I have a QPS Quefire 4x8x24, and I was using it with a 350mhz b+w G3 with no problems. 50 PNY disks burned, no coasters. Then, I tried it on my Powerbook (Firewire) and suddenly lots of problems. First, I could only write at 4x, and then I wouldn't get an y error messages, but the disk would be scratchy, with noise on the left channel. So I kinda freaked, but found out about the firewire firmware update for the Powerbook, but that didn't change anything. So I went back to the b+w, and I have the same noise problem.
Is it possible it's from line noise? How can I avoid this? Thanks/