SAS XL state machine to XL transmitter messages

Gil Romo gil.romo at
Thu Dec 4 17:17:39 PST 2003

* From the T10 Reflector (t10 at, posted by:
* Gil Romo <gil.romo at>
There is a discrepancy between 7.15, XL state machine, and Annex G, Expander 
device handling of connections.

In 7.15.5 and 7.15.6, the XL2 and XL3 states repeatedly send Transmit Idle Dword 
messages to the XL transmitter until the first ECR confirmation is received.

However, G.2, G.3, G.5, G.6, G.7, and G.12 show that the Phy[X] transmitter 
continuously sends AIP (NORMAL) during this period.  Note this also occurs with 
Phy[Y] in G.6 and G.7.

Will someone involved in this area please review?
Gilbert Romo
Circuits & Integration
QLogic Corporation, Aliso Viejo, California
Office: 949-389-6266
E-mail: gil.romo at

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