[parisc-linux] Bus Speed

[Alan Cox]

On Sat, 2002-09-07 at 21:49, marc wrote:
> When Linux starts up I see a message saying:
> 
> ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
> 
> I have a C180 and the bus speed at startup says:
> 
> Central Bus Speed (in MHz) :        120
> 
> so I'm assuming I should add the boot parameter as mentioned above.
> Will I see any performance gain?

I doubt the 120Mhz clock is run to non PCI IDE devices. The PARISC port
should be setting the IDE base clocking itself.