|
I have 4 USB ports on the front of my computer and 6 in the back.
I have about 8 USB devices: external drives, sticks, cell phones, cameras.
It is often the case (40% of the time) that I plug something in (usually the external hard drive or cell phone...
Started by Edward Tanguay on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
The port I used the first time is now the only oneI suspect you are having....
That is definitely the case with my UMTS mobile USB stick.
And applications cache port infos and try to access the USB resource always in that location.
|
|
A colleague has a Microsoft ergonomic keyboard which is a couple of years old, and every few days when the PC is turned on, it doesn't accept any input from the keyboard. The solution is to switch to another USB port, at which points it's picked up, but...
Started by Alistair Knock on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
I've seen some motherboards with flakey USB ports..
Is with the keyboard or the computer.
|
|
I want to ask how can we enable or disable usb ports on windows vista pc. Also i have 6 usb ports , 2 in front and 4 at the back, so it it possible to disable the front usb port and enable 4 ports at the back.
Started by jack.spicer on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
The DevCon command-line utility functions as an alternative to Device ... .
It usually runs to a block of pins about 2 pins by 5 I think .
The two front ports probably have a cable running from the front of the pc to the motherboard, just unplug it.
|
Ask your Facebook Friends
|
Is there an easy way to programmatically determine the speed (or version) of a USB port? I'm looking to control the speed of data sent to a usb port based its maximum bandwidth.
Started by SwDevMan81 on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
1 for the slower speed 12Mbps USB 1.0/library/ms793313.aspx
Basically you should try this:
Enumerate the USB devices and the symbolic names to their drivers Open a handle ....
Controllers really have 2 controllers per port connected.
|
|
Is there a way to programatically turning off the power or killing a USB port on the Mac?
Started by Kyle Hayes on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If you're refering to USB storage....
It might go through), but short of modifying the port physically, I don't think you will be able to deactivate the power.
I believe that the USB power typically comes directly from the power supply.
|
|
How to determine the usb port speed in embedded devices running the linux kernel?
Started by bluegenetic on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You can read /sys/bus/usb/devices/usb?/speed - it'll give you the bus speed of the root hub(s a kernel USB device drivers behavior based on connection speed then the usb_device struct that passed to the driver by the USB....
|
|
Is there any way for developer to send data to the iPhone's USB port?
Started by Sam Lee on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
USB functionality is expanded in iPhone OS 3.0 ..
Not currently.
File an enhancement request.
|
|
My laptop have 2 usb ports, but one is broken, so I use an USB hub in the another good USB port. In that USB hub, I use a mouse and keyboard. Suddenly, that USB port doesn't detects the mouse and keyboard (even with the light of the hub is on), and the...
Started by Click Ok on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at superuser):
You should look at NIRSOFT's USB Device view ( http://www.nirsoft.net/utils/usb%5Fdevices%....
May be the laptop has not enough power on the USB, some older laptops had not the full 500mA.
To the USB hub, check if that helps.
|
|
I just noticed that when I disconnected a USB drive, a message was logged from "usb 1-1:". Does this mean my ports are 1.1, this particular device is a 1.1 device, or is it a meaningless message?
Is there a way to tell which ports are what under linux...
Started by chris on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
It means, as far as I can tell, the device on the first port on the first USB bus....
Note that the same port is often on two buses, one 1.1 (OHCI or UHCI) and one 2.0 the number Linux gave to your device.
Of the first USB bus).
|
|
How do you lock out the USB ports on the desktop PCs so we can prevent usage of USB drives on the desktops.
I should clarify that these are Windows XP desktops.
We should also assume that like most of the new desktops, many are using USB for keyboards...
Started by Mike Wills on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at serverfault):
Also mirrors files from USB sticks if soYou should be able to disable....
Drivelock.
USB Port Blocker to have to leave a port or two uncovered.
Are concerned about using a software solution you could buy some hardware locks .
|
