RELIALOGIC CORPORATION PRIVATE, LTD.
====================================

   XL221

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 16-bit, ISA                     |
   |--------------------------+---------------------------------|
   | Size:                    | Half-length, full-height card   |
   |--------------------------+---------------------------------|
   | Hard drive supported:    | Up to 7 SCSI devices            |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/P-R/20743-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                |     Location      |
   |----------------------------------------+-------------------|
   | 50-pin SCSI connector - external       |        CN1        |
   |----------------------------------------+-------------------|
   | 50-pin SCSI connector - internal       |        CN2        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |    IRQ     |   JP2/1   |   JP2/2   |   JP2/3   |   JP2/4   |
   |------------+-----------+-----------+-----------+-----------|
   |>> |   11   |   open    |   open    |  closed   |   open    |
   |---+--------+-----------+-----------+-----------+-----------|
   |   |   10   |   open    |   open    |   open    |  closed   |
   |---+--------+-----------+-----------+-----------+-----------|
   |   |   12   |   open    |  closed   |   open    |   open    |
   |---+--------+-----------+-----------+-----------+-----------|
   |   |   15   |  closed   |   open    |   open    |   open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BASE ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |      Address       |       JP3/1       |       JP3/2       |
   |--------------------+-------------------+-------------------|
   |       C8000h       |       open        |       open        |
   |--------------------+-------------------+-------------------|
   |       CC000h       |       open        |      closed       |
   |--------------------+-------------------+-------------------|
   |       D8000h       |      closed       |       open        |
   |--------------------+-------------------+-------------------|
   |       DC000h       |      closed       |      closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | Remove terminators only when XL221 is not first or last in |
   |                  the SCSI devices chain.                   |
   +------------------------------------------------------------+