First Published: 3/9/2010       Last Modified: 3/9/2010      Last Modified by: LL    Article ID:67

Symptoms: Slower write speed around 10MB/s.

Summary: This problem is caused by the new FireWire driver provided by Windows 7.

Products Affected:   CalDigit VR & mini, FireWire VR

Microsoft has realized this issue and has post the hotfix and information on their support site: Low performance when you transfer a large file between an external IEEE 1394 device and a computer that is running Windows 7 or Windows Server 2008 R2. If you can not see above page, please go to Microsoft website and look for Article ID: 975500. There is a chance that you will not be able to install this hotfix due to the amount of the RAM you have, please wait for newer hotfix. If above hotfix cannot fix the slow performance issue, please wait for the next hotfix release mentioned in Microsoft support site above.

Keywords : windows 7, slow performance