Need a CX65 (Cable) modem driver for Windows Vista 64bit

Please help !

I have a SIM CX65 USB modem cable for use with my Siemens C75 phone.
I need a working Siemens DCA-540 driver for Vista x64 (64bit) or other SIM
CX65 USB modem cable compatible x64 (64bit) driver.



Some technical driver information:

PHONE: Siemens C75
CABLE NAME: SIM CX65



All I have is the following working drivers for use with the
SIM CX65 cable:

CX65 Cable Driver for VISTA 32 bit:
Code:
http://rapidshare.com/files/145861631/Siemens_Mobile_Phone_USB_Modem.rar
CX65 cable Driver For WinXP & win98:
Code:
http://rapidshare.com/files/140070646/USBDCA540.zip
EXTRA INFORMATION:

I have until now got no answer when trying to contact the USB Data Cable
manufacturer here:
Code:
http://www.szedtech.com.cn/en/ProductShow.asp?ID=346
I have until now got no help when asking benq-siemens which tok over the
Siemens mobile unit part of Siemens before it declared itself bankrupt here:
Code:
http://www.benq.com/products/mobile/
My Mobile Phone Manager I use with Siemens C75 you find here:


Siemens Mobile Control (SIMCO) that is totally free and works with all windows versions, even with Vista x64(64bit)
but it need a modem driver( requested over) to function:
Code:
 
http://rapidshare.com/files/147276466/SiMoCoSetup.zip

Please let me know where to find an working driver for Micrososft windows vista 64bit.
Or maby some will convert the Vista 32bit driver to a working
Vista 64bit driver