Kernel Update Broke IDE/PATA?

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https://bbs.archlinux.org – I have a machine running Arch with several SATA drives in RAID, but with an IDE/PATA system drive.  The IDE drive contains the boot, root, and swap partitions (there is no home partition on this machine).  I hadn't restarted it in a while, and I restarted it this morning due to something totally unrelated, and it will no longer boot.After hours of troubleshooting, I decided to just do a fresh install (for example, I was still using grub legacy - the new install uses syslinux).  Still no dice.It's not the hard drive's fault - the hard drive works fine.  If I u (HowTos)