https://www.tomshardware.com/reviews/athlon-kx133-motherboard-roundup,186-8.html
Jetway 771AS - Athlon KX133 Motherboard Roundup - A Nail-Biting Affair | Tom's Hardware
May 7, 2000 - Contrary to the AMD750/Irongate, the new KX133 Athlon chipset from VIA offers AGP 4x and a memory clock up to 133 MHz. But not all test candidates have...