Dear Mr Prithu, As far us I know, the 1024 cylinders limit will have only with starting Lilo. May be any one of our Linux group Members can correct if I am wrong. Pls tell me the follwing. 1.When u make the file bootsect.lnx, it should be 512 bytes in size. 2.When u select Linux ( as displayed by NT loader ) what is the error msg. Yours sincerely, R Kannan.