
SATA Application Layer 191
Register 76543210
Features na
Sector Count Sector count
LBA Low LBA (7:0)
LBA Mid LBA (15:8)
LBA High LBA (23:16)
Device obs LBA obs DEV LBA (27:24)
Command C5h
Sector Count –
Number of sectors to be transferred. A value of 00h specifies that 256 sectors will be transferred.
Device –
The LBA bit will be set to one to specify the address is an LBA.
DEV will specify the selected device.
Bits (3:0) starting LBA bits (27:24).
Normal outputs
Register 76543210
Error na
Sector Count na
LBA Low na
LBA Mid na
LBA High na
Device obs na obs DEV na na na na
Status BSY DRDY DF na DRQ na na ERR
Device register –
DEV will indicate the selected device. ...