> Prepare for more explosions. The POST code is written 32768 times and > a side effect of writing to an I/O port on x86 is that it takes ~3 > usec > depending on whom you ask. Why writing the POST code, you ask? Simple. > Port 0x80 is probably the one I/O port with the least side effects.
There's also 0xeb, which is guaranteed to be empty (which makes it even slower, at least on actual ISA systems). Segher -- linuxbios mailing list linuxbios@linuxbios.org http://www.openbios.org/mailman/listinfo/linuxbios