On Sat, 23 Jul 2005 18:03:03 +0800 Joseph Lee wrote:

> Hi all,
> 
> I setup a Linux server with IBM 560Z (laptop). There is an USB 1.0
> controller on board. Recently, I tried to upgrade to USB2.0 with an
> additional USB2.0 PCMCIA card. 
> 
> Problem: 
> My external USB(2.0) hard drive CANNOT be detected after I plugged it into
> the slot of USB PCMCIA card.
> 
> What I tested:
> 1) The external USB(2.0) hard drive worked perfectly when I plugged it
> through the USB 1.0 controller on board. I can mount the drive through
> /dev/sda. 
> 2) The external hard drive can work perfectly under Windows through USB 2.0
> PCMCIA card.
> 
> Do I need to setup anything else for USB 2.0 PCMCIA card? Thanks.
> 
> Joseph Lee
> 
> PS. Further info (/proc/bus/usb). By the way, the bus 2~4 are USB 2.0 PCMCIA
> card.

But bus 4 says 480 Mbps (USB 2.0 high speed), while
buses 2-3 say 12 Mbps (USB 1.x full speed).

Did you plug the disk drive into the bus 4 USB connector?

> T:  Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 5
> B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 2.06
> S:  Manufacturer=Linux 2.6.11-1.1369_FC4 ehci_hcd
> S:  Product=EHCI Host Controller
> S:  SerialNumber=0000:01:00.2
> C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=256ms
> 
> T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 2.06
> S:  Manufacturer=Linux 2.6.11-1.1369_FC4 ohci_hcd
> S:  Product=OHCI Host Controller
> S:  SerialNumber=0000:01:00.1
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
> 
> T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 3
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 2.06
> S:  Manufacturer=Linux 2.6.11-1.1369_FC4 ohci_hcd
> S:  Product=OHCI Host Controller
> S:  SerialNumber=0000:01:00.0
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
> 
> T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 2.06
> S:  Manufacturer=Linux 2.6.11-1.1369_FC4 uhci_hcd
> S:  Product=UHCI Host Controller
> S:  SerialNumber=0000:00:06.2
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms


---
~Randy


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