K6-2+/400 To K6-2+/550: April 2000 To September 2000
Even after the introduction of the Athlon K7, AMD still kept developing the classic K6-2 for Socket 7: the K6-2+ was fitted with 128 kB L2 cache running at the full clock speed. The 3DNow! instruction set, which improved performance with some games, was not standard.
AMD K6-2+/500 with 128 kB L2-Cache for Socket 7.
The utility reads the details incorrectly: AMD K6-2+/500 for Socket 7.