I sent an email to ABIT technical support asking them what should be connected to the following IDE connectors on the KT7 Raid motherboard. The IDE connectors are Ultra ATA 100/Raid Primary connector, Ultra ATA 100/Raid Secondary Connector, Primary IDE connector, and Secondary IDE connector. I told them I would be using a Western Digital Hard Drive 40gig, A pioneer 16xDVD/40xcdrom, an Iomega 250 Zip Drive and a Ricoh 7040A cdrw. Here is there response. They told me that the Raid connectors (IDE PORT 3/4 )should only connect the ATA 66/100 HD devices. I don't know what they mean by this. What out of my cdrw, hard drive, zip, and dvd/cdrom are considered HD devices? Then they told me the rest should be connected to the regular IDE channels (IDE port 1/2). I am not sure what 2 devices get connected to IDE port 3/4 and what 2 devices get connected to IDE port 1/2. Can anybody simplify this for me? Thanks