WinXP +SP2 modem problems

[omegauser]

Please help.

I have winxp and service pack 1 installed. everything works ok and my modem connections are in between 44000 and 46000 kbps. but when i install service pack 2 maximum connection is 33600(everytime).

config:
SOLTEK SL-75KAV (VIA KT133A chipset) + Sound AC '97
Creative Labs Audigy 2
Creative Labs Inspire 6700 (6.1)
Frontier Taurus
AMD Athlon XP 2000+ (1666 MHz)
ASUS V7100T 32 MB (Geforce 2 MX + TV Out)
256 MB PC133
Seagate 120 GB ,8MB cache,7200rpm + IBM 30GB 7200 rpm
Samsung SyncMaster 700NF (17" Natural Flat)
MSI 1648b 16x48
LG CDE8160B 16x10x40x
USRobotics Internal
Epson Stylus Color 670


is there enyone who could help me out?:Q

 

[febuld]

try disabling the microsoft firewall...its probably one of the sp2 services running that's bottlenecking it...

 

[omegauser]

i have already tried disabling firewall but that didnt solve my problems

 

[vapidtransit]

This is a telephone modem?

If so, do you have the newest drivers?