If you have an EMachines 680x system, the trying different drivers for the ENE chip will not help. I went thru about 5 different versions.
The problem is that the ENE chip is either a pile of shit (most likely) or its not working right with Creative's drivers. I managed to fix most of the popping and static by using WPCREDIT to change the Audigy's PCI Latency from 32 to 248. That means it gets to use the PCI bus for longer time intervals. Even with this tweak I get missing sounds in Halo and the occasional piece of static (quite rare now though).
Guess what? The TI chip works fine at 32 clock latency. The TI chip also works fine with Windows XP's default generic PCMCIA driver.
I told Creative about how I fixed my problems weeks ago but they haven't released anything that uses the tweak yet. Nothing on their download site as of 1/5/05 will help you. They are just releasing fixes to patch bugs in the rest of their bloatware.
Let's just say I can think of only one reason to go with ENE for a cardbus chip. One look at their site says it all. They don't think much of their products, so they don't boast about them at all. As far as I can tell they don't want the public to have access to docs about them. That tells me that their chips are cheap, half-ass, filler chips for companies like eMachines who build low-cost "value" comps and need to save a nickel whereever they can. They didn't go with TI for a reason: TI costs more.
And, honestly, I wouldn't care if I wasn't trying to use a high-end audio card in the slot. I mean, who would be able to hear static on a LAN PC Card?