
                  Firmware Version 3.90 release note
                --------------------------------------

       1. Fax class 2 interface (TR29.2) is implemented to support
          WinFax, BitFax & Fax96 software.

       2. Solve compatibility problems with some fax machine.

       3. Add AT#B1 command for BBS fax receiving application. This command
          also change CONNECT 12000/ARQ to CONNECT 9600/ARQ.

       4. Add AT+FClASS=6 for ZFax application

       5. Auto-mode fax receiving can be disabled by setting bit #4 of S38
          (sendfax only).

       6. Add X7 command. Ex.  14400/ARQ/V42b

       7. Add &D3 command. It will load profile 0 after DTR drop (hang up).

       8. Factory default setting &D0 replace by &D2.

       9. V.17 14400 bps FAX implemented.

      10. MNP5 can be always disabled by setting bit 5 of S38.

      11. CD can be on before the connect message is sent and can be off
          after disconnect message is sent ( in fax mode) by setting
          bit 3 of S38.

      12. Improve the performance of detection of carrier loss in Dialup and
          2-W lease line.

      13. Fix the bug of MNP compatability with USR Courier HST (This is an
          old version without MNP4).

      14. Fixed the Bug of data format 1,7,2 (1 start, 7 data, 2 stop) has
          been fixed.



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