The speed of the bus is 33mHz
The width of PCI is 32 bits
33 * 32 = 1056 bits/second
(1056 bits/second) / (8 bytes/bit) = 132 Megabytes/second
So, the theoretical maximum throughput of PCI is 132 Mbytes/second.
Jeff Hubbs writes:
> I hope this answer isn't so wrong as to make me look stupid (hm, why shoudl
> THAT bother me??), but isn't the PCI bus parallel, i.e., 132 MWORDS/sec (is
> it 32-bit words?)? Ethernet cards serialize this, so I'd expect that the
> PCI bus is probably a little more than enough to get a gigaBIT/sec through.
>
>
> - Jeff
>
> > -----Original Message-----
> > From: Chris Fowler [mailto:">chrisf@computone.com]
> > Sent: Wednesday, April 12, 2000 5:17 PM
> > To: '">ale@ale.org'
> > Subject: [ale] Gigabit cards
> >
> >
> > How can I get a gigit through a PCI card when the bus is
> > capable of only 132
> > megabits?
> >
> > Chris
> > --
> > To unsubscribe: mail ">majordomo@ale.org with "unsubscribe ale"
> > in message body.
> >
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