
EFA CORPORATION

P5V580-AT

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             VIA
Video Chip Set       None
Maximum Onboard      512MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Award
Dimensions           230mm x 220mm
I/O Options          32-bit PCI slots (3), floppy drive interface, green PC
                     connector, IDE interfaces (2), parallel port, serial
                     ports (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose               Location

  Floppy drive             CN1         Power LED &         J7/pins 2, 4,
  interface                            keylock               6, 8, 10

  Serial port 1            CN2         Turbo LED          J7/pins 11 & 12

  Serial port 2            CN3         Green PC           J7/pins 13 & 14
                                       connector

  Parallel port            CN4         IDE interface      J7/pins 15 & 16
                                       LED

  IDE interface 2          CN5         Reset switch       J7/pins 17 & 18

  IDE interface 1          CN6         Green PC LED       J7/pins 19 & 20

  Speaker             J7/pins 1, 3,    32-bit PCI slots      PC1  PC3
                          5, 7

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP1          Unidentified
      alter

     Factory configured - do not           JP4          Unidentified
      alter (CMOS memory)

     Factory configured - do not           JP5          Unidentified
      alter

     Factory configured - do not           JP9          Unidentified
      alter

     Factory configured - do not          JP10          Unidentified
      alter

              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

      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

     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

     256MB        (2) 32M x 36       None

     264MB        (2) 32M x 36   (2) 1M x 36

                        DRAM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          272MB                (2) 32M x 36             (2) 2M x 36

          288MB                (2) 32M x 36             (2) 4M x 36

          320MB                (2) 32M x 36             (2) 8M x 36

          384MB                (2) 32M x 36             (2) 16M x 36

          512MB                (2) 32M x 36             (2) 32M x 36

            Note: Board accepts EDO memory. Board also accepts x 32
            SIMMs. Memory installed in Banks 1 & 2 is interchangeable.

      DIMM CONFIGURATION

     Size          Bank 2

      8MB       (1) 1M x 64

     16MB       (1) 2M x 64

     32MB       (1) 4M x 64

     64MB       (1) 8M x 64

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                        CPU SPEED SELECTION (CYRIX)

    CPU      Clock     Multiplier    JP2      JP3      JP6    JP7    JP8
  speed      speed

  120MHz     50MHz         2x        Open    Closed    2 &    2 &     2 &
                                                        3      3      3

  133MHz     55MHz         2x        Open    Closed    1 &    2 &     2 &
                                                        2      3      3

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

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

  200MHz     75MHz         2x        Open    Closed    1 &    2 &     1 &
                                                        2      3      2

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU       Clock    Multiplier     JP2     JP3     JP6    JP7     JP8
   speed     speed

   75MHz     50MHz        1.5x        Open    Open    2 &     2 &   2 & 3
                                                       3      3

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier     JP2       JP3     JP6    JP7    JP8
  speed     speed

  75MHz     50MHz        1.5x        Open     Open      2 &   2 &     2 &
                                                        3      3      3

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

