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

   XL507

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit, VL-Bus                         |
   |-------------------+----------------------------------------|
   | Size:             | Three quarter-length, half-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Four IDE (AT) interface devices        |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | 360KB, 720KB, 1.2MB, or 1.44MB drives  |
   | supported:        |                                        |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/P-R/20745-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 40-pin primary IDE(AT) interface                |    J1    |
   |-------------------------------------------------+----------|
   | 4-pin drive active LED                          |    J2    |
   |-------------------------------------------------+----------|
   | 16-pin game port                                |    J3    |
   |-------------------------------------------------+----------|
   | 10-pin serial port 1 - internal & 9-pin serial  |    J4    |
   | port 1 - external                               |          |
   |-------------------------------------------------+----------|
   | 10-pin serial port 2 - internal                 |    J5    |
   |-------------------------------------------------+----------|
   | 34-pin connector - floppy drive                 |    J6    |
   |-------------------------------------------------+----------|
   | 25-pin parallel port                            |    J7    |
   |-------------------------------------------------+----------|
   | 40-pin IDE ATAPI interface                      |    J8    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Primary IDE - 0 wait state     |   JP1    |    open    |
   |---+--------------------------------+----------+------------|
   |   | Primary IDE - 1 wait state     |   JP1    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Parallel port IRQ 7 select     |   JP3    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Parallel port IRQ 5 select     |   JP3    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive controller        |   JP7    | pins 1 & 2 |
   |   | enabled                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive controller        |   JP7    | pins 2 & 3 |
   |   | disabled                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Primary IDE interface enabled  |   JP21   |    open    |
   |---+--------------------------------+----------+------------|
   |   | Primary IDE interface disabled |   JP21   |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE ATAPI interface enabled    |   JP23   |    open    |
   |---+--------------------------------+----------+------------|
   |   | IDE ATAPI interface disabled   |   JP23   |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   JP24   |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   JP24   |    open    |
   |---+--------------------------------+----------+------------|
   |>> | XL507 FDC primary              |   JP25   | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | XL507 FDC secondary            |   JP25   | pins 1 & 2 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              BIOS &AMP; I/O ADDRESS SELECTION              |
   |------------------------------------------------------------|
   | BIOS Address  | I/O Address  |  JP2/1  |  JP2/2  |  JP2/3  |
   |---------------+--------------+---------+---------+---------|
   |>> |  C8000h   |     160h     | closed  |  open   | closed  |
   |---+-----------+--------------+---------+---------+---------|
   |   |  CC000h   |     170h     |  open   |  open   | closed  |
   |---+-----------+--------------+---------+---------+---------|
   |   |  D0000h   |     140h     | closed  | closed  |  open   |
   |---+-----------+--------------+---------+---------+---------|
   |   |  D4000h   |     150h     |  open   | closed  |  open   |
   |---+-----------+--------------+---------+---------+---------|
   |   |  D8000h   |     160h     | closed  |  open   |  open   |
   |---+-----------+--------------+---------+---------+---------|
   |   |  DC000h   |     170h     |  open   |  open   |  open   |
   |---+-----------+--------------+---------+---------+---------|
   |   | Disabled  |     140h     | closed  | closed  | closed  |
   |---+-----------+--------------+---------+---------+---------|
   |   | Disabled  |     150h     |  open   | closed  | closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |            LPT             |              JP6              |
   |----------------------------+-------------------------------|
   |>> |       LPT1(278h)       |   pins 1 & 3, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |       LPT2(378h)       |   pins 1 & 3, 4 & 6 closed    |
   |---+------------------------+-------------------------------|
   |   |       LPT3(3BCh)       |   pins 3 & 5, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |   pins 3 & 5, 4 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PRINTER MODE CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Mode            |             JP14              |
   |----------------------------+-------------------------------|
   |      Standard Printer      |   pins 3 & 5, 4 & 6 closed    |
   |----------------------------+-------------------------------|
   |            ECP             |   pins 1 & 3, 4 & 6 closed    |
   |----------------------------+-------------------------------|
   |         ECP + EPP          |   pins 1 & 3, 2 & 4 closed    |
   |----------------------------+-------------------------------|
   |            EPP             |   pins 3 & 5, 2 & 4 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |            COM             |              JP4              |
   |----------------------------+-------------------------------|
   |>> |       COM1(3F8H)       |   pins 1 & 3, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |      COM2( 2F8H)       |   pins 1 & 2, 4 & 6 closed    |
   |---+------------------------+-------------------------------|
   |   |       COM3(338H)       |   pins 3 & 5, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |   pins 3 & 5, 4 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |            COM             |              JP5              |
   |----------------------------+-------------------------------|
   |>> |       COM2(2F8H)       |   pins 1 & 3, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |       COM1(3F8H)       |   pins 1 & 3, 4 & 6 closed    |
   |---+------------------------+-------------------------------|
   |   |       COM4(238H)       |   pins 3 & 5, 2 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |   pins 3 & 5, 4 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DMA FOR ECP MODE SELECTION                 |
   |------------------------------------------------------------|
   |            DMA             |             JP10              |
   |----------------------------+-------------------------------|
   |            DMA1            |   pins 1 & 3, 2 & 4 closed    |
   |----------------------------+-------------------------------|
   |            DMA3            |   pins 3 & 5, 4 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |  IRQ   |   JP16   |   JP17   |  JP18   |  JP19   |  JP20   |
   |--------+----------+----------+---------+---------+---------|
   |>> | 4  |   open   | pins 1 & |  open   |  open   |  open   |
   |   |    |          |    2     |         |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 3  | pins 1 & |   open   |  open   |  open   |  open   |
   |   |    |    2     |          |         |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 5  |   open   |   open   | pins 1  |  open   |  open   |
   |   |    |          |          |   & 2   |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 9  |   open   |   open   |  open   |  open   | pins 1  |
   |   |    |          |          |         |         |   & 2   |
   |---+----+----------+----------+---------+---------+---------|
   |   | 12 |   open   |   open   |  open   | pins 1  |  open   |
   |   |    |          |          |         |   & 2   |         |
   |------------------------------------------------------------|
   | Note: Designated pins are in the closed position.          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |  IRQ   |   JP16   |   JP17   |  JP18   |  JP19   |  JP20   |
   |--------+----------+----------+---------+---------+---------|
   |>> | 3  | pins 2 & |   open   |  open   |  open   |  open   |
   |   |    |    3     |          |         |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 4  |   open   | pins 2 & |  open   |  open   |  open   |
   |   |    |          |    3     |         |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 5  |   open   |   open   | pins 2  |  open   |  open   |
   |   |    |          |          |   & 3   |         |         |
   |---+----+----------+----------+---------+---------+---------|
   |   | 9  |   open   |   open   |  open   |  open   | pins 2  |
   |   |    |          |          |         |         |   & 3   |
   |---+----+----------+----------+---------+---------+---------|
   |   | 12 |   open   |   open   |  open   | pins 2  |  open   |
   |   |    |          |          |         |   & 3   |         |
   |------------------------------------------------------------|
   | Note: Designated pins are in the closed position.          |
   +------------------------------------------------------------+