48, 51, 52, 96, 151, 152, 251, 296 are model numbers.
Whenever the MCS® name appears, the following footnote must also appear: "MCS is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.”
Proper trademark usage rules include:
Use the trademark symbol in the first appearance of the trademark in a headline, and/or the first prominent use and first appearance in the body of text. The appropriate use of trademark symbols with this trademark is as follows: MCS® controller.