Member Avatar for owenbear

Hi,

I have a question about the USB Host Controller.

When I plug a USB device into my P.C. a box comes up saying 'This device can work faster if connected to a High Speed USB 2 port' or something similar and sometimes mentions some thing about USB 1.1 Ports.

Yet my P.C. has 6 USB 2 ports.

Is it normal for my P.C. to tell me this when I plug a USB Device in?

When I look in Device Manager listed is:-

INTEL 82801DB/DBM USB Enhanced Host Controller - 24CD
- 24C2
- 24C4
- 24C7

Then a list that says USB Root Hub etc.

My P.C. Spec:-

MotherBoard: ASUSTEK P4B 533VM
CPU: INTEL P4 1.7GHZ
RAM: 640MB
GFX: NVIDIA 7600GS 256MB
USB: INTEL 82801DB/DBM U.S.B. Enhanced Host Controller - 24CD

Q2.

I have Internet access via a BroadBand Dongle (plugged into a USB port) which 'Drops Out' frequently and I have to wait for the Dongle to be re-recognised as a USB Device before I can re-connect. Is this related to the question/problem I mentioned above?


Thank you for any help you can give,

OwenBear

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  • Latest Post Latest Post by WASDted

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Thread summary: reported a Windows warning about a USB device running at a lower-than-expected speed and an intermittent USB broadband dongle. recommended updating system/drivers; suggested the usual suspects — power, bus saturation, or front-panel/hub wiring. The checklist below focuses on practical, non‑invasive steps to isolate whether the problem is the device, the port, or the system.

  • Quick isolation: try the dongle on a second computer and try a different, known-good USB 2.0 device on this PC. If the device behaves the same on another PC it points at the dongle; if a different device works fine here it points at the original dongle or cable.
  • Try different physical ports: use the rear motherboard ports (directly on the I/O plate) as a baseline. Front-panel connectors, case hubs or internal cables can be wired or powered differently and cause slow speeds or disconnects.
  • Swap cable and USB port type: a bad cable can force a lower speed or intermittent connection. Also try a powered external hub or a low-cost PCI/PCIe USB 2.0 card to rule out a failing port or weak 5V supply.
  • Update firmware/drivers at the vendor: get the latest chipset/USB host-controller driver and BIOS from the motherboard or chipset maker (not only the original CD). Also update the dongle’s driver/connection-manager software from its vendor.
  • Power settings: in Device Manager open each USB Root Hub -> Power Management and uncheck “Allow the computer to turn off this device to save power.” Also disable USB selective suspend in your power plan.
  • Gather diagnostics: use tools such as Microsoft USBView or USBDeview to see the device’s reported speed and which host controller answered it. Check Windows Event Viewer for device removal or driver errors and note timestamps.

If these steps do not help, post the exact Host Controller entries and any Device Manager error codes or Event Viewer entries. As a low-cost workaround, a powered USB hub or an add-in USB 2.0 card often eliminates dropouts caused by weak ports or aging onboard controllers.

Recommended Answers

All 7 Replies

Member Avatar for Rik_

You either have USB 1 ports or you don't have the correct driver installed. You are using XP??? If so, what service pack?

Member Avatar for owenbear

Oh sorry - forgot to include that info!

I'm using Windows XP Servive Pack 2.

Thanks,

OwenBear

Member Avatar for Rik_

Update it to service pack 3 and see if that makes a difference!

Member Avatar for WASDted

sometimes when the USB bus is saturated that message can appear as well. it can also appear if there is not enough power going to the USB device you plug in. did you plug the device into a USB port directly on the motherboard (backplate) or it is plugged in through an extension cord or USB hub?

Member Avatar for owenbear

Yes - it is plugged directly into the USB port ie. not using an extension cable or a hub.
I've updated the driver but I'm still getting the problem.

Member Avatar for Rik_

Might be worth going to the asus website and updating the motherboard drivers! Did you get your current usb driver from the cd that was supplied with the motherboard?

Member Avatar for WASDted

Agreed, try updating your motherboard chipset drivers to start.

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