
SATA Transport Layer 223
This field is optional, and an HBA implementation may choose to ignore this field if the
FIS to be transmitted is constructed via an alternative method.
Reserved All reserved fields shall be cleared to zero.
SError Register
The SError register is a 32-bit register that conveys supplemental interface error information to comple-
ment the error information available in the Shadow Error register.
The register represents all the detected errors accumulated since the last time the SError register
was cleared (regardless of whether it was recovered by the interface).
Set bits in the error register are explicitly cle ...