Barracuda 7200.12 SATA Product Manual
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...-on default has the read look-ahead and write caching features enabled. G 33 When the drive receives this command, it sets BSY, checks the contents of SATA features AAH Enable read look -ahead (read cache) feature (default). Barracuda 7200.12 Serial ATA Product Manual, Rev. Sector Count register values: 00H Set PIO mode... generates an interrupt. F1H Report full capacity available Note. Power-on , or after a hardware or software reset, the default values of various features that the drive supports, the command is aborted.
...-on default has the read look-ahead and write caching features enabled. G 33 When the drive receives this command, it sets BSY, checks the contents of SATA features AAH Enable read look -ahead (read cache) feature (default). Barracuda 7200.12 Serial ATA Product Manual, Rev. Sector Count register values: 00H Set PIO mode... generates an interrupt. F1H Report full capacity available Note. Power-on , or after a hardware or software reset, the default values of various features that the drive supports, the command is aborted.