Leopard is great, especially on an AMD system because with the older Voodoo 9.5.0 kernel it has on the fly CPUID patching, which is something Snow Leopard patched kernels are lacking,

Try this for the "Still waiting for root device" error.

rd=disk0

or

rd=disk0s1

or

rd=disk0s2

or

or rd=disk2



00010

---

RETIRED