
EFA CORPORATION

P5VPX97-AT

Device Type         Mainboard
Processor           CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium
                    MMX
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            VIA
Video Chip Set      None
Maximum Onboard     256MB (EDO & SDRAM supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          230mm x 220mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), USB connector, ATX
                    power connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  ATX power               ATX         Soft off power           J15
  connector                           supply

  PS/2 mouse               J5         CPU fan power            J16
  interface

  Serial port 2            J6         Power LED &            J17/pins
                                      keylock               1/3/5/7/9

  Serial port 1            J7         Speaker            J17/pins 2/4/6/8

  Parallel port            J8         Turbo LED          J17/pins 11 & 12

  Floppy drive             J9         Green PC           J17/pins 13 & 14
  interface                           connector

  IDE interface 2         J10         IDE interface LED  J17/pins 15 & 16

  IDE interface 1         J11         Reset switch       J17/pins 17 & 18

  USB connector           J13         32-bit PCI slots      PC1  PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP12          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP12          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

     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

  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

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

   CPU      Clock   Multiplier    JP1   JP2   JP3    JP8     JP9    JP10
  speed    speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

   CPU      Clock   Multiplier    JP1   JP2   JP3    JP8     JP9    JP10
  speed    speed

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU     Clock    Multiplier   JP1   JP2   JP3    JP8      JP9     JP10
  speed    speed

  166MHz   60MHz      2.5x       1 &   2 &   2 &   Closed   Closed   Open
                                 2     3     3

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

  200MHz   66MHz      2.5x       2 &   1 &   2 &   Closed   Closed   Open
                                 3     2     3

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

  233MHz   75MHz      2.5x       1 &   2 &   1 &   Closed   Closed   Open
                                 2     3     2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AK K5)

   CPU     Clock    Multiplier   JP1   JP2   JP3    JP8      JP9     JP10
  speed    speed

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU     Clock    Multiplier   JP1   JP2   JP3    JP8      JP9     JP10
  speed    speed

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

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

  233MHz   66MHz      3.5x       2 &   1 &   2 &   Open     Open     Open
                                 3     2     3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU     Clock    Multiplier   JP1   JP2   JP3    JP8      JP9     JP10
  speed    speed

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

   CPU     Clock    Multiplier   JP1   JP2   JP3    JP8      JP9     JP10
  speed    speed

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

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

  233MHz   66MHz      3.5x       2 &   1 &   2 &   Open     Open     Open
                                 3     2     3

  Note: Pins designated should be in the closed position.

            CPU TYPE SELECTION

        Type                 JP4

        Cyrix         Pins 1 & 2 closed

         AMD          Pins 2 & 3 closed

        Intel         Pins 2 & 3 closed

                           CPU VOLTAGE SELECTION

  Voltage    JP5    JP6     JP7A      JP7B      JP7C       JP7D     JP7E

   2.2v       *      *      Open     Closed     Open       Open     Open

   2.5v       *      *     Closed     Open     Closed      Open     Open

   2.8v      2 &     2 &    Open      Open      Open      Closed    Open
              3      3

   2.9v      2 &     2 &   Closed     Open      Open      Closed    Open
              3      3

   3.2v      2 &     2 &    Open      Open     Closed     Closed    Open
              3      3

   3.3v      1 &     1 &   Closed     Open     Closed     Closed    Open
              2      2

   3.5v      1 &     1 &   Closed    Closed    Closed     Closed    Open
              2      2

  Note: Pins designated should be in the closed position. * = Reserved
  for future CPUs.

