> Yep, they are. That is, I took some SIMMs from a 3100 and put them > into a 2100. The 2100 has an identical motherboard to the 3100, so this isn't very surprising. The important point is that the 3100 uses the same speed SIMMs as the 2100, so you can take 2100 SIMMs and put them in 3100s. _MelloN_