NEC TECHNOLOGIES, INC.
======================

   FD850MEX (CDXT003FD)

   Card Type               Hard drive controller                  
   Hard Drives supported   Up to 7 SCSI devices                   
   Floppy drives supported None                                   
   Data Bus                8-bit ISA                              
   Card Size               Half-length, full-height               

<gopher://bitreich.org/I/th99/c/M-O/21432-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |           Function           | Label |  Function   | Label |
   |------------------------------+-------+-------------+-------|
   | 50-pin SCSI connector -      |  J2   | 25-pin SCSI |  P1   |
   | internal                     |       | connector - |       |
   |                              |       | external    |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             |   Label   |  Position   |
   |----------------------------------+-----------+-------------|
   |>> | Zero wait state disabled     |    W5     |    Open     |
   |---+------------------------------+-----------+-------------|
   |   | Zero wait state enabled      |    W5     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MEMORY ADDRESS SELECTION                  |
   |------------------------------------------------------------|
   |   Setting   |   W1    |   W2    |            W3            |
   |-------------+---------+---------+--------------------------|
   |>> | CA000h  |  Open   |  Open   | Pins 1 & 2, 3 & 4 closed |
   |---+---------+---------+---------+--------------------------|
   |   | C8000h  | Closed  |  Open   | Pins 1 & 2, 3 & 4 closed |
   |---+---------+---------+---------+--------------------------|
   |   | CE000h  |  Open   | Closed  | Pins 1 & 2, 3 & 4 closed |
   |---+---------+---------+---------+--------------------------|
   |   | DE000h  | Closed  | Closed  | Pins 1 & 2, 3 & 4 closed |
   |---+---------+---------+---------+--------------------------|
   |   | E8000h  |  Open   |  Open   | Pins 1 & 3, 2 & 4 closed |
   |---+---------+---------+---------+--------------------------|
   |   | EC000h  |  Open   | Closed  | Pins 1 & 3, 2 & 4 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |     Setting      |   W6(pins 1 & 2)   |   W7(pins 2 & 3)   |
   |------------------+--------------------+--------------------|
   | IRQ3             |       Closed       |        Open        |
   |------------------+--------------------+--------------------|
   | IRQ5             |        Open        |       Closed       |
   +------------------------------------------------------------+