My PC configuration is AMD semprone processor, Asus M2A-MX MotherBoard,1GB ram, sata and IDE Harddisk. when i m installing redhat enterprise 5 dvd i get some error list and last error is DMA disable . at that error the pc was hang state. plz send mi any sotution. mayur pimple MCS my email is: mayurpimple12 at gmail.com