Getting to the Bios on a old pentium 3 ?

[Eighty8lx501]

I am trying to reformate this old 733 MHz pentium 3 pc. I dont know how to get into the bios to change the boot order. What do I have to press to get into it. Thanks

 

[X1337]

DEL or F1. It should say on the boot screen when you turn on your com