>Most of the older PROM style systems had an issue
booting from a cd drive. You can't just use any with them. >>Many people report
that Plextor drives are some of the best and Toshiba drive are right behind. Don't
forget >>also that the cd drive must be ID 4 and be set for 512 byte sectors (not
1024 or 2048). I personally have never >>tried booting my crimson with my 6.5
cd's but if you just use FX from an Irix 5.3 cd you should be fine.
>
>Is ID 4 essential? I've read conflicting info re: required device IDs
>for booting. What is the expected behavior using a different ID?
ID 4 is not really essential but it is a preferred address. Just don't forget to set
the drive for 512 byte sectors. That is a must.