Hi thanks to all ,and i will read up on everything you kind folk have wrote ,i have just had a email from Amigakit ,and was wondering if any one has used one of these ,The FastATA MK-IV controller with its maximum transfer rate of 16.6MB/s in the PIO 5 mode offers huge capacity reserve for fast mass storage devices, especially for fast hard drives. Therefore, applications may run much faster if they can have fast access to large data files. £87 which isnt cheap . ps this is what DonutKing mentioned ,so im not sure this would be any gain to me ,best wishes Brian.