USB Issue with WinXP? - USB Port Problem.doc (0/1)

[charliec@email.com]

I have a bit of a problem with WinXP telling me that one of my USB

devices would operate faster if it was connected to a Hi-Speed USB 2

port. But it does not ID the device in question. How do I figure out

which device it is referring to? It does not happen all the time,

maybe once or twice a day, so it's hard to pin-point.



I've attached screen copies of the messages, if that will help ID the

source. Any thoughts are appreciated.



Thanks

Charliec

 

[David H. Lipman]

From:



| I have a bit of a problem with WinXP telling me that one of my USB

| devices would operate faster if it was connected to a Hi-Speed USB 2

| port. But it does not ID the device in question. How do I figure out

| which device it is referring to? It does not happen all the time,

| maybe once or twice a day, so it's hard to pin-point.



| I've attached screen copies of the messages, if that will help ID the

| source. Any thoughts are appreciated.



| Thanks

| Charliec



Attachment dropped. Probably too big.



--

Dave

http://www.claymania.com/removal-trojan-adware.html

Multi-AV - http://www.pctipp.ch/downloads/dl/35905.asp

 

[Jose]

On Feb 22, 4:15 pm, charl...@email.com wrote:

> I have a bit of a problem with WinXP telling me that one of my USB

> devices would operate faster if it was connected to a Hi-Speed USB 2

> port.  But it does not ID the device in question.  How do I figure out

> which device it is referring to?  It does not happen all the time,

> maybe once or twice a day, so it's hard to pin-point.

>

> I've attached screen copies of the messages, if that will help ID the

> source.  Any thoughts are appreciated.

>

> Thanks

> Charliec



Open Device Manager, by clicking Start, Run and in the box enter:



%SystemRoot%\system32\devmgmt.msc



Click OK.



Do you see any red Xs or yellow ?s in the list? Those are problems

that need to be fixed.



Now expand the Universal Serial Bus controllers section and look for

the words:



Enhanced Host Controller



Enhanced is the key word which means high speed. If Enhanced is not

listed, it is just a USB 2.0, but not high speed but a driver upgrade

will usually fix it. You can get updated drivers from the

manufacturer of your motherboard, although the Windows drivers will

sometimes work.



Right click one of the USB devices, Properties, Driver, Update and let

it search Windows for a driver first. Be sure to reboot after making

any changes.



Sometimes there is a setting to change in the BIOS. In the BIOS under

a section for USB, there may be an option for ECxx (enhanced

controller) that is disabled. Enable it, reboot.



After the update, there should now be at least one USB Enhanced Host

Controller.



It is possible to configure a check box in the properties on the

device to never warn you about errors. Probably not a good idea.



To create and post a screenshot:



Press the Print Scrn button to copy your entire screen to the Windows

clipboard.



Press Alt Print Scrn to copy just the active window to the Windows

clipboard.



Open MS Paint:



Start, Program Accessories, Paint



When Paint opens, press CTRL-V to paste the clipboard, save the new

Paint file to your desktop or someplace you can remember. JPG files

take up less hard disk space than BMP files and just as readable.



Make as many screenshots as you need. Practice makes perfect. Be

careful your screenshot does not contain any personal information.

Practice viewing your images before you upload them to be sure they

are okay.



You cannot upload a screenshot here.



If there is no such function in your message board to upload files,

then use a free third party image hosting WWW site.



Create a free account on some free picture hosting web site. You can

always remove your account later if you want. Here are some free

image hosting sites:



http://www.imageshack.us/

http://photobucket.com/



Using your free account, upload your screenshot(s) (the JPG or BMP

files) to the site and it will return to you a URL web address (a

Direct Link) for your new image(s) which you can paste the Direct Link

in a message post, email, etc.



When you are done, what you post for others to use should look

something like this:



http://img64.imageshack.us/img64/4613/devicemanager.png

 

[Jose]

On Feb 22, 4:29 pm, "David H. Lipman"

wrote:

> From:

>

> | I have a bit of a problem with WinXP telling me that one of my USB

> | devices would operate faster if it was connected to a Hi-Speed USB 2

> | port.  But it does not ID the device in question.  How do I figure out

> | which device it is referring to?  It does not happen all the time,

> | maybe once or twice a day, so it's hard to pin-point.

>

> | I've attached screen copies of the messages, if that will help ID the

> | source.  Any thoughts are appreciated.

>

> | Thanks

> | Charliec

>

> Attachment dropped.  Probably too big.

>

> --

> Davehttp://www.claymania.com/removal-trojan-adware.html

> Multi-AV -http://www.pctipp.ch/downloads/dl/35905.asp



Here is a better example of what you need to see when it is working

properly:



http://img43.imageshack.us/img43/2466/devicemanagerenhanced.png

 

[Paul]

charliec@email.com wrote:

> I have a bit of a problem with WinXP telling me that one of my USB

> devices would operate faster if it was connected to a Hi-Speed USB 2

> port. But it does not ID the device in question. How do I figure out

> which device it is referring to? It does not happen all the time,

> maybe once or twice a day, so it's hard to pin-point.

>

> I've attached screen copies of the messages, if that will help ID the

> source. Any thoughts are appreciated.

>

> Thanks

> Charliec



There are two sides to the story.



The other posters have pointed out, that the motherboard "host"

presents its capabilities, as entries in Device Manager.

If there is an "Enhanced" entry in Device Manager, that

logic block supports USB2 rates on a number of motherboard

ports.



The other side of the picture, is the "peripheral" plugged

into the motherboard port. It has capabilities too. In

the config information coming from the device, is a

capability field that says the device supports USB2 rates.

That might be the trigger, for getting a "helpful hint"

from your copy of Windows.



To check the plugged-in peripherals, try the UVCView program.

UVCView was written my Microsoft, but is no longer available

for download. Copies of the program used to be stored on

archive.org, but Microsoft had those removed as well. The

following two links are all that is left.



*******

ftp://ftp.efo.ru/pub/ftdichip/Utilities/UVCView.x86.exe

http://www.users.on.net/~fzabkar/USB_IDs/UVCView.x86.exe



File size is 167,232 bytes.

MD5sum is 93244d84d79314898e62d21cecc4ca5e



This is a picture of what the UVCView info looks like.



http://www.die.de/blog/content/binary/usbview.png



Some information on the parameters seen in UVCView.



http://www.beyondlogic.org/usbnutshell/usb5.htm

*******



In your case, it could be that any peripheral with

"bcdUSB = 0x0200" could be stating it is USB2

capable. If the host port it is connected to, only

is currently capable of running USB 1.1 rates, then

you'll get the warning message in Windows. Once you

get the driver installed, so the motherboard port will

support USB2 rates, Device Manager has the "Enhanced"

USB entry, then you may find the warnings stop.



When using UVCView, the USB peripheral should be

plugged directly into the motherboard USB port. I don't

think the various USB viewer programs, have the capability

to display entire USB trees, and typically only support

things directly connected to the computer. The reason for

this, is the basic code was "sample code" provided by

Microsoft, and is not an attempt at a fully functional

diagnostic tool. It is only a start, at the components

of such a tool.



Paul