[H-GEN] Linux file server
Russell Stuart
russell at stuart.id.au
Sun Jul 4 04:44:39 EDT 2004
Robert Brockway wrote:
> Devices on the motherboard (such as an ATA or SATA controller) still talk
> to the rest of the system through a PCI bus, it is just imbedded on the
> board. Infact, for all except really high end boards it is the same PCI
> bus that the cards use. Checkout /proc/bus/pci - you'll find your
> imbedded devices mentioned there.
Yes, that makes sense - I stand corrected.
> One other interesting point about the ISA bus is that 486 boxes often had
> much faster ISA buses than later machines like Pentiums where the ISA bus
> was considered legacy. Offically an ISA bus is 8MHz but some 486 buses
> were clocked at up to 20MHz while all the legacy ISA buses were pretty
> much stock standard 8MHz, or so I am led to believe.
I don't know about 20MHz - but, I have seen 12MHz ones. You
often had to wind them back to 8MHz to get all the cards to
work.
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