HEWLETT-PACKARD COMPANY
=======================

   D1664A

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit ISA                             |
   |-------------------+----------------------------------------|
   | Size:             | Three-quarter length, full-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Two ESDI drives                        |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | None                                   |
   | supported:        |                                        |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/E-H/20895-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 20-pin data cable connector                 |     CN1      |
   |---------------------------------------------+--------------|
   | 20-pin data cable connector                 |     CN2      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector - hard drive |     CN3      |
   |---------------------------------------------+--------------|
   | 4-pin connector - drive active LED          |      J2      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Hard disk primary address is 1F0h |  J10/1   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Hard disk secondary address is    |  J10/1   | closed  |
   |   | 170h  (not supported)             |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Logical drive splitting enabled   |   J7/2   | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Logical drive splitting disabled  |   J7/2   |  open   |
   |------------------------------------------------------------|
   |         Note: Other jumper settings not specified.         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | A second hard disk cannot be installed when logical drive  |
   |                   splitting is enabled.                    |
   |                                                            |
   |             IRQ 14 is used by this controller.             |
   +------------------------------------------------------------+