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SubjectRe: USB 2.0 Mass storage device
On Thu, Feb 24, 2005 at 10:49:28AM -0800, Greg KH wrote:
> > This is the device:
> > http://www.msi.com.tw/program/support/download/dld/spt_dld_detail.php?UID=607&kind=6
> >
> > Btw, I thought, that ehci-hcd driver handles both usb 2.0 and 1.1. Does it?
>
> No, it hands off the usb 1.1 devices to the usb 1 core inside it. This
> is either uhci or ohci, depending on your controller chip.
>
> Unless you put a USB 2.0 hub in front of a usb 1.1 device, then it gets
> more complicated, but we'll just ignore that issue for now...
>
> What does /proc/bus/usb/devices show for this device?

When connected through uhci-hcd:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1462 ProdID=5511 Rev=10.01
S: Manufacturer=MSI
S: Product=MEGA Player 5511
S: SerialNumber=23DE7394D6198090
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms

--
Lukáš Hejtmánek
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