
126 The Essential Guide to Serial ATA and SATA Express
Outputs
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.
Status register –
BSY will be cleared to zero, indicating command completion.
DRDY will be set to one.
DF (Device Fault) will be cleared to zero.
DRQ will be cleared to zero.
ERR will be cleared to zero.
Outputs for PACKET Command feature set devices
In response to this command, devices that implement the PACKET Command feature set will post
command aborted and place the PACKET Comma ...