Definitions for "Programmed Input/Output"
Methods and protocols for moving data to and from the hard disk drive. These PIO "modes" are being phased out as DMA transfers become faster and more efficient.
A way the CPU can transfer data to and from memory via the computer's I/O ports. PIO can be faster than DMA, but requires CPU time.
Input/Output standards on IDE hard disk drives. If you have a hard drive that supports one PIO mode, you need your interface to support it as well for...