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

   T-100 (CD-XT001)

   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/21430-1.png>
   

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

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            |    Label    |  Position   |
   |--------------------------------+-------------+-------------|
   |>> | Boot ROM disabled          |    SW1/1    |     Off     |
   |---+----------------------------+-------------+-------------|
   |   | Boot ROM enabled           |    SW1/1    |     On      |
   |---+----------------------------+-------------+-------------|
   |>> | Parity disabled            |    SW1/4    |     Off     |
   |---+----------------------------+-------------+-------------|
   |   | Parity enabled             |    SW1/4    |     On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DMA CHANNEL SELECTION                    |
   |------------------------------------------------------------|
   |          Channel           |              JP1              |
   |----------------------------+-------------------------------|
   |             1              |   Pins 7 & 9, 8 & 10 closed   |
   |----------------------------+-------------------------------|
   |             3              |  Pins 9 & 11, 10 & 12 closed  |
   |----------------------------+-------------------------------|
   |          Disabled          |       Pins 7 - 12 open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BOOT ROM ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |        Setting        |      SW1/2       |      SW1/3      |
   |-----------------------+------------------+-----------------|
   |>> |      C8000h       |        On        |       On        |
   |---+-------------------+------------------+-----------------|
   |   |      CA000h       |        On        |       Off       |
   |---+-------------------+------------------+-----------------|
   |   |      CC000h       |       Off        |       On        |
   |---+-------------------+------------------+-----------------|
   |   |      CE000h       |       Off        |       Off       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   I/O ADDRESS SELECTION                    |
   |------------------------------------------------------------|
   |       Setting        |      SW1/5       |      SW1/6       |
   |----------------------+------------------+------------------|
   |   |       320h       |        On        |        On        |
   |---+------------------+------------------+------------------|
   |   |       324h       |       Off        |        On        |
   |---+------------------+------------------+------------------|
   |>> |       328h       |        On        |       Off        |
   |---+------------------+------------------+------------------|
   |   |       32Ch       |       Off        |       Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   | Setting  | JP1/pins 1 & | JP1/pins 2 | JP1/pins | JP1/pins |
   |          |      3       |    & 4     |  3 & 5   |  4 & 6   |
   |----------+--------------+------------+----------+----------|
   |   IRQ3   |    Closed    |    Open    |   Open   |   Open   |
   |----------+--------------+------------+----------+----------|
   |   IRQ5   |     Open     |   Closed   |   Open   |   Open   |
   |----------+--------------+------------+----------+----------|
   |   IRQ6   |     Open     |    Open    |  Closed  |   Open   |
   |----------+--------------+------------+----------+----------|
   |   IRQ7   |     Open     |    Open    |   Open   |  Closed  |
   |----------+--------------+------------+----------+----------|
   | Disabled |     Open     |    Open    |   Open   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | The T-100 should not be installed in a 486 or faster       |
   | system.                                                    |
   +------------------------------------------------------------+