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- USB Hub Controller?
January 10, 2006, 8:35 pm
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I am unsure of what to make of the error message that I am getting when
I plug my iPod into my home-built Shuttle.
The message says something along the lines of "This device can perform
faster if you plug it into a USB 2 port".
I actually thought my machine had USB 2. The error is also talking about
a USB controller - I am not familiar with this.
Please can you help out - do I need new drivers or another piece of
The spec of my machine is as follows:
CPU: Intel 2.4 Ghz
Graphics Card: NVIDIA GeForce FX 5200
RAM: 1GB (2x512)
Hope somebody can help!
Re: USB Hub Controller?
Windows will detect USB2 ports and automatically configure them with the
It is common that a combination of USB1 and USB2 are installed on MoBos. You
need to check your MoBo docs and confirm which USB ports are configured to which
If you have insufficient USB2 sockets on the computer, you will have to connect
a USB2 expansion hub to one of the USB2 ports. A powered hub is preferred,
because each USB port can only supply a limited amount of power.
January 11, 2006, 12:44 pm
Re: USB Hub Controller?
While there can actually be problems on some boards, I had a similar
problem when I plugged in my first USB 2 disk drive. There was a BIOS
setting designed for compatibility, which limited the ports to USB 1.1,
even though the ports were physically capable of USB 2.0. You need to
find any such setting and turn on the USB 2.0 High Speed feature. I'm
sure you've done this by now, right? The FB61 motherboard has USB 2
and three independent USB busses (if I read the manual properly),
where the adjacent connectors are on the same bus (e.g. 0/1, 2/3, 4/5):
USB 2.0 Controller
Select Enabled if your system contains
a Universal Serial Bus (USB) 2.0 controller
and you have USB peripherals.
This is one case where a message is quite a friendly one and
it's trying to save you some suffering. If only my digital
camera had USB 2.0. To get around that, I now pull out the
Compact Flash card and put it into a USB 2.0 reader.
Also, plugging any USB 1.x devices into a USB 2.0 bus will apparently
slow down all of the devices on that bus (the bus can be more than one
port). It's pretty easy to test this theory as copying large files (or
updating lots of songs) will be far slower.
Other nice performance enhancers include turning on DMA for IDE drives,
assuming it's not on (mainly a problem with older systems) and buying a
new disk drive (no excuse as the new ones are large, fast, inexpensive),
assuming that your machine can take advantage of it.
--the Yard Sale guy:
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