[LAU] Thinkpad R60 for Audio Update - Firewire Conflicts with Audio

Robin Gareus robin at gareus.org
Tue Apr 10 18:03:41 EDT 2007



Spencer Russell wrote:
> On 4/10/07, Pieter Palmers <pieterp at joow.be> wrote:
>> Spencer Russell wrote:
>> >
>> > Is anybody using a firewire card through a PCMCIA adpter? I hesitate
>> > to use a firewire card because I want something that's bus-powered,
>> > but this laptop only has a 4-pin firewire. I'm leaning perhaps to
>> the...
>>
>>
>> Note that there might be exceptions, but:
>> PCMCIA or Cardbus adapters are also unable to provide bus power,
>> notwithstanding the fact that they do have 6-pin adapters. The
>> PCMCIA/cardbus bus doesn't provide the power needed for the FireWire
>> bus, so these adapters can't provide it.
>>

IIRC. PCMCIA devices may use max. 500mA. (*5V = 2.5W). and it's well
protected against drawing too much current from it. (at least compared
to USB.)

> Hrm, this is problematic. I'd just about settled down to the idea of
> either the Presonus Firepod of the Edirol FA-66, but if there's no way
> to get them portable power, 

you could get or build an adapter. USB-power + 4pin 1394 to 6pin 1394.





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