
A-TREND TECHNOLOGY CORPORATION

ATC-5020+

Device Type          Mainboard
Processor            CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed      120/133/150/166/180/200/233MHz
Chip Set             Intel 430TX
Maximum Onboard      256MB (EDO & SDRAM supported)
Memory
Cache                512KB
BIOS                 Award
Dimensions           305mm x 210mm
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
                     connectors (2), ATX power connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Parallel port             CN3
  connector

  Reset switch         C1/pins 1 & 2   USB connector 1           CN4

  Green PC connector   C1/pins 4 & 5   USB connector 2           CN5

  Turbo LED            C1/pins 7 & 8   PS/2 mouse port           CN6

  IDE interface LED    C1/pins 10 &    Floppy drive              CN7
                            11         interface

  Speaker              C1/pins 13 -    IDE interface 2           CN8
                            16

  Power LED &          C1/pins 18 &    IDE interface 1           CN9
  keylock                   20

  Chassis fan power         C2         IR connector              IR1

  Serial port 1            CN1         Soft off power            J1
                                       supply

  Serial port 2            CN2         32-bit PCI slots       PC1 - PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP7          Unidentified
      alter

     CMOS memory normal operation          JP8             Closed

      CMOS memory clear                     JP8              Open

              SIMM 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

      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

          SIMM CONFIGURATION (CON'T)

      Size          Bank 0          Bank 1

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

               DIMM CONFIGURATION

      Size          Bank 2          Bank 3

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

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

      24MB        (1) 2M x 64     (1) 1M x 64

      32MB        (1) 4M x 64        None

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

      40MB        (1) 4M x 64     (1) 1M x 64

      48MB        (1) 4M x 64     (1) 2M x 64

      64MB        (1) 8M x 64        None

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

      72MB        (1) 8M x 64     (1) 1M x 64

      80MB        (1) 8M x 64     (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64

     128MB       (1) 16M x 64        None

     128MB        (1) 8M x 64     (1) 8M x 64

     136MB       (1) 16M x 64     (1) 1M x 64

     144MB       (1) 16M x 64     (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64

     256MB       (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    150MHz        60MHz           2x         2 & 3,     1 & 2      2 & 3
                                             4 & 5

    166MHz        66MHz           2x         2 & 3,     1 & 2      1 & 2
                                             4 & 5

    200MHz        75MHz           2x         2 & 3,     2 & 3      1 & 2
                                             4 & 5

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    150MHz        60MHz           2x         2 & 3,     1 & 2      2 & 3
                                             4 & 5

    166MHz        66MHz           2x         2 & 3,     1 & 2      1 & 2
                                             4 & 5

    166MHz        60MHz          2.5x        2 & 3,     1 & 2      2 & 3
                                             5 & 6

    200MHz        66MHz          2.5x        2 & 3,     1 & 2      1 & 2
                                             5 & 6

    200MHz        75MHz           2x         2 & 3,     2 & 3      1 & 2
                                             4 & 5

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    100MHz        66MHz          1.5x        1 & 2,     1 & 2      1 & 2
                                             4 & 5

    120MHz        60MHz          1.5x        1 & 2,     1 & 2      2 & 3
                                             4 & 5

    133MHz        66MHz          1.5x        1 & 2,     1 & 2      1 & 2
                                             4 & 5

    166MHz        66MHz          2.5x        2 & 3,     1 & 2      1 & 2
                                             5 & 6

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    166MHz        66MHz          2.5x        2 & 3,     1 & 2      1 & 2
                                             5 & 6

    200MHz        66MHz           3x         1 & 2,     1 & 2      1 & 2
                                             5 & 6

    233MHz        66MHz          3.5x        1 & 2,     1 & 2      1 & 2
                                             4 & 5

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    120MHz        60MHz           2x         2 & 3,     1 & 2      2 & 3
                                             4 & 5

    133MHz        66MHz           2x         2 & 3,     1 & 2      1 & 2
                                             4 & 5

    150MHz        60MHz          2.5x        2 & 3,     1 & 2      2 & 3
                                             5 & 6

    166MHz        66MHz          2.5x        2 & 3,     1 & 2      1 & 2
                                             5 & 6

    180MHz        60MHz           3x         1 & 2,     1 & 2      2 & 3
                                             5 & 6

    200MHz        66MHz           3x         1 & 2,     1 & 2      1 & 2
                                             5 & 6

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed       Clock       Multiplier      JP4        JP5        JP6
                  speed

    166MHz        66MHz          2.5x        2 & 3,     1 & 2      1 & 2
                                             5 & 6

    200MHz        66MHz           3x         1 & 2,     1 & 2      1 & 2
                                             5 & 6

    233MHz        66MHz          3.5x        1 & 2,     1 & 2      1 & 2
                                             4 & 5

  Note: Pins designated should be in the closed position.

             CPU TYPE SELECTION

         Type                  JP2

        AM K5           Pins 1 & 2 closed

        AM K6           Pins 7 & 8 closed

      AM K6-233         Pins 5 & 6 closed

       CX 6X86L        Pins 9 & 10 closed

      CX 6X86MX         Pins 7 & 8 closed

      Intel MMX        Pins 9 & 10 closed

      Intel STD         Pins 3 & 4 closed

      Intel VRE         Pins 1 & 2 closed

