version downgrade

hi

can anyone teach me how to do DOWNGRADE of version 3.0 to 2.6?

i have download ver 2.6 iso. and have extract those files to a CD...seems iPC is not able to read those files and it boot to the internal hard disk instead.

the webpage says it require v1.3x...., what is it?

what am i missing?

regards,
stephen
Related