On October 6, 2017 10:24:33 AM HST, David Kastrup <dak@xxxxxxx> wrote: > Bernardo Barros <bernardo.barros-RWB/UN2hA5c@xxxxxxxxxxxxxxxx> writes: > > > On 10/3/17 17:50, David Kastrup wrote: > >> Do modern laptops still have Expresscard slots? > > > > So it works for you? > > I have one Expresscard with IT chipset > > 05:00.0 PCI bridge: Texas Instruments XIO2000(A)/XIO2200A PCI > Express-to-PCI Bridge (rev 03) > 06:00.0 FireWire (IEEE 1394): Texas Instruments XIO2200A > IEEE-1394a-2000 Controller (PHY/Link) (rev 01) > > that works for me _if_ I boot with the card (there are some ways of > removing and reinserting it that will also keep it working, but you > have > to have booted with it first, and reinsertion while the laptop is live > rather than asleep in some manner won't do either). > > That's usually the one advertised as "with TI chipset". Some reports > of > Linux/Firewire users/developers decry the internal PCIx/PCI bridge as > slow and buggy and I suspect it to be responsible for the hotplugging > problems, but when booting with it, this has been the most reliable > Firewire interface for me yet (only tested 400Mbps ones, including the > Ricoh built into the T61 laptop). > > I have one that is proper PCIe without bridge. Let me check: > > 05:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6315 Series > Firewire Controller > > This one has smaller buffers and will crash/hang sometimes. > > I also have some Cardbus card (some NEC chip) which will not enter > synchronous connections (astonishingly, it will work with an Apple > iSight camera but not with audio cards). Basically, Cardbus was no > longer of interest when the "new Firewire stack" was created, and the > old one is no longer available. So don't weep after Cardbus cards. > Not > that you likely can, anyway. > > > I will verify if thinkpads still have expresscard. I was by a > System76 > > employee that although their models have expresscard, it won't work > > just like a firewire IO > > The Expresscards are OEMed to silliness. My good one (Delock, TI > XIO2200A) has a sequence of equal-length ridges across it. The > problematic one (MS-Tech, Via VT6315) has a sequence of increasing > size > ellipse indentations across it. Either are 34mm Expresscards, have a > connector for 12V at the side and two 6-pin IEEE1394a connectors at > the > front. > > You'll probably find a slew of other providers for the same cards, > differing only in the product labels glued on. It's stupid to go by > plastic ridges, but probably more reliable than the product name > unless > a particular chipset is documented. I have a System76 laptop. There's no Expresscard port on it. -- David W. Jones gnome@xxxxxxxxxxxxx authenticity, honesty, community http://dancingtreefrog.com Sent from my Android device with K-9 Mail. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user