Diseqc not working (1 Viewer)

[Zeee]

TV-Server Version: 1.0 RC1
MediaPortal Version: 1.0 RC1
MediaPortal Skin: BlueTwo Wide
Windows Version: Windows XP SP2
CPU Type: Athlon 64 X2 4400
HDD: Seagate 250 GB
Memory: 1 GB
Motherboard: Gygabyte GA-M56S-S3
Video Card: ATI Radeon HD 2400 Pro
Video Card Driver: Catalyst 8.4
Sound Card: Onboard
Sound Card AC3: Coaxial Out
Sound Card Driver:
1. TV Card: Gigabyte GT-PTV-TAF-RH
1. TV Card Type: Hybrid
1. TV Card Driver:
2. TV Card: KWorld DVB-S 100
2. TV Card Type: DVB-S
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: DScaler 5
MPEG2 Audio Codec: ffdshow
h.264 Video Codec: ffdshow / cyberlink
Satelite/CableTV Provider:
HTPC Case: Thermaltake Mozart
Cooling:
Power Supply: 400 W
Remote: Logitech Harmony + Imon
TV: Panasonic Plasma
TV - HTPC Connection: DVI-HDMI


Just added new dvb-s card Avermedia DVB-S Pro and diseqc switching is not working.. I can only watch channels from first input on diseqc switch.. Second card KWorld is working fine.. Card is based on Philips SAA7135 chipset.
Any solution possible ??