Seagate ST38421A Product Manual - Page 31
ATA Interface commands, Supported ATA commands
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U4 Family Product Manual, Rev. D 23 3.2 ATA Interface commands 3.2.1 Supported ATA commands The following table lists ATA-standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Draft ATA-4 Standard. See Section 3.2.4 on page 30 for details and subcommands used in the S.M.A.R.T. implementation. Command name Command code (in hex) ATA-standard commands Download Microcode Execute Device Diagnostics Flush Cache Format Track Identify Device Initialize Device Parameters Read Buffer Read DMA Read Multiple Read Sectors Read Verify Sectors Recalibrate Seek Set Features Set Multiple Mode S.M.A.R.T. Write Buffer Write DMA Write Multiple 92H 90H E7H 50H ECH 91H E4H C8H, C9H C4H 20H, 21H 40H, 41H 10H 70H EFH C6H B0H E8H CAH, CBH C5H