SAS Notify (Enable Spinup)

Gil Romo gil.romo at
Thu Oct 28 10:43:50 PDT 2004

* From the T10 Reflector (t10 at, posted by:
* Gil Romo <gil.romo at>
SAS initiator and expander ports transmit NOTIFY (E/S) primitives to SAS target 
ports, as described in SAS1.1 subclause

Here are a few questions:

Is it permissible for a wide port to transmit a primitive on each physical link?

The primitive is transmitted after the link reset sequence is complete.  I don't 
see reception of this primitive covered in the SAS link layer description.  

Is there a confirmation that informs the application layer of detection of this 

Are there any recommendations for transmission frequency (ie, how often does the 
target device expect to receive the primitive)?

Gilbert Romo
ASIC Engineer
QLogic Corporation, Aliso Viejo, California
Office: 949-389-6266
E-mail: gil.romo at

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