[LAU] usb or firewire (when having a ricoh chipset)

Lorenzo Sutton lsutton at libero.it
Thu Oct 28 13:43:23 UTC 2010

Jeremy Jongepier wrote:
> On 10/28/2010 03:21 PM, Lorenzo Sutton wrote:
>> Hi,
>> Hope this helps...
>> rosea.grammostola wrote:
>>> Hi,
>>> Having a ricoh firewire chipset here on a thinkpad t61. Not the best
>>> one afaik.. Should I go for a usb (edirol for example) or firewire
>>> interface?
>> I had an JMicron (?) chipset on the on-board firewire plug on my laptop
>> which was also on the same IRQ as basically everything (ethernet,
>> graphics card, 2 usb ports etc.) I found no way to even get it to work
>> with the 2nd hand FA 101 I bought.
> Hello Lorenzo,
> I've got a notebook with a JMicron FireWire controller too that shares
> its IRQ with about 4 or 5 other devices. My FireWire card works just
> fine with that controller.
Interesting... what sound card is it? What apps are you using it with?
>> I then got a (cheap) firewire expresscard. The good thing was that the
>> express card slot has its own IRQ. The bad thing was that I discovered
>> the chipset was VIA (they don't tell on the packings) which seems to be
>> one of the worst around for audio and which would give me a "zombified"
>> sound card after a few minutes even with rt kernel and all the possible
>> tweaks explained in all the possible linux firewire/pro-audio tutorials
>> on the net.
> VIA should work, Focusrite even recommends using certain VIA chipsets.
True... I've read (and heard) different opinions about it.
>> Finally I got a firewire expresscard with Texas Instruments chipset
>> (again it took quite some research because it's not well advised on the
>> specs and in the stores), here in italy it's branded Digitus (but
>> careful because they also have a model with the VIA chipset). It now
>> seems to work well. No zombies... A few xruns though (but this was
>> playing heavy with Pd).
>> So it looks like the chipset is important... I have seen various
>> recommended firewire cards (and thus chipsets) on the sound card
>> manufacturers' pages so I think this is not a linux-related issue.
> Chipset is important, but a properly configured system is even more
> important imho.
Well that's what I though/hoped.. but the fact that with same system 
configuration and different chipsets one gets different results must 
mean something I guess.


> Best,
> Jeremy
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