Messages in this thread | | | Date | Sun, 9 Dec 2007 13:41:58 +0000 | From | "Dr. David Alan Gilbert" <> | Subject | Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops |
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* Pavel Machek (pavel@ucw.cz) wrote: > Hi!
> Actually, I've seen few pci cards with leds on port 0x80, and I > wonder: is our outb_p really correct? > > I mean, we expect 8usec delay -- historical ISA timing -- but when > _PCI_ card with leds is inserted, it is likely to be faster than old > ISA, right?
In the opposite direction I'm sure I've heard of things that port 80 information down i2c - could this be slower?
Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \ \ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex / \ _________________________|_____ http://www.treblig.org |_______/
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