EVEREX SYSTEMS, INC.

EV-346, EV-346M

Data bus: 16-bit, ISA

Size: Three-quarter length, full height card

Hard drives supported: Two MFM ST506/ST412

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

Sector interleave: 1:1

[Image]EV-346

[Image]EV-346M (M denotes Motorola Chipset

EVEREX SYSTEMS, INC.

EV-346, EV-346M

                                        . . . continued from previous page

                          CONNECTIONS

  34-pin control cable connector-hard drive          J1

  20-pin data cable connector-drive 0                J2

  20-pin data cable connector-drive 1                J3

  34-pin control cable connector-floppy drive        J4

  4-pin connector-drive active LED                   J5

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   IRQ14 enabled (EV-346M only)            W4                open

      IRQ14 disabled (EV-346M only)           W4               closed

  »   Floppy Drive DMA Acknowledge            W5                open
      Channel 2 disabled

      Floppy Drive DMA Acknowledge            W5               closed
      Channel 2 enabled

  »   Hard drive port address is              W6                open
      1F0-1F7h

      Hard drive port address is              W6               closed
      170-177h

  »   Floppy drive port address is            W9                open
      3F2, 3F4-3F7h

      Floppy drive port address is            W9               closed
      372, 375-377h

  »   Floppy drive enabled                    W10            pins 1 & 2
                                                               closed

      Floppy drive disabled                   W10            pins 2 & 3
                                                               closed

  »   Hard drive enabled                      W11            pins 1 & 2
                                                               closed

      Hard drive disabled                     W11            pins 2 & 3
                                                               closed