
ELITEGROUP COMPUTER SYSTEMS, INC.

P5TX-APRO

Processor           CX 6X86/CX 686MX/IBM 6X86/IBM 6X86MX/AM K5/AM
                    K6/Pentium
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     256MB
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          305mm x 244mm
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
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Power LED           J10/pins 1 - 3
  connector

  Chassis fan power         C1         Green PC connector  J10/pins 4 & 5

  Chassis fan power         C2         Green PC LED        J10/pins 6 - 8

  Chassis fan power         C3         Reset switch         J10/pins 9 &
                                                                 10

  Parallel port            CN1         Keylock              J10/pins 11 &
                                                                 12

  Serial port 2            CN2         Speaker              J10/pins 13 -
                                                                 16

  Serial port 1            CN3         IDE interface LED    J10/pins 17 &
                                                                 18

  USB connector            CN4         Soft off power       J10/pins 19 &
                                       supply                    20

  USB connector            CN5         IR connector             J13

  PS/2 mouse port          CN6         Intrusion alarm          J18

  IDE interface 2          CN7         Wake up connector        J19

  IDE interface 1          CN8         32-bit PCI slots      PC1  PC4

  Floppy drive             CN9
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP2           Pins 2 & 3
                                                              closed

      CMOS memory clear                       JP2           Pins 1 & 2
                                                              closed

                      DIMM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      8MB         (1) 1M x 64        None            None

      16MB        (1) 2M x 64        None            None

      16MB        (1) 1M x 64     (1) 1M x 64        None

      24MB        (1) 2M x 64     (1) 1M x 64        None

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

      32MB        (1) 4M x 64        None            None

      32MB        (1) 2M x 64     (1) 2M x 64        None

      40MB        (1) 4M x 64     (1) 1M x 64        None

      48MB        (1) 4M x 64     (1) 2M x 64        None

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

      64MB        (1) 8M x 64        None            None

      64MB        (1) 4M x 64     (1) 4M x 64        None

      72MB        (1) 8M x 64     (1) 1M x 64        None

      80MB        (1) 8M x 64     (1) 2M x 64        None

      96MB        (1) 8M x 64     (1) 4M x 64        None

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

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB       (1) 16M x 64     (1) 1M x 64        None

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

     144MB       (1) 16M x 64     (1) 2M x 64        None

     160MB       (1) 16M x 64     (1) 4M x 64        None

     192MB       (1) 16M x 64     (1) 8M x 64        None

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

     256MB       (1) 16M x 64    (1) 16M x 64        None

            Note: Board accepts EDO memory.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

   CPU speed      Clock speed       Multiplier               JP1

     120MHz          50MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 19 & 20, 21 & 22

     133MHz          55MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 20 & 22

     150MHz          60MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 18 & 20

     166MHz          66MHz              2x            1 & 3, 4 & 6, , 9 &
                                                     11, 17 & 19, 18 & 20

     200MHz          75MHz              2x             1 & 3, 4 & 6, 9 &
                                                     11, 17 & 19, 20 & 22

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU speed      Clock speed       Multiplier               JP1

     150MHz          75MHz              2x          1 & 3, 4 & 6, 9 & 11,
                                                      17 & 19, 20 & 22

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

   CPU speed      Clock speed       Multiplier               JP1

     120MHz          50MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 19 & 20, 21 & 22

     133MHz          55MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 20 & 22

     150MHz          60MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 18 & 20

     166MHz          66MHz              2x             1 & 3, 4 & 6, 9 &
                                                     11, 17 & 19, 18 & 20

     200MHz          75MHz              2x             1 & 3, 4 & 6, 9 &
                                                     11, 17 & 19, 20 & 22

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

   CPU speed      Clock speed       Multiplier               JP1

     150MHz          75MHz              2x          1 & 3, 4 & 6, 9 & 11,
                                                      17 & 19, 20 & 22

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU speed      Clock speed       Multiplier               JP1

     75MHz           50MHz             1.5x           1 & 3, 2 & 4, 11 &
                                                     13, 19 & 20, 21 & 22

     90MHz           60MHz             1.5x           1 & 3, 2 & 4, 11 &
                                                     13, 17 & 19, 18 & 20

     100MHz          66MHz             1.5x            1 & 3, 2 & 4, 9 &
                                                     11, 17 & 19, 18 & 20

     120MHz          60MHz             1.5x           1 & 3, 2 & 4, 11 &
                                                     13, 17 & 19, 18 & 20

     133MHz          66MHz             1.5x            1 & 3, 2 & 4, 9 &
                                                     11, 17 & 19, 18 & 20

     150MHz          60MHz              2x            1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 18 & 20

     166MHz          66MHz              2x             1 & 3, 4 & 6, 9 &
                                                     11, 17 & 19, 18 & 20

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU speed      Clock speed       Multiplier               JP1

     200MHz          66MHz              3x          2 & 4, 3 & 5, 9 & 11,
                                                      17 & 19, 18 & 20

     233MHz          66MHz             3.5x         1 & 3, 2 & 4, 9 & 11,
                                                      17 & 19, 18 & 20

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU speed       Clock speed       Multiplier              JP1

     75MHz            50MHz             1.5x          1 & 3, 2 & 4, 11 &
                                                     13, 19 & 21, 20 & 22

     90MHz            60MHz             1.5x          1 & 3, 2 & 4, 11 &
                                                     13, 17 & 19, 18 & 20

     100MHz           66MHz             1.5x           1 & 3, 2 & 4, 9 &
                                                     11, 17 & 19, 18 & 20

     120MHz           60MHz              2x           1 & 3, 4 & 6, 11 &
                                                     13, 17 & 19, 18 & 20

     133MHz           66MHz              2x            1 & 3, 2 & 4, 9 &
                                                     11, 17 & 19, 18 & 20

     150MHz           60MHz             2.5x          3 & 5, 4 & 6, 11 &
                                                     13, 17 & 19, 18 & 20

     166MHz           66MHz             2.5x           3 & 5, 4 & 6, 9 &
                                                     11, 17 & 19, 18 & 20

     200MHz           66MHz              3x            2 & 4, 3 & 5, 9 &
                                                     11, 17 & 19, 18 & 20

     233MHz           66MHz             3.5x           1 & 3, 2 & 4, 9 &
                                                     11, 17 & 19, 18 & 20

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

                Voltage                                JP4

                   2.54v                        Pins 1 & 2 closed

                  2.84v                        Pins 3 & 4 closed

                   2.94v                        Pins 5 & 6 closed

                   3.24v                        Pins 7 & 8 closed

                   3.34v                       Pins 9 & 10 closed

