--- David Brownell <[EMAIL PROTECTED]> wrote:
> So ... did you verify that not using the external
> power
> supply *was* causing the problem?
>
...
>
> In this case I can only report what I observed:
> that
> EHCI in a CardBus format needed extra power.
>
...
I have attached the power supp
Ok,
i'm testing with power cord plugged, this cable
capture power from ps/2 port to give it to the
cardbus, but i have the same problem.
Here is the error in dmesg (i have turned off the
verbose debug of usb module)
usb 7-3: new high speed USB device using ehci_hcd and
address 2
usb 7-3: device de
--- Alan Stern <[EMAIL PROTECTED]> wrote:
> On Thu, 10 Jan 2008, David Brownell wrote:
>
> > On Thursday 10 January 2008, Alan Stern wrote:
> > > > Ok, power vary if different speed is selected,
> but
> > > > isn't possible to add a feauture to ehci
> module to
> > > > auto select lower speed if
On Thu, 10 Jan 2008, David Brownell wrote:
> On Thursday 10 January 2008, Alan Stern wrote:
> > > Ok, power vary if different speed is selected, but
> > > isn't possible to add a feauture to ehci module to
> > > auto select lower speed if there isn't enought power
> > > to reach th HighSpeed mode?
On Thursday 10 January 2008, Alan Stern wrote:
> > Ok, power vary if different speed is selected, but
> > isn't possible to add a feauture to ehci module to
> > auto select lower speed if there isn't enought power
> > to reach th HighSpeed mode?
>
> It is possible, and such a feature has already b
On Thu, 10 Jan 2008, topo gigio wrote:
> Ok, googling around, i found this "Transmitted signal
> levels are 0.00.3 volts for low and 2.83.6 volts for
> high in Full Speed and Low Speed modes, and +-400mV in
> High Speed (HS) mode."
> Ok, power vary if different speed is selected, but
> isn't pos
On Wednesday 09 January 2008, topo gigio wrote:
> LoL,
> well thanks to all for your answers, it's funny
> that's a power problem,
So ... did you verify that not using the external power
supply *was* causing the problem?
> But... if, like u say, this is a power problem, why
> the same device (a
Ok, googling around, i found this "Transmitted signal
levels are 0.00.3 volts for low and 2.83.6 volts for
high in Full Speed and Low Speed modes, and +-400mV in
High Speed (HS) mode."
Ok, power vary if different speed is selected, but
isn't possible to add a feauture to ehci module to
auto selec
LoL,
well thanks to all for your answers, it's funny
that's a power problem, notbooks should must be
portable but i must plug too many porwer cords to work
whit it around the world ^^
But... if, like u say, this is a power problem, why
the same device (a stupid lexar usb pen drive) work
whitout pr
On Tuesday 08 January 2008, topo gigio wrote:
> module, last week i had bought an pcmcia carbus card
> with usb 2.0 and firewire ports based on ALi chipset.
> If i use only the ohci driver, all ports goes well and
> i can use it without problems (but as usb 1.1).
> When i use the ehci driver, i can
On Tue, 8 Jan 2008, topo gigio wrote:
> Hi,
> i'm from Italy (and this is my first post on
> mailinglist :) ), i have a strange issue with the ehci
> module, last week i had bought an pcmcia carbus card
> with usb 2.0 and firewire ports based on ALi chipset.
> If i use only the ohci driver, all p
Hi,
i'm from Italy (and this is my first post on
mailinglist :) ), i have a strange issue with the ehci
module, last week i had bought an pcmcia carbus card
with usb 2.0 and firewire ports based on ALi chipset.
If i use only the ohci driver, all ports goes well and
i can use it without problems (b
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