You need to load the usb-ohci driver. On Thu, 9 Jan 2003, Simon Wu wrote:
> Stephen, > > Thanks for helping me out. > > The /proc/bus/usb/devices content is: > 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= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=0000 ProdID=0000 Rev= 0.00 > S: Product=USB UHCI Root Hub > S: SerialNumber=dce0 > C:* #Ifs= 1 Cfg#= 1 Atr=40 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= 8 Ivl=255ms > > lsmod content is: > Module Size Used by > CDCEther 8656 0 (unused) > acm 5440 0 (unused) > binfmt_misc 6416 1 > rocket 28432 0 > iscsi 21984 0 (unused) > scsi_mod 95696 1 [iscsi] > autofs 11520 0 (autoclean) (unused) > 3c59x 26336 1 > appletalk 20912 0 (autoclean) > ipx 16448 0 (autoclean) > cs4232 3952 0 (unused) > ad1848 17488 0 [cs4232] > uart401 6576 0 [cs4232] > sound 59680 0 [cs4232 ad1848 uart401] > soundcore 4464 4 [sound] > usb-uhci 21536 0 (unused) > usbcore 51712 1 [CDCEther acm usb-uhci] > ext3 64624 2 > jbd 40992 2 [ext3] > > lspci -vv content with after plug in the PCI-USB card is: > 02:09.0 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI]) > Subsystem: Unknown device 3083:0035 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > Stepping- SERR+ FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 64 (250ns min, 10500ns max), cache line size 08 > Interrupt: pin A routed to IRQ 10 > Region 0: Memory at fafff000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > PME(D0+,D1+,D2+,D3hot+,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > 02:09.1 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI]) > Subsystem: Unknown device 3083:0035 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > Stepping- SERR+ FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 64 (250ns min, 10500ns max), cache line size 08 > Interrupt: pin B routed to IRQ 11 > Region 0: Memory at faffe000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > PME(D0+,D1+,D2+,D3hot+,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > 02:09.2 USB Controller: NEC Corporation: Unknown device 00e0 (rev 02) > (prog-if 20) > Subsystem: Unknown device 3083:00e0 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > Stepping- SERR+ FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 64 (4000ns min, 8500ns max), cache line size 08 > Interrupt: pin C routed to IRQ 11 > Region 0: Memory at faffdc00 (32-bit, non-prefetchable) [size=256] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > PME(D0+,D1+,D2+,D3hot+,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > > > > > > >From: "Stephen J. Gowdy" <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: Simon Wu <[EMAIL PROTECTED]> > >CC: [EMAIL PROTECTED] > >Subject: Re: [Linux-usb-users] How to add a 2nd PCI-USB host > >Date: Thu, 9 Jan 2003 11:38:18 -0800 (PST) > > > >WHat are the contents of /proc/bus/usb/devices, the output of "lspci -vvv" > >and the output of lsmod? > > > >On Thu, 9 Jan 2003, Simon Wu wrote: > > > > > > > > PLEASE REPLY ALL AS I AM NOT ON THE MAILING LIST > > > > > > Hello, > > > > > > I have a Dell Pentium3 PC which has a built-in USB host. I need to > >expand > > > the USB ports so I added a 4-port USB1.1 hub. However when I connected > >more > > > than two 384kbps modems (ACM modem) to the hub, the speed on some modem > >drop > > > dramatically. It only support up to two 384ktps modems. I thought the > >HUB > > > should be able to support 4 modems with full speed because the total > >rate is > > > only about 1/10 of 12Mb/s supported by USB1.1. Anyone know what could be > >the > > > problem? > > > > > > So, I decided to add a 2nd PCI-USB host(USB2.0 hardware). My redhat > >linux > > > 7.2 can detect the hardware at boot up, and installed the driver. But > >when I > > > put the modem on the 2nd host (the PCI one), the linux system couldn't > > > detect the modem. Can we config Redhat7.2 for more than one root hosts? > > > > > > The other question is is USB2.0 available for Redhat 7.2? If so, will > > > upgrade to USB2.0 solve my problem. Or do I have to use PCs with > >built-in > > > USB2.0 host? > > > > > > > > > Thanks, > > > > > > > > > Simon > > > > > > > > > > > > > > > _________________________________________________________________ > > > MSN 8 helps eliminate e-mail viruses. Get 2 months FREE* > > > http://join.msn.com/?page=features/virus > > > > > > > > > > > > ------------------------------------------------------- > > > This SF.NET email is sponsored by: > > > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > > > http://www.vasoftware.com > > > _______________________________________________ > > > [EMAIL PROTECTED] > > > To unsubscribe, use the last form field at: > > > https://lists.sourceforge.net/lists/listinfo/linux-usb-users > > > > > > >-- > > /------------------------------------+-------------------------\ > >|Stephen J. Gowdy | SLAC, MailStop 34, | > >|http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | > >|http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | > >|EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | > > \------------------------------------+-------------------------/ > > > _________________________________________________________________ > Protect your PC - get McAfee.com VirusScan Online > http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 > -- /------------------------------------+-------------------------\ |Stephen J. Gowdy | SLAC, MailStop 34, | |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | |http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | |EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | \------------------------------------+-------------------------/ ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
