Question about Edirol HI-SPEED USB (USB 2.0) Audio Capture Sound Card

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UA101 and Blue Screen of Death

Hi, in the last few days if I try to use my UA101 my Toshiba A200-1BW makes a few crackling sounds and then crashes with a blue screen of death claiming DMA problems. I have tryed to deal with anythin that I might have installed in the last few days but nothing seems to make a difference.

This is a really annoying problem and I would be grateful if anyone knows anything.


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Re: UA101 and Blue Screen of Death

Try this to make sure that the driver was installed correctly.:

Note: Do not use the “Add New Hardware” Wizard in the control panel. Follow the steps below to install your driver correctly.

1. Plug in the USB cable and power on the device – the New Hardware Wizard will start up (wait for it to start).

2. If Windows asks to connect to Windows Update, click on “No, not this time” and click on “Next.”

3. Select “Install from a list or specified location” and click “Next.”

4. Select “Include this location in the search” and Browse to the folder containing your driver (either on your CD or the folder you downloaded). Click “Next.”

5. Click “Continue Anyway” when the Windows Logo testing screen appears.

6. Click “Finish” when the Completing the Found New Hardware Wizard screen appears.

At this point, you may need to reboot your computer. After restarting, you should check to make sure the driver was successfully installed. Go to Control Panel / Sounds and Audio Devices and make sure your device is listed under “Sound Playback” and “Sound Recording” for audio devices and “”MIDI Music Playback” for MIDI devices. You should also check in the Device Manager to make sure your MIDI or Audio device is listed under “Sound, video and game controllers” with no problems (such as the yellow exclamation point).

If everything is successful to this point, Windows has installed the device correctly and is making it available to any software you need to run. If you can not see your device in your software, you should first try re-profiling the device (different software programs do this differently). If this does not work, you may need to uninstall and reinstall the software. If you still do not see your device, you may need to contact your software vendor for more help.

- Mac OS X -
1. Make sure the Roland/Edirol device and any non-essential USB devices are disconnected.

2. Run the *.pkg installer from the CD-ROM or downloaded driver and follow the onscreen installation instructions. When finished, reboot fully.

3. Plug in the Roland/Edirol device. Ports should now be available in software (you can verify driver availability in Applications > Utilities > Audio/MIDI Setup > MIDI Devices).

- Mac OS 9.X -
Users must first decide if they want to run OMS or FreeMIDI, which can be downloaded from the World Wide Web. OMS is recommended. See the OMS or FreeMIDI documentation for installation and activation details.

Double-click the Edirol installer and follow the onscreen installation instructions.

Note: If you continue to have problems, you may wish to consider upgrading to OS X, as its Core Audio and Core MIDI features make this operating system an excellent base for music applications.


Product: UA-25 UA-101 FA-66 FA-101 UA-4FX UA-1EX

Pop/click/dropout is often a buffer size problem. Be sure to check your Buffer Size setting. You'll find it in the Edirol Icon in System Preferences or in the Control Panel of a Windows machine. Increase your buffer size until the problem goes away.

There are also several settings you will want to make in order for audio applications on a Windows XP computer run optimally.

One of the more detailed websites to walk through these settings is

Posted on Dec 25, 2007

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