> There is no ia64/ CentOS-5.2 x86_64 The substantive question remains unanswered. Can I install the new disk drivers for SATA AHCI from the 64 bit CentOS-5.2 boot dvd without having to reinstall the entire OS or not? Regards, -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB at Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3