D. Hugh Redelmeier wrote: > The Master Boot Record (MBR) is the first block on the hard drive. > http://en.wikipedia.org/wiki/Mbr is worth a read. interesting reading. if you can fully believe something written by users of oos. i do not fully agree with calling calling sector 0 of track an lba block. -- tc,hago. g . in a free world without fences, who needs gates.