Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

Alan Cox
2007-12-07T21:51:46Z

> > 8uS is an ISA bus transaction.
>
> You very likely know better but just in case you're confused -- I thought it
> was 8 cycles...

I'll double check. Its a long time since I stuck a scope on an ISA bus