ATI TECHNOLOGIES, INC.
======================

   2400 ETC-I, 2400 ETC-FAX

   Card Type                    Modem (synchronous/asynchronous)  
   Chip Set                     ATI                               
   Maximum Data Rate            2400bps                           
   Maximum Fax Rate             9600bps                           
   Data Bus                     8-bit ISA                         
   Fax Class                    Class I                           
   Data Modulation Protocol     Bell 103A/212A                    
                                                                  
                                ITU-T V.22, V.22bis               
   Fax Modulation Protocol      ITU-T V.27ter, V.29               
   Error Correction/Compression MNP5, V.42, V.42bis               

<gopher://bitreich.org/I/th99/t/A-B/52473-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        |  Label   |   Function   |  Label  |
   |------------------------------------------------------------|
   | Line in                     |    CN1     | Line out | CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SERIAL PORT ADDRESS                     |
   |------------------------------------------------------------|
   |      COM      |    IRQ     | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |---------------+------------+-------+-------+-------+-------|
   | COM1: (3F8h)  |     4      |  On   |  Off  |  Off  |  Off  |
   |---------------+------------+-------+-------+-------+-------|
   |    i COM2:    |     3      |  Off  |  On   |  Off  |  Off  |
   |    (2F8h)     |            |       |       |       |       |
   |---------------+------------+-------+-------+-------+-------|
   | COM3: (3E8h)  |     4      |  Off  |  Off  |  On   |  Off  |
   |---------------+------------+-------+-------+-------+-------|
   | COM4: (2E8h)  |     3      |  Off  |  Off  |  Off  |  On   |
   |---------------+------------+-------+-------+-------+-------|
   | COM1: (3F8h)  | Set by JP1 |  On   |  Off  |  Off  |  Off  |
   |---------------+------------+-------+-------+-------+-------|
   | COM2: (2F8h)  | Set by JP1 |  On   |  Off  |  On   |  On   |
   |---------------+------------+-------+-------+-------+-------|
   | COM3: (3E8h)  | Set by JP1 |  Off  |  Off  |  On   |  Off  |
   |---------------+------------+-------+-------+-------+-------|
   | COM4: (2E8h)  | Set by JP1 |  On   |  On   |  On   |  Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         INTERRUPT                          |
   |------------------------------------------------------------|
   |       Setting       |  JP1/A  |  JP1/B  |  JP1/C  | JP1/D  |
   |---------------------+---------+---------+---------+--------|
   |        IRQ2         | Closed  |  Open   |  Open   |  Open  |
   |---------------------+---------+---------+---------+--------|
   |        IRQ3         |  Open   | Closed  |  Open   |  Open  |
   |---------------------+---------+---------+---------+--------|
   | i IRQ4 or automatic |  Open   |  Open   | Closed  |  Open  |
   |---------------------+---------+---------+---------+--------|
   |        IRQ5         |  Open   |  Open   |  Open   | Closed |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

   +------------------------------------------------------------+
   |              AUTO-RELIABLE FALLBACK CHARACTER              |
   |------------------------------------------------------------|
   | Type:        | Register                                    |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] S46=n [cmds]                      |
   |--------------+---------------------------------------------|
   | Default:     | 13                                          |
   |--------------+---------------------------------------------|
   | Range:       | 0-127                                       |
   |--------------+---------------------------------------------|
   | Unit:        | 1 ASCII character                           |
   |--------------+---------------------------------------------|
   | Description: | Sets the character used as the              |
   |              | auto-reliable fallback character. S46=0     |
   |              | will disable this function.                 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         BREAK TYPE                         |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &In [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Sets the modem's response to a break        |
   |              | signal.                                     |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |    i &I0     | Send break with transmitted data.           |
   |--------------+---------------------------------------------|
   |     &I1      | Send break to remote modem immediately.     |
   |--------------+---------------------------------------------|
   |     &I2      | Send break to remote modem immediately,     |
   |              | modem buffers cleared.                      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DATA COMPRESSION                      |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &Un [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Selects data compression.                   |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |    i &U0     | Data compression disabled.                  |
   |--------------+---------------------------------------------|
   |     &U1      | Data compression enabled.                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     FLOW CONTROL TYPE                      |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &Kn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Enables flow control options.               |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |    i &K0     | Flow control disabled.                      |
   |--------------+---------------------------------------------|
   |     &K3      | RTS/CTS flow control enabled.               |
   |--------------+---------------------------------------------|
   |     &K4      | XON/XOFF flow control enabled.              |
   |--------------+---------------------------------------------|
   |     &K8      | Transparent remote XON/XOFF flow control    |
   |              | enabled.                                    |
   |--------------+---------------------------------------------|
   |     &K12     | Transparent XON/XOFF flow control enabled.  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INACTIVITY TIMER                      |
   |------------------------------------------------------------|
   | Type:        | Register                                    |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] S40=n [cmds]                      |
   |--------------+---------------------------------------------|
   | Default:     | 0                                           |
   |--------------+---------------------------------------------|
   | Range:       | 1-255                                       |
   |--------------+---------------------------------------------|
   | Unit:        | 1 minute                                    |
   |--------------+---------------------------------------------|
   | Description: | Sets the length of time that the modem does |
   |              | not receive information before it           |
   |              | disconnects.                                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      REDIAL ATTEMPTS                       |
   |------------------------------------------------------------|
   | Type:        | Register                                    |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] S41=n [cmds]                      |
   |--------------+---------------------------------------------|
   | Default:     | 0                                           |
   |--------------+---------------------------------------------|
   | Range:       | 0-10                                        |
   |--------------+---------------------------------------------|
   | Unit:        | 1 attempt                                   |
   |--------------+---------------------------------------------|
   | Description: | Sets the number of times the modem will     |
   |              | attempt to redial a busy call.              |
   +------------------------------------------------------------+