Re: USB 2 Problems


"Gary" <Gary@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:AF9CDC41-FCAF-4567-BDA4-68844E21987B@xxxxxxxxxxxxxxxx
Recently I was having some problems with Windows XP and my son
reinstalled
it for me. He did not install Service Pack 1 as he did not realize my
version did not include it but he did install all the critical updates
from the
Windows update site and Service Pack 2. After the reinstallation I
discovered that my USB 2 ports (Asus A8V Deluxe motherboard) were not
operating at USB 2 speed. The message I got was "There are no HI-SPEED
USB host controllers installed on this computer" I checked the bios and
the
USB 2 controller is enabled.

I was considering downloading and installing Windows Service Pack 1 as
it
is supposed to contain the drivers but I am concerned that I could
'screw up'
if I install it after it already has Service Pack 2 installed. I would
appreciate any suggestions on how to get the USB 2 ports working at the
proper speed.


"Anna" wrote:
Gary:
The first thing to do is to check your motherboard's BIOS to determine
that
the USB settings are correct. Ensure that the USB 2.0 controller has been
enabled. That is the default but it's always possible something or
someone
has changed it.

Some ASUS boards also have a BIOS item referring to a USB 2.0 mode. If
yours
does, check that it's set to the Hi Speed option for full USB 2.0
capability.

Then there's the possibility that ASUS has provided (on its motherboard's
installation CD) a USB 2.0 driver that needs to be installed. In theory
the
XP OS containing SP2 contains the necessary controller drivers for USB
2.0
capability, but with certain ASUS motherboards (and again, I'm not sure
the
A8V Deluxe was one of them) it *was* necessary to install the ASUS USB
driver to obtain this capability. So check your User Guide and the
motherboard's installation CD to see if there's any reference to the
preceding.
Anna


"Gary" <Gary@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:5A144314-6CAF-41BC-8F2A-F45ED0DED248@xxxxxxxxxxxxxxxx
Anna;

The USB 2 Controller is set to Enable and to the Controller Mode is set to
Full Speed. There is also a Legacy USB Support that is set to Auto.

The motherboard installation disk refers you to Windows XP Service Pack 1
for the USB drivers.

Gary


Gary:
Did you notice that in my previous response I suggested that if there's a
BIOS item referring to USB 2.0 mode it should be set to "Hi Speed"? Assuming
that BIOS setting has that option in addition to the "Full Speed" setting
you mention, did you try changing the setting to Hi Speed as I suggested?

And I take it from your last comment that the motherboard's reference to SP1
re the USB 2.0 drivers is indicating, in effect, that USB 2.0 capability
will be achieved as long as the XP OS contains (at least) SP2. Is that your
understanding?
Anna


.

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