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Flakey recognition of USB 2.0 ports

By Danno3 ·
I have a IDE to USB adapter to allow me to easily connect ordinary HDs via the USB port without needing additional enclosures. Every time I connect it to my target machine on any of the available 4 USB 2.0 ports, I get the dreaded "This device could run faster if connected to a USB 2.0 enabled port". When I click on the bubble, it shows that it IS connected to a USB Enhanced controller. Not sure how to get XP to properly recognize this device as USB 2.0. I have confirmed this by doing a 50mb file copy from a HD using the device to an internal HD and it crawls like a USB 1.1 connection would.

Hardware: AMD XP 1800+, 512mb ram, ECS K7S5A Pro 5.0 motherboard (latest BIOS) with 4 USB 2.0 rear ports, SIS AGP card, etc.
Software: Recent bare install of XP Pro SP2 with latest updates, latest chipset drivers, etc. (this is a test machine and I was about to make an image of it)

Here's what I've tried in troublshooting this problem:

- Connected this adapter to another XP machine and it's properly recognized as USB 2.0, so there's nothing wrong with the adapter
- Connected other USB 2.0 devices (a USB thumb drive) to this machine and it's properly recognized in any port, so there's nothing wrong with the USB ports in the target machine
- Checked BIOS settings. PNP O/S is set to Y and USB to Enabled.

Tough to figure this one...

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by Danno3 In reply to Flakey recognition of USB ...

Point value changed by question poster.

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by Blackcurrant In reply to Flakey recognition of USB ...

Hi

I'm wondering if you have any other USB devices connected (apart from mouse/keyboard) which might be interfering with it. Also, have you made sure that when you do connect it, there is nothing else connected to the same USB Hub (as shown in Device Manager).

Good luck

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by Danno3 In reply to

Poster rated this answer.

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by saihib In reply to Flakey recognition of USB ...
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by Danno3 In reply to

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by Danno3 In reply to Flakey recognition of USB ...

To answer 1: Sorry, should have mentioned that there are NO other USB devices connected and the mouse/keyboard are standard PS/2. This is a virgin install of XP Pro with SP2 and latest updates.

Answer 2: As I originally stated, this is XP Pro with SP2 and latest updates (which includes this fix). Please reread my post - another USB 2 device already works on this machine.

Answer 1 gave me an idea to try the opposite of normal troubleshooting (remove other USB devices). With another USB 2 device that's recognized properly (the thumb drive), I plugged in the IDE to USB adapter - same problem. The other way around - IDE adapter 1st, not recognized as USB 2, thumb drive was properly recognized.

Still no solution yet...

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by TheChas In reply to Flakey recognition of USB ...

I suspect a firmware issue in your IDE to USB adapter.

They may have an error in the code that handles backwards compatibility for USB 1.1 ports.

Check with the device manufacture for a firmware update or recall.

Chas

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by Danno3 In reply to

Please reread my posts. I mentioned that USB 2.0 capability isn't being properly detected, only for this device, not other USB 2 devices (e.g. a thumb drive). It still gets detected, but only with crawling USB 1.1 speed.

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by Danno3 In reply to Flakey recognition of USB ...

Answer 3: In my original post, I mentioned that when I plugged in this IDE to USB adapter to another machine, USB 2 capability is properly detected, but not in the target machine.

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by TheChas In reply to Flakey recognition of USB ...

I still say it is a firm-ware issue.

The fact that the adapter works on another system, and other USB 2 devices work on your system actually reinforces a firm-ware conflict.

There are 2 ways to prove if it is firm-ware or some strange system problem.

1. Try this adapter on another IDENTICAL PC. If it works there, you have a driver issue or a corrupt system file.

2. Install a USB 2 card with a different manufactures controller chip in your PC. If the adapter works on the new controller, it is a firm-ware conflict between the adapter and your USB controller. If the adapter works the same way with a different controller, it is a driver / system file issue.

One other possibility is that your USB ports do not provide enough power for the adapter to run in USB 2.0 mode. Connecting the adapter through a powered USB 2.0 hub would prove or disprove this.

As a side note, Microsoft and most PC experts advise setting the Plug and Play OS switch in the BIOS to No.

Chas

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