Well, I finally got Fedora Core 2 installed on this little Vaio. Almost the most painful install on this little beast yet. (One install aborted about 3/4 of the way through. Not to mention the 12+gig I had to backup over a slow network...) When I try and use the PCMCIA CD-ROM, I get the following errors on the syslog: Jun 3 23:46:44 localhost cardmgr[1460]: socket 0: Ninja ATA Jun 3 23:46:45 localhost cardmgr[1460]: get dev info on socket 0 failed: No such device Jun 3 23:46:45 localhost kernel: ide-cs: GetNextTuple: No more items The cd-rom drive does not come up. I remember having to do the similar command line hack to get the drive working for Redhat 9 and Fedora Core 1. The "pci=off ide1=0x180,0x386" was not needed for Redhat 7.2 or 7.3. Anything before Redhat 8 never needed the pci=off for the cd-rom drive to work. (Most of the time all you needed was "ide1=0x180".) I have used this laptop with about every version of Redhat since about 6.0 or so. I can go back and test which work and which do not sometime this weekend. (It just takes time and the "big book of Linux install discs".) I will also test to see if the port expanded still cores the system. BTW, the change in working v.s. non-working seemed to be just after kernel version 2.4.18 or so.