
EFA CORPORATION

P5TVX-AT

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Award
Dimensions           280mm 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), cache slot, IR
                     connector, USB connectors (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       Green PC connector         J10

  Serial port 2              CN2       IDE interface LED          J11

  Parallel port              CN3       Speaker                    J12

  Floppy drive interface     CN4       Power LED & keylock        J14

  IDE interface 1            CN5       Reset switch               J16

  IDE interface 2            CN6       Turbo LED                  J17

  USB connector               J2       External battery           JP3

  USB connector               J3       Turbo switch               JP18

  PS/2 mouse interface        J4       32-bit PCI slots         PC1  PC4

  IR connector                J9       Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     I/O chip M5113 enabled                JP5        Pins 1 & 2 closed

      I/O chip M5113 disabled               JP5        Pins 2 & 3 closed

     AT bus clock select /4                JP8             Closed

      AT bus clock select /3                JP8              Open

     Monitor type select color            JP10             Closed

      Monitor type select monochrome       JP10              Open

     Mouse type select PS/2               JP11             Closed

      Mouse type select AT                 JP11              Open

     Factory configured  do not          JP15          Unidentified
      alter

     Flash ROM select 1MB                 JP20        Pins 1 & 2 closed

      Flash ROM select 2MB                 JP20        Pins 2 & 3 closed

     Flash BIOS voltage select 5v         JP21        Pins 1 & 2 closed

      Flash BIOS voltage select 12v        JP21        Pins 2 & 3 closed

     CMOS memory normal operation         JP24              Open

      CMOS memory clear                    JP24             Closed

             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

                        DRAM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          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

            Note: Board accepts EDO memory. Board also accepts x 32
            SIMMs. Do not install SIMMs & DIMMs at the same time.

      DIMM CONFIGURATION

     Size          Bank 2

      8MB       (1) 1M x 64

     16MB       (1) 2M x 64

     32MB       (1) 4M x 64

                            CACHE CONFIGURATION

      Size          Bank 0             SL1                   TAG

     256KB       (2) 32K x 32     Not installed          Unidentified

     512KB       (2) 32K x 32      256KB module          Unidentified
                                    installed

                        CPU SPEED SELECTION (CYRIX)

  CPU speed       Clock       Multiplier      JP3        JP6        JP7
                  speed

    120MHz        50MHz           2x         3 & 5,     2 & 3      1 & 2
                                             4 & 6

    133MHz        55MHz           2x         1 & 3,     2 & 3      1 & 2
                                             2 & 4

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

    166MHz        66MHz           2x         1 & 3,     2 & 3      1 & 2
                                             4 & 6

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

  CPU speed       Clock       Multiplier      JP3        JP6        JP7
                  speed

    75MHz         50MHz          1.5x        3 & 5,     2 & 3      2 & 3
                                             4 & 6

    90MHz         60MHz          1.5x        2 & 4,     2 & 3      2 & 3
                                             3 & 5

    100MHz        66MHz          1.5x        1 & 3,     2 & 3      2 & 3
                                             4 & 6

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

    133MHz        66MHz          1.5x        1 & 3,     2 & 3      2 & 3
                                             4 & 6

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

    166MHz        66MHz           2x         1 & 3,     2 & 3      1 & 2
                                             4 & 6

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed       Clock       Multiplier      JP3        JP6        JP7
                  speed

    75MHz         50MHz          1.5x        3 & 5,     2 & 3      2 & 3
                                             4 & 6

    90MHz         60MHz          1.5x        2 & 4,     2 & 3      2 & 3
                                             3 & 5

    100MHz        66MHz          1.5x        1 & 3,     2 & 3      2 & 3
                                             4 & 6

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

    133MHz        66MHz           2x         1 & 3,     2 & 3      1 & 2
                                             4 & 6

    150MHz        60MHz          2.5x        2 & 4,     1 & 2      1 & 2
                                             3 & 5

    166MHz        66MHz          2.5x        1 & 3,     1 & 2      1 & 2
                                             4 & 6

    200MHz        66MHz           3x         1 & 3,     1 & 2      2 & 3
                                             4 & 6

  Note: Pins designated should be in the closed position.

                   CPU TYPE SELECTION

            Type                       JP23

           Cyrix             Pins 3 & 5, 4 & 6 closed

            AMD              Pins 3 & 5, 4 & 6 closed

            P54C             Pins 3 & 5, 4 & 6 closed

          CX6X86L            Pins 1 & 3, 2 & 4 closed

            P55C             Pins 1 & 3, 2 & 4 closed

                           CPU VOLTAGE SELECTION

         Voltage                 V core                    JP12

          3.3v                    2.5v               Pins 1 & 2, 7 & 8
                                                          closed

          3.3v                    2.7v               Pins 3 & 4, 7 & 8
                                                          closed

          3.3v                    2.8v               Pins 5 & 6, 7 & 8
                                                          closed

          3.52v                   2.5v               Pins 1 & 2, 9 & 10
                                                          closed

          3.52v                   2.7v               Pins 3 & 4, 9 & 10
                                                          closed

          3.52v                   2.8v               Pins 5 & 6, 9 & 10
                                                          closed

