
248 The Essential Guide to Serial ATA and SATA Express
Read FPDMA Queued Inputs
Register 76543210
Features 7:0 Sector Count 7:0
Features 15:8 Sector Count 15:8
Count 7:0 TAG Reserved
Count 15:8 PRIO(1:0) Reserved
LBA Low LBA (7:0)
LBA Low LBA (31:24)
LBA Mid LBA (15:8)
LBA Mid LBA (39:32)
LBA High LBA (23:16)
LBA High LBA (47:40)
ICC ICC (7:0)
Device FUA 1 0 0 Reserved
Command 60h
The Read and Write FPDMA Queued commands are issued just like any other command would
be—that is, the taskfile is written with the particular register values and then the Command register
is written with the command opcode. The difference between queued and non-queued comma ...