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Maxtor Atlas 10K V B-3
B.2 Settings for the QAS, DT, and IU fields
Table C-3 provides valid bit combinations for the QAS, DT, and IU fields of the
INQUIRY command’s Negotiated Rate Information Page (Section 5.11.2.7 of this
manual). Only the combinations shown in the table are valid; all other combinations
are reserved.
Table B-3 Settings for the QAS, DT, and IU Fields of the Negotiated Rate Information Page (INQUIRY
Command)
QAS DT IU Description
0 0 0 Selects Single Transition phases. Use ST DATA IN and ST DATA
OUT phases to transfer data
0 1 0 Use DT DATA IN and DT DATA OUT phases with data group
transfers.
0 1 1 Use DT DATA IN and DT DATA OUT phases with information unit
transfers.
1 1 1 Use DT DATA IN and DT DATA OUT phases with information unit
transfers and use QAS for arbitration.