UNIDENTIFIED

VL-BUS SUPER I/O (NO. 373)

Chipset                 Winbond
Data Bus                32-bit VESA local bus
Card Size               Half height, full length
Hard Drives Supported   Four IDE(AT) devices
Floppy Drives Supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  40-pin primary IDE(AT)       J1      9-pin serial port 1 -       J5
  connector                            external

  40-pin secondary             J2      10-pin serial port 2 -      J6
  IDE(AT) connector                    internal

  34-pin cable connector       J3      25-pin parallel port -      J7
  - floppy drive                       external

  16-pin game port             J4      2-pin drive active LED     LED1

                        USER CONFIGURABLE SETTINGS

                   Setting                      Label        Position

  »   VESA local bus speed is 50MHz              JP1         Pins 1 & 2
                                                              closed

      VESA local bus speed is 33MHz              JP1         Pins 2 & 3
                                                              closed

  »   IDE(AT) interface enabled                  JP1         Pins 4 & 5
                                                              closed

      IDE(AT) interface disabled                 JP1         Pins 5 & 6
                                                              closed

  »   Floppy drive order is normal (A:, B:)      JP2         Pins 1 & 2
                                                              closed

      Floppy drive order is reversed (B:,        JP2         Pins 2 & 3
      A:)                                                     closed

  »   Floppy drive interface enabled             JP2         Pins 4 & 5
                                                              closed

      Floppy drive interface disabled            JP2         Pins 5 & 6
                                                              closed

  »   IDE(AT) secondary IOCHRDY signal           JP3          Closed
      enabled

      IDE(AT) secondary IOCHRDY signal           JP3           Open
      disabled

  »   IDE(AT) primary IOCHRDY signal enabled     JP4          Closed

      IDE(AT) primary IOCHRDY signal             JP4           Open
      disabled

  »   Parallel port is unidirectional            JP7          Closed

      Parallel port is bidirectional             JP7           Open

  »   Game port enabled                          JP8          Closed

      Game port disabled                         JP8           Open

               SERIAL PORT 1 ADDRESS SELECTION

       Setting              JP5/A                JP5/B

    3F8h (COM1:)       Pins 1 & 2 closed   Pins 1 & 2 closed

    3E8h (COM3:)       Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 2 & 3 closed   Pins 1 & 2 closed

               SERIAL PORT 2 ADDRESS SELECTION

       Setting              JP5/C                JP5/D

    2F8h (COM2:)       Pins 1 & 2 closed   Pins 1 & 2 closed

    2E8h (COM4:)       Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 2 & 3 closed   Pins 1 & 2 closed

               PARALLEL PORT ADDRESS SELECTION

       Setting              JP5/E                JP5/F

        3BCh           Pins 2 & 3 closed   Pins 1 & 2 closed

        378h           Pins 1 & 2 closed   Pins 1 & 2 closed

        278h           Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 1 & 2 closed   Pins 2 & 3 closed

    PARALLEL PORT INTERRUPT SELECTION

       Setting               JP7

        IRQ5          Pins 3 & 4 closed

        IRQ7          Pins 1 & 2 closed