how to test restricted nvidia drivers on live cd without CAB?

[Odysseus Flappington]

One trick I've used quite a few times, was to test to see if the
nvidia restricted drivers would work on a machine before installing by
doing the following:

1) booting a live cd
2) installing the restricted drivers
3) pressing ctrl+alt+backspace to load them

Will this be possible in 9.04 without CAB?

(Naturally, alt+sysrq+k doesn't work on my two machines at home, so
I'm skeptical about it as a solution).

Thanks,
Alex