Can't burn Utopia Bootdisk!! (long long sentense)

[Kei]

>Take off the Testing Session and let it Burn with no session... Sometimes the test will deine it becuse of stupid reasons,

How can I take off the Testing Session?
Plz, tell me how to set up
all setting plz

>OR the file is damage..

all right, I'll download again.

well, I use "TDK CD-R" is this problem too?
If CD-R is not good, doesn't Dreamcast gonna read?

P.S oh god damn Math test start from tommorow