SAS-2 SSC Investigation - Is this Tape?

Elliott, Robert (Server Storage) Elliott at
Mon Mar 13 09:36:12 PST 2006

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In this context, SSC means Spread Spectrum Clocking.  
It's a technique to slightly adjust a clock frequency over time to avoid
EMI (electromagnetic interference) issues at certain frequencies.
Rob Elliott, elliott at 
Hewlett-Packard Industry Standard Server Storage Advanced Technology 
	From: owner-t10 at [mailto:owner-t10 at] On Behalf Of
Kevin D Butt
	Sent: Monday, March 13, 2006 10:19 AM
	To: T10 at
	Subject: SAS-2 SSC Investigation - Is this Tape?
	I am confused here.  First, in SCSI SSC refers to SCSI Stream
Commands.  I see no mention of tape in this proposal.  From what I read
it appears that SSC is referring to some kind of filter or like method
of signal modification.  Would you please provide the meaning of this
acronym in your document?  Also, if possible could you find an acronym
to use that does not confuse us that are unable to attend SAS WG
	SAS-2 SSC Investigation
	(by: Barry Olawsky)
	T10/06-064r1   Uploaded: 2006/03/06   153717 bytes
Kevin D. Butt
SCSI & Fibre Channel Architect, Tape Firmware
MS 6TYA, 9000 S. Rita Rd., Tucson, AZ 85744
Tel: 520-799-2869 / 520-799-5280
Fax: 520-799-2723 (T/L:321)
Email address: kdbutt at

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