Библиотека сайта или "Мой Linux Documentation Project"
There certain questions that keep reappearing. This section tries to answer those questions.
In addition to the information required in
/usr/src/linux/REPORTING-BUGS, it also helps
enormously if you provide the output of
/proc/bus/usb/devices. If you are having problems
with your host controller being recognised, it helps to have the
lspci -v. If it is supposed to be UHCI, it
helps to know whether interrupts are being generated every second.
I have only read one, and thought it was very poor. I suggest that you get the specifications from http://www.usb.org, which are at no cost, are quite readable, and are up to date.
You may need to turn off the BIOS option for Plug-n-Play operating system support on some models of Vaio. Then USB should work fine, although you may have problems with using the modem. This is only needed on some models.
If you are sure that you actually have a suitable hardware setup, look for a BIOS option that could be applicable. It might be labelled as USB, or it might be more obscure, discussing Plug-n-Play, or having options for various types of operating systems. You may need to try various combinations.
If you have a motherboard with BIOS set to MPS 1.4, try MPS 1.1.
Some early Asus P2B-DS and P2B-D motherboards have a design flaw that means that the chipset doesn't get sufficient voltage. I suggest returning the motherboard. Alternatively, check the Asus website at http://www.asus.com.tw/supportnews/english/mainboard/p2bx/17695.html for a hardware solution.
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