TANDON CORPORATION
==================

   ARC

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Full-length, full-height card          |
   |-------------------+----------------------------------------|
   | Hard drive        | Two RLL ST506/412 drives               |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB or 1.44MB      |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/S-T/20722-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 4-pin connector - drive active LED            |    JP1     |
   |-----------------------------------------------+------------|
   | 20-pin data cable connector - drive 2         |     P1     |
   |-----------------------------------------------+------------|
   | 20-pin data cable connector - drive 1         |     P2     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - hard drive   |     P3     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |     P4     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP2    |    open    |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Primary floppy address         |   JP3    | pins 1 & 2 |
   |   | selected                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Secondary floppy address       |   JP3    | pins 2 & 3 |
   |   | selected                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | 16/32KB BIOS installed         |   JP4    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | 8KB BIOS installed             |   JP4    | pins 2 & 3 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     BIOS ADDRESS - JP5                     |
   |------------------------------------------------------------|
   |   Address   | Jumper A  | Jumper B  | Jumper C  | Jumper D |
   |-------------+-----------+-----------+-----------+----------|
   |>> | C8000h  |   open    |  closed   |   open    |   open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   | C0000h  |  closed   |   open    |   open    |   open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   | D0000h  |   open    |   open    |  closed   |   open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   | D8000h  |   open    |   open    |   open    |  closed  |
   +------------------------------------------------------------+