EVEREX SYSTEMS, INC.

EV-341

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

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

[Image]

                          CONNECTIONS

                   Function                       Location

  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

  »   Hard drive port address is         W1/jumper 1            open
      1F0-1F7h

      Hard drive port address is         W1/jumper 1           closed
      170-177h

  »   Floppy drive port address is       W1/jumper 2            open
      3F2-3F7h

      Floppy drive port address is       W1/jumper 2           closed
      372-377h

  »   Floppy drive enabled on DOS        W1/jumper 3            open
      system

      Floppy drive disabled on DOS       W1/jumper 3           closed
      system
                                              W3

  »   Floppy drive enabled on OS/2            W2             pins 1 & 2
      system                                                   closed

      Floppy drive disabled on OS/2           W2             pins 2 & 3
      system                                                   closed

  »   Factory configured - do not             W4             pins 1 & 2
      alter                                                    closed

                       MISCELLANEOUS TECHNICAL NOTES

    The EV-341 comes standard with 128KB of cache memory. To upgrade to
          512KB, populate the DRAM banks with 256Kx4 100ns DRAMs.