On Wed, Feb 01, 2006 at 01:35:21PM +0000, Andy Burns wrote: > Now I'm scratching my head too, even with SATA II = 3Gb/s = 3000Mb/s = > 300MB/s how can hdparm -T show me 2229MB/sec? I though hdparm -T didn't > test o/s memory caching, just drive caching? It measures cached I/O performance from main memory versus the drive. Alan