 & 3          Open           Closed
                  6, 7 & 8

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

     50MHz        1 & 2, 5 &     2 & 3         Closed          Closed
                  6, 7 & 8

     63iMHz       1 & 2, 5 &     1 & 2          Open            Open
                      6

     66iMHz       1 & 2, 3 &     1 & 2          Open            Open
                      4

     80iMHz       3 & 4, 5 &     2 & 3          Open           Closed
                  6, 7 & 8

     83iMHz       1 & 2, 3 &     1 & 2          Open            Open
                      4

    100iMHz       1 & 2, 3 &     1 & 2          Open            Open
                      4

    120iMHz       3 & 4, 5 &     2 & 3          Open           Closed
                  6, 7 & 8

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

     Type          RNA1           RNA2           RNA3            RNA4

   80486SX          Not            Not         Installed          Not
                 installed      installed                     installed

     Intel          Not            Not            Not             Not
   S-series      installed      installed      installed      installed

    ODP486          Not         Installed         Not             Not
                 installed                     installed      installed

   CX486DX          Not            Not            Not         Installed
                 installed      installed      installed

   80486DX       Installed         Not            Not             Not
                                installed      installed      installed

   80486DX2      Installed         Not            Not             Not
                                installed      installed      installed

   AM486DX4      Installed         Not            Not             Not
                                installed      installed      installed

      AMD           Not            Not            Not             Not
   enhanced      installed      installed      installed      installed

   80486DX4      Installed         Not            Not             Not
                                installed      installed      installed

     P24T           Not         Installed         Not             Not
                 installed                     installed      installed

    P24CT           Not         Installed         Not             Not
                 installed                     installed      installed

   CX 5X86       Installed         Not            Not             Not
                                installed      installed      installed

                        CPU TYPE SELECTION (CONT)

     Type           RNB1            RNB2            RNB3           W8

    80486SX       Installed     Not installed   Not installed    Closed

     Intel      Not installed     Installed     Not installed      N/A
   S-series

    ODP486        Installed     Not installed   Not installed     Open

    CX486DX     Not installed   Not installed    Installed       Closed

    80486DX       Installed     Not installed   Not installed    Closed

   80486DX2       Installed     Not installed   Not installed    Closed

   AM486DX4     Not installed     Installed     Not installed     Open

  AMD enhanced  Not installed     Installed     Not installed      N/A

   80486DX4       Installed     Not installed   Not installed     Open

     P24T         Installed     Not installed   Not installed     Open

     P24CT        Installed     Not installed   Not installed     Open

    CX 5X86     Not installed     Installed     Not installed     Open

               CPU TYPE SELECTION (WRITE BACK)

        Type                 JP15                 JP16

   AMD write back      Pins 1 & 2 closed   Pins 2 & 3 closed

  Intel write back     Pins 1 & 2 closed   Pins 2 & 3 closed

   Other CPU types           Open                 Open

