
YOUNG MICRO SYSTEMS, INC.

VS440FX

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   256MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     Unidentified
Dimensions               305mm x 244mm
I/O Options              32-bit PCI slots (4), CD-ROM interface, floppy
                         drive interface, green PC connector, IDE
                         interfaces (2), parallel port, PS/2 mouse port,
                         serial ports (2), IR connector, wavetable
                         connector, telephony connector, audio out
                         connector, microphone in connector, audio in
                         connector, MIDI/game port, ATX power connector
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                 Location

  ATX power                ATX        IDE interface 1           J8J1
  connector

  MIDI/game port           CN1        Chassis fan power         J9A1

  Microphone in            CN2        IDE interface 2           J9J1
  connector

  Audio in connector       CN3        Floppy drive              J9J2
                                      interface

  Audio out                CN4        Front panel power    J10H1 pins 1 &
  connector                           switch                     2

  Serial port 1            CN5        Green PC connector   J10H1 pins 3 &
                                                                 4

  Serial port 2            CN6        IR connector         J10H1 pins 6 -
                                                                 11

  Parallel port            CN7        IDE interface LED     J10H1 pins 13
                                                                - 16

  PS/2 mouse port          CN8        Power LED             J10H1 pins 18
                                                                - 20

  Wavetable                J1E1       Reset switch          J10H1 pins 22
  connector                                                     - 23

  CD-ROM connector         J1E2       Speaker               J10H1 pins 24
                                                                - 27

  Telephony                J1F1       32-bit PCI slots       PC1 - PC4
  connector

  Chassis fan power        J7M1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            J6D1         Pins 20 & 22
                                                              closed

      CMOS memory clear                       J6D1         Pins 18 & 20
                                                              closed

     Password enabled                        J6D1         Pins 27 & 29
                                                              closed

      Password disabled                       J6D1         Pins 25 & 27
                                                              closed

     Setup access enabled                    J6D1         Pins 28 & 30
                                                              closed

      Setup access disabled                   J6D1         Pins 26 & 28
                                                              closed

     Flash BIOS normal operation             J6D1          Pins 4 & 6
                                                              closed

      Flash BIOS recovery mode                J6D1          Pins 2 & 4
                                                              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) 1M x 36    (2) 4M 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) 16M x 36       None

     128MB        (2) 8M x 36    (2) 8M x 36

     136MB        (2) 16M x 36   (2) 1M x 36

                    DRAM 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. Board also accepts x 32 SIMMs.

                       CACHE CONFIGURATION

  Note: 256KB or 512KB cache is located on the Pentium Pro CPU.

                            CPU SPEED SELECTION

    CPU speed        Clock speed         Multiplier            J6D1

      150MHz            60MHz               2.5x           10 & 12, 11 &
                                                            13, 17 & 19

      166MHz            66MHz               2.5x           10 & 12, 11 &
                                                            13, 19 & 21

      180MHz            60MHz                3x             9 & 11, 12 &
                                                            14, 17 & 19

      200MHz            66MHz                3x             9 & 11, 12 &
                                                            14, 19 & 21

  Note: Pins designated should be in the closed position.

