
A-TREND TECHNOLOGY CORPORATION

ATC-1040

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     128MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          305mm x 201mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2), IR connector, USB
                    connector, ATX power connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power supply         ATX         Reset switch         J1 pins 1 & 2

  Serial port 2            CN1         Green PC connector   J1 pins 4 & 5

  Parallel port            CN2         Turbo LED            J1 pins 7 & 8

  PS/2 mouse port          CN3         IDE interface LED     J1 pins 10 &
                                                                 11

  Serial port 1            CN4         Speaker               J1 pins 12 -
                                                                 15

  Floppy drive             CN5         Power LED &           J1 pins 17 -
  interface                            keylock                   21

  IDE interface 2          CN6         Soft off power            JP1
                                       supply

  IDE interface 1          CN7         32-bit PCI slots       PC1  PC4

  Chassis fan power        FAN         USB connector             USB

  IR connector              IR

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP5          Unidentified
      alter

     Flash BIOS write protect              JP9        Pins 2 & 3 closed
      disabled

      Flash BIOS write protect              JP9        Pins 1 & 2 closed
      enabled

     CMOS memory normal operation         JP16              Open

      CMOS memory clear                    JP16             Closed

                   DIMM CONFIGURATION

       Size              Bank 2             Bank 3

        8MB           (1) 1M x 64            None

       16MB           (1) 1M x 64        (1) 1M x 64

       16MB           (1) 2M x 64            None

       32MB           (1) 2M x 64        (1) 2M x 64

       32MB           (1) 4M x 64            None

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

       64MB           (1) 8M x 64            None

  Note: Do not install DIMM and SIMM at the same time.

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

     16MB        (2) 1M x 36   (2) 1M x 36

     24MB        (2) 2M x 36   (2) 1M x 36

     32MB        (2) 4M x 36      None

     32MB        (2) 2M x 36   (2) 2M x 36

     40MB        (2) 4M x 36   (2) 1M x 36

     48MB        (2) 4M x 36   (2) 2M x 36

     64MB        (2) 8M x 36      None

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 8M x 36   (2) 1M x 36

          DRAM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

      80MB        (2) 8M x 36    (2) 2M x 36

      96MB        (2) 8M x 36    (2) 4M x 36

     128MB        (2) 8M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                        CPU SPEED SELECTION (CYRIX)

    CPU       Clock     Multiplier     JP3    JP4     JP6    JP7     JP8
   speed      speed

  120MHz      50MHz         2x         1 &     2 &    1 &     1 &   1 & 2
                                        2      3       2      2

  150MHz      60MHz         2x         1 &     2 &    2 &     1 &   1 & 2
                                        2      3       3      2

  166MHz      66MHz         2x         1 &     2 &    1 &     2 &   1 & 2
                                        2      3       2      3

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU       Clock     Multiplier     JP3    JP4     JP6    JP7     JP8
   speed      speed

   75MHz      50MHz        1.5x        1 &     1 &    1 &     1 &   1 & 2
                                        2      2       2      2

   90MHz      60MHz        1.5x        1 &     1 &    2 &     1 &   1 & 2
                                        2      2       3      2

  100MHz      66MHz        1.5x        1 &     1 &    1 &     2 &   1 & 2
                                        2      2       2      3

  120MHz      60MHz        1.5x        1 &     1 &    2 &     1 &   1 & 2
                                        2      2       3      2

  133MHz      66MHz        1.5x        1 &     1 &    1 &     2 &   1 & 2
                                        2      2       2      3

  166MHz      66MHz        2.5x        2 &     2 &    1 &     2 &   1 & 2
                                        3      3       2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock     Multiplier     JP3    JP4     JP6    JP7     JP8
   speed      speed

   75MHz      50MHz        1.5x        1 &     1 &    1 &     1 &   1 & 2
                                        2      2       2      2

   90MHz      60MHz        1.5x        1 &     1 &    2 &     1 &   1 & 2
                                        2      2       3      2

  100MHz      66MHz        1.5x        1 &     1 &    1 &     2 &   1 & 2
                                        2      2       2      3

  120MHz      60MHz         2x         1 &     2 &    2 &     1 &   1 & 2
                                        2      3       3      2

  133MHz      66MHz         2x         1 &     2 &    1 &     2 &   1 & 2
                                        2      3       2      3

  150MHz      60MHz        2.5x        2 &     2 &    2 &     1 &   1 & 2
                                        3      3       3      2

  166MHz      66MHz        2.5x        2 &     2 &    1 &     2 &   1 & 2
                                        3      3       2      3

  180MHz      60MHz         3x         2 &     1 &    2 &     1 &   1 & 2
                                        3      2       3      2

  200MHz      66MHz         3x         2 &     1 &    1 &     2 &   1 & 2
                                        3      2       2      3

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

    Type      JP2       JP10        JP11      JP12      JP13      JP14

   CX6X86    2 & 3     Closed       Open      Open      Open      Open

   CX686L    1 & 2      Open        Open      Open      Open     Closed

   AM K5     2 & 3     Closed       Open      Open      Open      Open

  P54C STD   2 & 3      Open       Closed     Open      Open      Open

  P54C VRE   2 & 3     Closed       Open      Open      Open      Open

    P55C     1 & 2      Open        Open      Open      Open     Closed

  Note: Pins designated should be in the closed position.

