Hello WARNING : don't follow thread, perhaps out of subject. briefly, I've got same chipset, excepted a "spurious" message at boot, have no problems, 48Mo/s with DMA on ata5 'if remember fine) on HD and good rate on (RW-)CD's. Running 2.4.20 but 2.4.18 fine (customs kernel) Hop'it'elp David Dumortier