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PIO mode
(redirected from Programmed input/output)

    Also found in: Acronyms, Wikipedia 0.04 sec.

(Programmed Input/Output mode) The data transfer mode used by IDE drives. These modes use the CPU's registers for data transfer in contrast with DMA, which transfers directly between main memory and the peripheral device. For transfer rates, see IDE.



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Like M-Systems' other IDE and SCSI product lines, IDE 4000 is a state-of-the-art solid-state flash disk, designed as a drop-in replacement for mechanical hard disks and supports both programmed input/output (PIO) and direct memory access (DMA) hard disks transfer modes.
M-Systems' New IDE 4000 Product Provides Affordable Flash-Based ... by Business Wire
The fast ATA-2 interface on the Quantum Sirocco drives support local bus AT programmed input/output (PIO) mode 4 and multiword DMA mode 2 data transfers at speeds up to 16.
Quantum Introduces Industry's Highest Capacity Desktop Drives; First ... by Business Wire
Higher Performance -- The Madge 16-bit Programmed Input/Output (I/O) data transfer technology provides optimum performance in MS-DOS/Windows environments.
Madge introduces plug and play Token Ring adapter card; designed for ... by Business Wire
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