
404 The Essential Guide to Serial ATA and SATA Express
Error Outputs
Upon encountering an error, the Port Multiplier will set the ERR bit in the Status register and identify
the error code in the Error register.
Register 76543210
Error Reserved ABRT REG PORT
Sector Count Reserved
Sector Count (exp) Reserved
Sector Number Reserved
Sector Number (exp) Reserved
Cylinder Low Reserved
Cylinder Low (exp) Reserved
Cylinder High Reserved
Cylinder High (exp) Reserved
Device/Head Reserved
Status BSY DRDY DF na DRQ 0 0 ERR
ABRT = 0
REG Set to one if the register specifi ed is invalid.
PORT Set to one if the port specifi ed is invalid.
na Field or register is not ...