PIO mode


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PIO mode

(Programmed Input/Output mode) The data transfer mode used by earlier IDE drives. The PIO mode used the CPU's registers for data transfer in contrast with DMA, which transfers directly between main memory and the peripheral device. See IDE.


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Compatible with PIO modes 0 - 6, Multiword DMA modes 0 - 4, and Ultra DMA modes 0 - 6.
Buffer Size 500 Kbytes 500 Kbytes Interface ATA -- 2, 3, 4, ATA -- 2, 3, 4, PIO MODE 4, PIO MODE 4, Multiword DMA MODE 2, Multiword DMA MODE 2, Ultra DMA MODE 2 Ultra DMA MODE 2
Fully compatible with the standard ATA interface and PIO mode 0-2, the Ace-Disk(TM) Module Series features all the advantages of solid-state disk, including low latency delay, fast seek times and higher shock tolerance than magnetic hard disk drive (HDD).
In addition to RAID technology, the BK-3710R includes IDE features such as support for up to mode 4 timings on PIO mode, up to mode 2 timings on multi-word DMA, up to mode 6 timings on Ultra ATA, full scatter gather DMA capability along with 48-bit LBA support via software.
The device is a drop-in replacement for IDE/ATA hard drives that supports PIO modes 0-2, allowing burst read/write rates of up to 8.