I realize I might have issues with the question of "can I switch this port
off" but, the question still stands: will a turned-off port cause the
device to disconnect?
For that matter, does the commands to turn off a port work on root hubs?
For my testing, I can require the hubs I want witho
Matthew Dharm wrote:
>
> Suppose I used usbdevfs to send a command to a hub to turn off a port...
> does the device plugged in to that port necessarily disconnect? That is,
> can I change my bus topology purely within software?
It isn't that simple :)
IIRC, USB 1.0 spec allowed hubs to do port p
[EMAIL PROTECTED] wrote:
>
> I've written a small program to download firmware to a device (according
> to the USB DFU specs). This generates several timeouts on the control
> pipe, which kinda kills the firmware upgrade. I've tried several packet
> sizes (100, 500, 512, 1024, the interface descr
>>Another question: are there any Cyrix-based platforms are
>>known to actually _work_ with USB on Linux? All that I recall
>>are problem reports.
I'm using a cyrix MediaGX 200 MHz SBC (a virgin webplayer) with a
pegasus-based USB ethernet device.
Works alright, runs for a few days before
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On Wednesday, 4. July 2001 22:07, you wrote:
> > >I have tried to run a webcam (ov511 based) on my old Cyrix 486 100 Mhz
> > >using an Opti OHCI card.
>
> Seems like Cyrix and PCI have ongoing problems, in all incarnations, which
> seem to show up a lot with OHCI addon cards.If you use an In
> > I wouldn't speculate about the exact root cause; nobody has yet
> > turned up any kind of smoking gun. It might be that Cyrix has
> > docs about software fixes/workarounds for these incompatibilities.
>
> I have all the cyrix app notes, and they are pretty boring. I've not seen
> anything th
> I wouldn't speculate about the exact root cause; nobody has yet
> turned up any kind of smoking gun. It might be that Cyrix has
> docs about software fixes/workarounds for these incompatibilities.
I have all the cyrix app notes, and they are pretty boring. I've not seen
anything that would exp
> you assume that's PCI-related hardware-problem, isn't it ? If I have
> got your point, the OHCI stops generating interrupts and therefore
> it's not dependant on the usb stack.
Folk have said they've been able to take a PCI card that failed on
Cyrix over to another machine, and have it work.
