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Thread: Laptops with firewire & texas instruments chipset

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    Laptops with firewire & texas instruments chipset

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    Anyone out there using soundcard interfaced to laptop via fw?
    What laptop do you use and how is your latency?


    I built a computer and it is great, but need to look for something to use when I am traveling. I have a motu 8 pre which uses fw. I suppose I could use an express card that is controlled by intel that has TI fw. So any of you out there, I'd be intrested in your laptop and the latency. Doesn't have to be new, but somewhat new would be nice and really new would be even nicer.

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    Belkin or SIIG expresscard with TI chips is what you want.

    I have an older Gateway laptop with TI firewire built in and have no problem running under 10ms to my 828mkII.
    (but I dont. You only need to run low enough that you dont notice it - anything below that and you're wasting cpu. Run TOO low - like sub 5ms - and you can actually get problems with comb filtering. I generally run about 17ms.)

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    I'd suggest going with SIIG if you can. I've had generally good luck with their hardware, and generally bad luck with Belkin gear (DOA) over the years. YMMV.
    Quote Originally Posted by Obi-Wan
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    Got this off another internet site regarding the firewire on most laptops currently.
    If you already bought a notebook computer that has a problematic 1394 chipset, you may be able to Disable it in the Device Settings area of your control panel and purchase an ExpressCard 1394 with the TI chipset. I have been told that this only works is you have an Intel ExpressCard bus. (Thanks to ADK Pro Audio)

    But I'd be intrested to hear from anyone on new laptop recommendations for a DAW

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    What matters most is that the ExpressCard should not be sharing interrupts with anything, ideally, and certainly not with any of the following:

    * Graphics chip
    * Any type of USB silicon
    * Any Wi-Fi hardware (whether hanging off a PCI or USB bus)
    * Any other network hardware

    Ideally, it should be on its own hardware interrupt (not shared with anything). However, it's reasonably safe to share an IRQ with most legacy hardware (serial, parallel, PS/2, etc.) when unused. Sharing an IRQ with ATA is somewhat dubious, since those controllers tend to enjoy being bus masters.

    If that doesn't work, check your latency timers.
    Quote Originally Posted by Obi-Wan
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    I have a Toshiba "Satellite" lap top which has a TI-chipped Firewire port that works fine with my M-Audio interface. The trouble is, manufacturers of laptops seem to change details (like the chip set) with annoying regularity so you'll need to specifically check the computer you want to buy.

    Re latency, I have no problems. However, be aware that the firewire chipset has little to do with this. Bigger culprits are your sound interface and your DAW programme. One thing to watch is that you use ASIO drivers in preference to Windows ones if at all possible. ASIO was designed to be a low latency interface. Adjusting buffer sizes to as low as you system can work and avoiding the use of processor-hungry effects when tracking also helps.

    Bob
    That's what I do. I drink and I know things.
    -Tyrion Lannister (and Bobbsy)

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    Laptop

    Quote Originally Posted by TimOBrien View Post
    Belkin or SIIG expresscard with TI chips is what you want.

    I have an older Gateway laptop with TI firewire built in and have no problem running under 10ms to my 828mkII.
    (but I dont. You only need to run low enough that you dont notice it - anything below that and you're wasting cpu. Run TOO low - like sub 5ms - and you can actually get problems with comb filtering. I generally run about 17ms.)
    Can you tell me which gateway laptop you are using.

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    Quote Originally Posted by dgatwood View Post
    What matters most is that the ExpressCard should not be sharing interrupts with anything, ideally, and certainly not with any of the following:

    * Graphics chip
    * Any type of USB silicon
    * Any Wi-Fi hardware (whether hanging off a PCI or USB bus)
    * Any other network hardware

    Ideally, it should be on its own hardware interrupt (not shared with anything). However, it's reasonably safe to share an IRQ with most legacy hardware (serial, parallel, PS/2, etc.) when unused. Sharing an IRQ with ATA is somewhat dubious, since those controllers tend to enjoy being bus masters.

    If that doesn't work, check your latency timers.
    Do you know of any current laptops that would allow for your recommendations?

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    Quote Originally Posted by Bobbsy View Post
    I have a Toshiba "Satellite" lap top which has a TI-chipped Firewire port that works fine with my M-Audio interface. The trouble is, manufacturers of laptops seem to change details (like the chip set) with annoying regularity so you'll need to specifically check the computer you want to buy.

    Re latency, I have no problems. However, be aware that the firewire chipset has little to do with this. Bigger culprits are your sound interface and your DAW programme. One thing to watch is that you use ASIO drivers in preference to Windows ones if at all possible. ASIO was designed to be a low latency interface. Adjusting buffer sizes to as low as you system can work and avoiding the use of processor-hungry effects when tracking also helps.

    Bob
    Thanks Bob. Okay, so I am using a Motu 8pre and Sonar 8 producer and just about ready to install X1 Producer. On my custom desktop I do achieve low latency around 90, and do understand that some recommend really low about 4 or 5 ms, but I can seem to get that. I am fine though with the 90 ms. As far as the laptop goes, can you tell me what you have, model... or recommend something. Thanks

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    Quote Originally Posted by RATONA View Post
    Do you know of any current laptops that would allow for your recommendations?
    All of them should, assuming you know how to reconfigure the IRQ steering.

    IRQ Steering
    How to Disable PCI Bus IRQ Steering in Windows
    Quote Originally Posted by Obi-Wan
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