[arcull]

I've solved it, so I thougt of letting you know in case it may be usefull for someone. As mentioned in previous post the problems were 2. The first was some hardware conflict between IDE raid controller, pci sound card and new SATA disk (or more probably onboard SATA controller), that was preventing from booting from new SATA disk, (it looked like no installation was on the disk). I've solved this with manually assigning IRQ to both PCI cards (IDE raid controller and sound card). The second problem with automounting old IDE disk was somehow related to paritions on the disk. On one of the old IDE disks that I was trying to auto mount, there were no primary partitions, just one extended with two logical partitions in it. The solution was to delete all partitions on the disk and to create 2 primary partitions. Now pc is booting ok and auto mounts the old disk without problem.