
TMC RESEARCH CORPORATION

PAT48PR (VER. 1.4)

Processor              80486SX/OPD486/80487SX/80486DX/80486DX2
Processor Speed        25/33/40/50(internal)/50/66(internal)MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 64MB
Maximum Video Memory   None
Cache                  64/128/256KB
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            32-bit VESA local bus slots (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Speaker               J1 pins 1     Power LED &           J1 pins 11 -
                            4          keylock                   15

  Turbo switch          J1 pins 7 &    IDE interface LED         J2
                            17

  Turbo LED             J1 pins 8 &    External battery          J4
                            18

  Reset switch          J1 pins 9 &    32-bit VESA local      SL1 & SL2
                            19         bus slots

  IDE interface LED    J1 pins 10 &
                            20

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Battery type select internal            JP1           Pins 2 & 3
                                                              closed

      Battery type select external            JP1              Open

      CMOS memory clear                       JP1           Pins 1 & 2
                                                              closed

      Monitor type select color               JP4             Closed

      Monitor type select monochrome          JP4              Open

                           DRAM CONFIGURATION 1

     Size         Bank 0          Bank 1         Bank 2         Bank 3

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

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

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

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

     6MB        (4) 256K x 9   (4) 256K x 9    (1) 1M x 36       None

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

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

     10MB       (4) 256K x 9   (4) 256K x 9    (1) 1M x 36   (1) 1M x 36

     12MB       (4) 1M x 9      (4) 1M x 9     (1) 1M x 36       None

     13MB       (4) 256K x 9    (4) 1M x 9     (1) 1M x 36   (1) 1M x 36

     16MB       (4) 1M x 9      (4) 1M x 9     (1) 1M x 36   (1) 1M x 36

     16MB       (4) 4M x 9         None           None           None

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

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

     24MB       (4) 1M x 9      (4) 4M x 9     (1) 1M x 36       None

     24MB       (4) 4M x 9      (4) 1M x 9     (1) 1M x 36       None

     28MB       (4) 1M x 9      (4) 4M x 9     (1) 1M x 36   (1) 1M x 36

     28MB       (4) 4M x 9      (4) 1M x 9     (1) 1M x 36   (1) 1M x 36

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

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

     40MB       (4) 4M x 9      (4) 4M x 9     (1) 1M x 36   (1) 1M x 36

     48MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9        None

     52MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9    (1) 1M x 36

     52MB       (4) 4M x 9      (4) 1M x 9     (4) 4M x 9    (1) 4M x 36

     64MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9    (1) 4M x 36

                          DRAM CONFIGURATION 2

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

     12MB       (4) 1M x 9        None       (1) 1M x 36    (1) 1M x 36

     16MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 1M x 36

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

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

     24MB       (4) 1M x 9        None       (1) 4M x 36    (1) 1M x 36

     24MB       (4) 4M x 9        None       (1) 1M x 36    (1) 1M x 36

     28MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36    (1) 1M x 36

     28MB       (4) 1M x 9     (4) 1M x 9    (1) 4M x 36    (1) 1M x 36

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

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

     40MB       (4) 4M x 9     (4) 4M x 9    (1) 1M x 36    (1) 1M x 36

     40MB       (4) 1M x 9     (4) 1M x 9    (1) 4M x 36    (1) 4M x 36

     48MB       (4) 4M x 9        None       (1) 4M x 36    (1) 4M x 36

     52MB       (4) 4M x 9     (4) 1M x 9    (1) 4M x 36    (1) 4M x 36

     52MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36    (1) 1M x 36

     64MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36    (1) 4M x 36

                          DRAM CONFIGURATION 3

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

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

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

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

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

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

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

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

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

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

                                 DRAM RESISTOR CONFIGURATION

  Configuration     RNB1         RNC1         RND1         RNB2         RNC2        RND2

       1             Not      Installed        Not          Not      Installed       Not
                  installed                installed    installed                 installed

       2             Not          Not      Installed        Not          Not      Installed
                  installed   installed                 installed    installed

       3          Installed       Not          Not      Installed        Not         Not
                              installed    installed                 installed    installed

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1         TAG0           TAG1

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

     128KB      (4) 32K x 8        None       (1) 64K x 1    (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 64K x 1    (1) 32K x 8

                    CACHE JUMPER CONFIGURATION

      Size             RND              RNE              RNF

      64KB          Installed      Not installed    Not installed

      128KB       Not installed      Installed      Not installed

      256KB       Not installed    Not installed      Installed

                        CPU SPEED SELECTION

  Speed      JP2      JP3       W13       W14      W15       W16

  25MHz     2 & 3     Open     Open      Open     Closed     Open

  33MHz     2 & 3     Open     Open      Open      Open     Closed

  40MHz     1 & 2    Closed    Open      Closed    Open      Open

  50iMHz    2 & 3     Open     Open      Open     Closed     Open

  50MHz     1 & 2    Closed    Open      Open     Closed     Open

  66iMHz    2 & 3     Open     Open      Open      Open     Closed

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION

      Type             RNA3             RNB3            RNC3

     80486SX      Not installed    Not installed      Installed

     OPD486       Not installed      Installed      Not installed

     80487SX      Not installed      Installed      Not installed

     80486DX        Installed      Not installed    Not installed

    80486DX2        Installed      Not installed    Not installed

                          VL BUS SPEED SELECTION

      Speed              JP5                JP6                JP7

     <= 33MHz            Open              Open         Pins 1 & 2 closed

     >33 MHz            Closed            Closed        Pins 2 & 3 closed

                             VL BUS SELECTION

    CPU speed       # of VL-bus          RNE1                 RNE2
                      cards

      33MHz             2              Installed         Not installed

      50MHz             2              Installed         Not installed

      50MHz             1            Not installed         Installed

     66iMHz             2              Installed         Not installed

  Note: 50MHz with 2 cards installed are not recommend by the
  manufacturer.

