Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: Firewire/sbp2 troubles with Linux 2.6.0 | From | (Måns Rullgård) | Date | Sun, 21 Dec 2003 20:34:28 +0100 |
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Ben Collins <bcollins@debian.org> writes:
>> > As far as 10mbs, you have to remember that even though firewire is much >> > higher than that, your drive is still an IDE, and the firewire is still >> > going through an IDE bridge. So the limitation lies in the IDE bridge. >> > I've seen performance as high as 34MB/s with good IDE bridges and >> > drives, though. >> >> The disks will easily do 40 MB/s on a good IDE controller. It seems >> like a rather bad bridge to me if it has that much overhead. I >> haven't seen many different options for sale, either. > > Most things based on newer Oxford chips seem to work pretty well. What > ohci1394 controller do you have though?
I have this:
00:0a.2 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (prog-if 10 [OHCI]) Subsystem: Asustek Computer, Inc.: Unknown device 1687 Flags: bus master, medium devsel, latency 32, IRQ 11 Memory at e5800000 (32-bit, non-prefetchable) [size=2K] Capabilities: <available only to root>
-- Måns Rullgård mru@kth.se - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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