UAA didn't split PCI device on hp dv-1114nr

Hello,
I have successfully downgraded hp pavilion dv4-1114nr laptop to windows xp. I was able to install drivers for all devices except sound and modem because universal audio architecture( UAA ) failed to split PCI DEVICE which is a fusion of sound and modem. Please note that I have dirivers for all devices including sound and modem. My problem is splitting PCI device. I appreciate possible solutions for this problem. Thanks-Ade.