Upgrade modem from K56 to V.90 protocol

introduction:

If you'd met followed problems, you may confused by old K56 protocol, then it's necessary to upgrade for faster connection in V.90 protocol:

1. connect baud rate never faster than 33600bps, usually in 28800 even lower in 19600bps.

2. connect in 46000bps even higher by other modem.

3. it's not allowed to force v.90 protocol in terminal mode.

before upgrade :

This is important!! Wrong firmware may cause fatal problem, system could not detect modem device exsist since ROM data damaged. Please verify followed steps:

1. it's made from Well Communication Corp. labeled as FM-XXX-XX, if your modem made by others, please consult with the manufacture or vendor for detail support.

2. check the correct ATI3, ATI4, ATI6 responds in hyperterminal mode, if you don't know how to check, read followed instructions online.
/support/tech-sp-windows-07.html

3. ensure the ATI3, ATI4, ATI6 responds match the result notified.

download firmware :

FM-56PCI-TP

error: modem freezes when it receives a ATD commande.
ps. 344-9020-0155 is suit for FCC & CTR21 countries
344-9020-0149 is suit for Australia

FM-56PCI-CL

ATI3= CL-MD5620DT-QC-BC / firmware download

FM-56USB-ST

ATI3= V2.50 / firmware download

FM-56PC-PT

ATI3= PCtel *

because FM-56PC-PT is a software control modem, there is driver upgrade necessary only. un-install old driver then install with new driver please.

windows 95/98 => dpwnload
Auto-detect V.90/K56flex protocol Support Speaker Phone function

Windows NT4.0 modem driver V. 7.54m with MMX CPU => download
Auto-detect V.90/K56flex protocol, Not suport Speaker Phone function

Windows NT4.0 modem driver V. 7.54i with Intel Pentium (P54C) / AMD-K5 CPU: => download
Auto-detect V.90/K56flex protocol, Not suport Speaker Phone function

Windows NT4.0 modem driver V. 3.52ms with MMX CPU: Pentium II / Pentium MMX (P55C) / AMDK6 MMX / Cyrix/IBM 6x86MX (M2) => download
Only support K56flex protocol, Support Speaker Phone function

Windows NT4.0 modem driver V. 3.52is with Intel Pentium (P54C) / AMD-K5 CPU: => download
Only support K56flex protocol, Support Speaker Phone function

Windows NT4.0 modem driver V. 3.52ns with Cyrix/IBN 6x86(L)(M1) CPU: => download
Only support K56flex protocol, Support Speaker phone function

FM-56SA-RW
FM-56PC-RW

ATI3 = V*-K56_DLS or V*-K56_DLP

Please select your country (according to the sequence: A,B,C....) to download the FlashCOM utility and run the utility to update your country code.

V.90 upgrade:

K56 upgrade:

Well Communication Corp.