Re: ide bus speed
On Tuesday 04 June 2002 13:44, arthur_dent wrote:
> When booting both mylaptop and a desktop I notice that during the
> boot sequence it says:
>
> "assuming 33MHz system bus speed.......
>
> Does this mean it's assuming a PCI bus speed of 33MHz?
> Does that mean the system motherboard speed. i.e. some p.c's may
> advertise a bus speed of 100MHz or more these days, I think.?
IIRC, the PCI bus is supposed to run at 33MHz. You'll have to make a
difference between
* Front side bus (CPU, Northbridge, RAM), that's what marketing says
* PCI bus, runs mostly at 33MHz, can be pushed to 66MHz if _all_ cards
support it. Not recommended.
* IDE bus. There you have DMA33, UDMA66/100/133
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