[LAU] EQ plug and 4-pin 1394

[Kim Cascone]

Mark Knecht wrote:
> On Tue, Nov 30, 2010 at 8:20 AM, Kim Cascone <kim at anechoicmedia.com> wrote:
> <SNIP>
>   
>> 2- my Dell laptop has a 4-pin firewire output and was wondering if there are
>> any issues with using a 4 pin cable for a 6 pin I/O other than not supplying
>> power?
>> I know I have to supply power to the box since a 4-pin 1394 connector
>> doesn't carry DC power.
>>     
>
> There should be no issues. The 6-pin connector is literally the 4-pin
> connector signals (2 out, 2 in) with 2 power wires. There is no
> difference in the IEEE-1394A specs for either connector and, in my
> experience, the 4-pin has always worked for me.
>   
OK thanks for the info! :)
> The biggest issue with 1394 on Linux is the 1394 controller in the PC.
> You might look around for evidence that your specific hardware (the
> chip inside - not the laptop) is well supported. (I.e - TI is, others
> vary) Stefan Richter in the 1394 user list is a great resource. lspci
> is your friend.
>   
yeah I did a lspci and found:

09:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller 
(rev 05)

-- also --

sudo lshw | grep 1394
                description: FireWire (IEEE 1394)
                product: R5C832 IEEE 1394 Controller
                configuration: driver=ohci1394 latency=32 maxlatency=4 
mingnt=2 module=ohci1394



> Hope this helps,
> Mark
>
>