QUANTUM CORPORATION
===================

   AT-BUS ADAPTER BOARD

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

   Data bus: 16-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two IDE (AT) Interface drives

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/P-R/20289-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 40-pin IDE (AT) Interface connector      |       CN1       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Interrupt gated directly to AT |   JP2    | pins 2 & 3 |
   |   | Bus                            |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Interrupt issued every time    |   JP2    | pins 1 & 2 |
   |   | drive goes busy                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP3    |    open    |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Zero Wait State enabled        |   JP4    |    open    |
   |---+--------------------------------+----------+------------|
   |   | One Wait State enabled         |   JP4    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive port address is     |   JP5    |    open    |
   |   | 1F0-1F7h                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Hard drive port address is     |   JP5    |   closed   |
   |   | 170-177h                       |          |            |
   +------------------------------------------------------------+