How many IDE devices can 1 IDE controller support?

You can only connect as many as the cable has, that is most cables have only two connectors per cable, and most boards have two ports, so usually you can connect 4 drives. Motherboards are cheap, and...

A typical modern motherboard has 1 IDE channel, which can support 2 devices. IDE has been replaced by Serial ATA (SATA), so modern boards have 2 to 8 SATA ports. Older motherboards may have 2 to 6...

This is dependent on the number of IDE controllers on the board. Older motherboards had two controllers, allowing a maximum of four IDE devices. Newer motherboards often only have one controller,...

IDE (Integrated Device Electronics) is a standardized interface for data storage devices in computer systems. It is so named because much of the logic circuitry is integrated into the device itself....

Each IDE connector on the board supports two channels per. (Two drives) The combination of drives can vary. For instance, hard drive-cdrom, hard drive-hard drive, cdrom-cdrom, ect....ect.