no, I have KAWAI serial driver, but I don't know how to install him. can you help me? I know how on 98 1. Open the Control Panel 2. Choose the "Add New Hardware". Click "Next" to continue until you are asked to search the hardware. Then select "NO" and click "Next". 3. Choose "Sound, Video & Game Controllers" and click "Next". 4. Click "Have Disk". 5. Type the drive letter of the floppy disk or hard drive that has the driver in it, or browse to the folder with the driver in it. Then click "OK". But on XP? I have download it from http://www.kawai.co.jp/english/Download2.html#h nikola