Matt Sealey wrote: > Which chip revision are you using? Here's the configuration: CPU: MPC5200B v2.2, Core v1.4 at 350 MHz Bus 100 MHz, IPB 100 MHz, PCI 25 MHz The board uses not quite typical 100 MHz bus clock, for which I don't have a optimized ATA DMA timing parameters yet, instead, temporarily I use too wasteful 132MHz settings. Marian