
DATAEXPERT CORPORATION

EXP8561

Device Type          Mainboard
Processor            CX 6X86/AM K5/Pentium/Pentium MMX
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Unidentified
Video Chip Set       None
Maximum Onboard      128MB
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Award
Dimensions           260mm x 220mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interfaces (2), parallel port, PS/2 mouse interface,
                     serial ports (2), cache slot, USB connectors (2)

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse interface       CN1       USB connector 2            J14

  Serial port 2              CN2       Reset switch               J15

  Serial port 1              CN3       Power LED & keylock        J18

  Floppy drive interface     CN4       Speaker                    J19

  IDE interface 2            CN5       IDE interface LED          J20

  IDE interface 1            CN6       Green PC connector         JP6

  Parallel port               J4       32-bit PCI slots         PC1  PC4

  USB connector 1            J13       Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     AT bus CLK select PCICLK/4            JP7             Closed

      AT bus CLK select PCICLK/3            JP7              Open

     CMOS memory normal operation          JP8              Open

      CMOS memory clear                     JP8             Closed

     Factory configured - do not          JP12          Unidentified
      alter

     Factory configured - do not          JP13          Unidentified
      alter

     Flash BIOS voltage select 5v         JP14        Pins 1 & 2 closed

      Flash BIOS voltage select 12v        JP14        Pins 2 & 3 closed

             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

                            CACHE CONFIGURATION

      Size          Bank 0              SL1                   TAG

     256KB        (2) 32K x 32     Not installed      (1) 8K/16K/32K x 8

     512KB        (2) 32K x 32      256KB module        (1) 16K/32K x 8
                                     installed

                        CACHE JUMPER CONFIGURATION

     Size          J16            JP15           JP19            JP21

    256KB          Open           Open          Closed           Open

    512KB         Closed        Pins 2 & 3       Open           Closed
                                 closed

                       CPU SPEED SELECTION (CX 6X86)

    CPU      Clock    Multiplier      JP9       JP10      JP22      JP23
  speed      speed

  120MHz     50MHz        2x         Closed    Closed    Closed     Open

  133MHz     55MHz        2x          Open      Open     Closed     Open

  150MHz     60MHz        2x         Closed     Open     Closed     Open

  166MHz     66MHz        2x          Open     Closed    Closed     Open

                        CPU SPEED SELECTION (AM K5)

    CPU       Clock    Multiplier      JP9       JP10      JP22     JP23
   speed     speed

   75MHz     50MHz        1.5x        Closed    Closed     Open     Open

   90MHz     60MHz        1.5x        Closed     Open      Open     Open

  100MHz     66MHz        1.5x         Open     Closed     Open     Open

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier     JP9       JP10      JP22      JP23
  speed     speed

  75MHz     50MHz        1.5x       Closed    Closed     Open      Open

  90MHz     60MHz        1.5x       Closed     Open      Open      Open

  100MHz    66MHz        1.5x        Open     Closed     Open      Open

  120MHz    60MHz         2x        Closed     Open     Closed     Open

  133MHz    66MHz         2x         Open     Closed    Closed     Open

  150MHz    60MHz        2.5x       Closed     Open     Closed    Closed

  166MHz    66MHz        2.5x        Open     Closed    Closed    Closed

  200MHz    66MHz         3x         Open     Closed     Open     Closed

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier     JP9      JP10      JP22       JP23
  speed      speed

  166MHz     66MHz       2.5x        Open    Closed    Closed     Closed

  200MHz     66MHz        3x         Open    Closed     Open      Closed

  CPU VOLTAGE SELECTION (SINGLE)

     Voltage            JP18

     Single             Open

                       CPU VOLTAGE SELECTION (DUAL)

    Voltage        V core         JP18            JPA1           JPA2

     3.3v           2.9v        Pins 2 & 3        Open          Closed
                                 closed

     3.3v           3.3v        Pins 2 & 3     Pins 2 & 3        Open
                                 closed          closed

     3.3v          3.45        Pins 2 & 3     Pins 1 & 2        Open
                    3.6v         closed          closed

     3.45v          2.9v        Pins 1 & 2        Open          Closed
                                 closed

     3.45v          3.3v        Pins 1 & 2     Pins 2 & 3        Open
                                 closed          closed

     3.45v         3.45        Pins 1 & 2     Pins 1 & 2        Open
                    3.6v         closed          closed

                    DMA CHANNEL SELECTION

       Channel               JP4                  JP5

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          3            Pins 2 & 3 closed   Pins 2 & 3 closed

