ASUS M3N72-D thinks its USB 2.0 ports are version 1.0


Processor: AMD Phenom II X3 710
Revision: C2 Stepping
Speed: 2.6 Ghz
Socket AM2
Supported Voltage 1.5 v
External Clock 200 MHz
Max Speed 3700 MHz
Current Speed 2600 MHz

Motherboard Manufacturer: ASUSTeK Computer INC.
Product Name: M3N72-D
Version: 1.XX

Vendor: Phoenix Technologies, LTD
BIOS Version: ASUS M3N72-D ACPI BIOS Revision 0603
BIOS Release Date: 12/09/2008
BIOS ROM Size: 1024 KBytes

RAM: 4 GB (XP reports only 3.5 GB but I read that this misreporting is expected for 32 bit machines)
Socket Designation DIMM_A1
Current Speed 800 MHz
Memory Type DDR2

Front Media Panel: Silverstone FP-34

Vantec SATA/IDE to USB 2.0 Adapter 2.5"/3.5"/5.25"

Windows XP with Service Pack 3

The hardware-components listed above were purchased individually and assembled by me with the help and direct supervision of a friend in IT. At the time of this writing, the assembled machine is 2 months old.


ASUS M3N72-D thinks its USB 2.0 ports are version 1.0

All of the USB connectors (USB78, USB910, and USB1112) on the motherboard are USB 2.0. The Vantec "SATA/IDE to USB 2.0 adapter" is USB 2.0 and is designed to power and connect an internal hard drive located on the outside of the machine to an external USB port on the computer. When I connect a SATA hard drive to any port on the computer (including the Silverstone FP-34) using the Vantec USB 2.0 adapter, Windows XP gives me message-balloons saying that the device is unknown, or that the device is unrecognized, or XP simply rejects the device altogether and ignores it, or that the device is recognized but it would transfer data faster if it were connected to a USB 2.0 port.

But it *IS* connected via USB version 2.0.

When the Vantec "SATA/IDE to USB 2.0 adapter" is connected to an XP laptop and a Win2K desktop, there are no problems whatsoever. (Except that the XP laptop reads the external hard drive as an *internally installed* hard drive...which doesn't make sense to me because it should be recognized as a very large removable storage drive, but it functions without a problem). When other USB stick-drives (2 GB and 4 GB) are connected to the M3N72-D computer, they all function properly and are recognized as USB 2.0.
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  1. I believe that I posted this request for help into the wrong forum.
    Please disregard this post and look for this message in Tom's Hardware: Homebuilt Systems Forum.

    Thank you.
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