On May 17, 2006, at 5:14 PM, Ron Michael wrote: > Thanks guys. I should have given more info. I've got four drives > already. Two 160G, a Maxtor, & a Seagate. Also, a Maxtor 120G as my > primary (with OS X 10.3.9) and a Hitachi 80G. I want to replace the > two smaller ones with 250G drives. I thought I had read, several > times in various places, that the mirror door G4 would only "see" > 137G of these larger drives unless you added an additional > controller card. This was the reason for my question. Now, one more > time, just so it will sink in, are you saying my Mac will let me > install these big drives with nothing additional added. > Thanks for your earlier responses. > Ron in Memphis Hi Ron, Yes, they will work in your MDD machine. Not to be *too* facetious here, but you do have two 160s... both of them are more than 137... ;) smiles, Jamie