On Mon, Oct 22, 2001 at 04:43:51PM -0400, Hong Hsu wrote: > But why the > PIT is used by kernel as TSC always come with an Intel x86 processor. Modern x86's yes. Don't forget Linux still runs on 386's. Also, the TSC is buggy on several x86 implementations. regards, Dave. - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/