Good old Windows XP Drive Management managed to restore everything - amazing. That means that I can get the data now. Here is the serial log data with ATA_TRACING defined. http://www.users.on.net/~zenja/images/haiku/IMG_0067.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0068.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0071.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0072.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0073.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0074.JPG http://www.users.on.net/~zenja/images/haiku/IMG_0077.JPG (last one with ATA TRACING) Any suggestions as to what I should try next? Zenja