Messages in this thread | | | Date | Mon, 07 Jan 2008 14:10:29 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override. |
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Bodo Eggert wrote: > > But overclocking is not the problem for udelay, it would err to the safe > side. The problem would be a BUS having < 8 MHz, and since the days of > 80286, they are hard to find. IMO having an option to set the bus speed > for those systems should be enough. >
There might have been a few 386/20's clocking the ISA bus at ÷3 (6.67 MHz) rather than ÷2 (10 MHz) or ÷2.5 (8 MHz).
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