This info was gleaned mostly from the article
New I/OTechnologies Seek to End Bottlenecks
in the 2001 June issue of “Computer” magazine.
PCI-X; 2014 Quote: “Download the Specifications (Members only)”
InfiniBand;
Quote: “Non-Members: Register here to download electronic copies of the latest specification and Annexes.”
my note RapidIO; 2014