It just tells the kernel where the raid controller is exactly, if it gets it wrong. If you don't need it, then that's a good thing. On Thu, 2002-08-08 at 04:15, Alan Miles wrote: > Hi, > > I am a little confused ... > > What is the purpose of putting "ide2=0xd000,0xd402 ide3=0xd8000,0xdc02" (or > some variant of) on the Linux boot line? > > I have never had to do this (all I do is put "hdc=ide-scsi" for my > cd-writer). > > I have a Promise FastTrak 100 Raid controller and have been using it quite > successfully from the -ac days up to and including the 2.4.18 release. > > I have problems with the 2.4.19 release. > > Alan >