
FIRST INTERNATIONAL COMPUTER, INC.

VT-503

Device Type       Mainboard
Processor         CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/AM
                  K6/Pentium
Processor Speed   90/100/120/133/150/166/200/233/266/300MHz
Chip Set          Intel
Video Chip Set    None
Maximum Onboard   512MB (EDO & SDRAM supported)
Memory
Maximum Video     None
Memory
Cache             512KB
BIOS              Unidentified
Dimensions        254mm x 218mm
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), IR connector, USB connectors
                  (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Power LED &          C1/pins 1 - 5   Parallel port             CN3
  keylock

  Turbo LED            C1/pins 6 & 7   Floppy drive              CN4
                                       interface

  Green PC connector   C1/pins 8 & 9   IDE interface 2           CN5

  Green PC LED         C1/pins 10 &    IDE interface 1           CN6
                            11

  Speaker              C1/pins 12 -    PS/2 mouse                CN7
                            15         interface

  IDE interface LED    C1/pins 16 &    CPU fan power             CPU
                            17

  Soft off power       C1/pins 18 &    EISCA CPU fan             EIC
  supply                    19         connector

  Reset switch         C1/pins 20 &    IR connector              IR1
                            21

  Chassis fan power        CHA         32-bit PCI slots       PC1  PC4

  Serial port 2            CN1         USB connector 1          USB1

  Serial port 1            CN2         USB connector 2          USB2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Password disabled                       CPW              Open

      Password enabled                        CPW             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

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

     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           TAG

     512KB        (1) 64K x 64   Unidentified

                       CPU SPEED SELECTION (CX 6X86)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

   166MHz       50MHz          3x          1 & 2       2 & 3      1 & 2

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

   166MHz       55MHz         2.5x         2 & 3       2 & 3      1 & 2

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

   200MHz       55MHz          3x          1 & 2       2 & 3      1 & 2

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

   200MHz       60MHz          3x          1 & 2       2 & 3      1 & 2

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

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

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

   166MHz       50MHz          3x          1 & 2       2 & 3      1 & 2

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

   166MHz       55MHz         2.5x         2 & 3       2 & 3      1 & 2

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

   200MHz       55MHz          3x          1 & 2       2 & 3      1 & 2

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

   200MHz       60MHz          3x          1 & 2       2 & 3      1 & 2

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

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

   150MHz       60MHz         1.75x        1 & 2       2 & 3      2 & 3

   166MHz       66MHz         1.75x        1 & 2       2 & 3      2 & 3

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

   266MHz       66MHz          4x          2 & 3       1 & 2      2 & 3

   300MHz       66MHz         4.5x         2 & 3       2 & 3      2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed      Clock     Multiplier      FREQ1       FREQ2      FREQ3
                speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

               Voltage                                VR

                3.3v                    Pins 1 & 2, 5 & 6, 7 & 8 closed

                3.5v                    Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8
                                                    closed

                       CPU VOLTAGE SELECTION (DUAL)

         Voltage                 V core                     VR

          3.3v                    2.1v               Pins 1 & 2 closed

          3.3v                    2.8v               Pins 7 & 8 closed

          3.3v                    2.9v               Pins 1 & 2, 7 & 8
                                                          closed

          3.3v                    3.2v               Pins 5 & 6, 7 & 8
                                                          closed

