booting in 32 bits with Yosemite

[Mikersson]

Hey guys!
I have a almost new macbook early 2009 running without problems -at the moment- in 64 bits. I need to oot in 32 bits to can install a driver for my Usb Antenna and even çI can install the drivers, some observations says I must be running in 32 bits.
To set from my terminal to boot into 32 bit mode I have entered this command:sudo systemsetup -setkernelbootarchitecture i386

but the system (after reboot) says I am running in 64 bits and I feel Im stuck.
Can someone give me a hint? I¡m new in Mac OS but I am doing my best.

Thank you

Miguel

 

[chrfr]

but the system (after reboot) says I am running in 64 bits and I feel Im stuck.

Yosemite can't boot into 32-bit. It's only a 64-bit kernel.