> Increasing the SATA/AHCI DMA TX/RX FIFOs (P0DMACR.TXTS and .RXTS) from > default 0x0 each to 0x3 each gives a write performance boost of 120MB/s > from lame 36MB/s to 45MB/s previously. Read performance is about 200MB/s > [tested on SSD using dd bs=4K count=512K]. Such a simple patch to fix such a long-standing performance problem that everyone [ well, apparently not quite everyone ] assumed was a hardware limitation... And yet, April 1st is long gone. Is it really for real? Stefan