Computer reboots when burning a CD

The machine is 1.4 AThlon w/1g of RAM. Using a Sony CRX100E CD burner, when attempting to burn a CD the machine will reboot on it’s own. I tried burning with Nero, Pyro and Easy Creator and it does the same thing with all of the software. Is there some CMOS setting I have overlooked or known conflict
with the mb (Abit KT7A RAID)? Thanks for your wisdom……