You should be able to select the boot order from the bios, check the order in the bios
The IDE drive has no direct correlation to the AGP bus.
Check the boot order list. The first boot device should your SCSI drive. When you added the ide disk your BIOS made it the first in the list. That's why you cannot boot your pc.
El Torito
The only advantage of using a IDE hard drive is maximum compatibility. It appears that SATA hard drives have a lot more advantages than an IDE hard drive.
No. IDE Hard Drive cannot be replaced with a Sata Hard Drive because the connectors are different. example. if you have sata hard drive installed on your machine. and you purchase IDE Hard drive. you won't be able to install the IDE hard drive where the Sata hard drive was because the IDE connectors are a different shape and size towards the Sata hard drive connectors.
yes. pata and ide are the same thing.
The smallest storage access unit on an IDE hard drive is a sector.
The IDE hard drive is stored in the hard-drive bay of a computer case by screwing it on. This bay also houses SATA and other types of hard drives.
Usually either a faulty system board with a failing ide bus or scsi or sata bus depending on what kind of hard-drive you are using or a fault cable connecting the hard-drive or the hard-drive itself.
The best IDE channel to connect on a hard drive is the Primary IDE channel, Also known as IDE 1 in dell computers
Quote from a Google search: IDE (Integrated Drive Electronics) is a standard electronic interface used between a computer motherboard's data paths or bus and the computer's disk storage devices.