Back in the summer of 05?, Creative announced about a new revolutionary X-Fi audio processor that was supposed to change how our games sound. They said it would be a very powerful audio processor with a 51 million transistor chip. They also introduced many new features and claimed that it would be a breakthrough in multimedia audio. After Creative released their new X-Fi lineup many users complained about the following issues:

Popping and crackling noises. Incompatibilities with nForce3/4 based motherboards. Blue screen of death. Hard lockups and strange behavior.

NGOHQ.com