EVEREX SYSTEMS, INC.
====================

   EV8120, EV-8120A

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 16-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  Two AT Interface (IDE) drives

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

<gopher://bitreich.org/I/th99/c/E-H/20106-1.png>
   

   EVEREX SYSTEMS, INC.

   EV8120, EV-8120A

                               . . . continued from previous page

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy drive     |    J1    |
   |-------------------------------------------------+----------|
   | 40-pin control cable connector-hard drive       |    J2    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy tape      |    J3    |
   | drive (EV-8120A only)                           |          |
   |-------------------------------------------------+----------|
   | 4-pin connector drive active LED                |    J9    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |     USER CONFIGURABLE SETTINGS EV-8120 &AMP; EV-8120A      |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | IOCHRDY signal disabled    |     JP1      |    open    |
   |---+----------------------------+--------------+------------|
   |   | IOCHRDY signal enabled     |     JP1      |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | DMA request disabled       |   JP2/all    |    open    |
   |---+----------------------------+--------------+------------|
   |   | DREQ 5 (DMA request)       | JP2/jumper 1 |   closed   |
   |---+----------------------------+--------------+------------|
   |   | DREQ 6 (DMA request)       | JP2/jumper 2 |   closed   |
   |---+----------------------------+--------------+------------|
   |   | DREQ 7 (DMA request)       | JP2/jumper 3 |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | DMA acknowledge disabled   |   JP3/all    |    open    |
   |---+----------------------------+--------------+------------|
   |   | DACK 5 (DMA acknowledge)   | JP3/jumper 1 |   closed   |
   |---+----------------------------+--------------+------------|
   |   | DACK 6 (DMA acknowledge)   | JP3/jumper 2 |   closed   |
   |---+----------------------------+--------------+------------|
   |   | DACK 7 (DMA acknowledge)   | JP3/jumper 3 |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | DMA signal to the ATA      |     JP4      |    open    |
   |   | adaptor disabled           |              |            |
   |---+----------------------------+--------------+------------|
   |   | DMA signal to the ATA      |     JP4      |   closed   |
   |   | adaptor enabled            |              |            |
   |---+----------------------------+--------------+------------|
   |>> | BIOS is IBM, AMI or        |     JP6      | pins 2 & 3 |
   |   | equivalent                 |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | BIOS is Phoenix            |     JP6      | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Factory configured - do    |     JP7      |    open    |
   |   | not alter                  |              |            |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive enabled       |     JP8      |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive disabled      |     JP8      |    open    |
   |---+----------------------------+--------------+------------|
   |>> | Back to back I/O delay     |     JP10     |   closed   |
   |   | enabled                    |              |            |
   |---+----------------------------+--------------+------------|
   |   | Back to back I/O delay     |     JP10     |    open    |
   |   | disabled                   |              |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          USER CONFIGURABLE SETTINGS EV-8120 ONLY           |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Hard drive port address is        |   JP5    |  open   |
   |   | 1F0-1F7h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Hard drive port address is        |   JP5    | closed  |
   |   | 310-317h                          |          |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          USER CONFIGURABLE SETTINGS EV-8120A ONLY          |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | ATA Hard Disk mode select      |   JP5    |    open    |
   |---+--------------------------------+----------+------------|
   |   | ATA Tape Mode select           |   JP5    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive port address is   |   JP11   |    open    |
   |   | 3F0-3F7h                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive port address is   |   JP11   |   closed   |
   |   | 370-377h                       |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive port address is     |   JP12   |    open    |
   |   | 1F0-1F7h                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Hard drive port address is     |   JP12   |   closed   |
   |   | 170-177h                       |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive interrrupt is IRQ14 |   JP13   | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive interrrupt is IRQ15 |   JP13   | pins 1 & 2 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+