Chinese authorities have urged local companies to avoid using Nvidia's H20 chips, particularly for government-related purposes, Bloomberg News reported on Tuesday (Aug 12), a move likely to hamper the firm's efforts to revive its slumping China sales. A range of firms were sent official notices discouraging the use of the H20, a less-advanced chip, particularly for any government or national security-related work by state enterprises or private companies, the report said, citing people familiar