I2C locking with any mor than 3 bytes sent

[system]

Here is the first write:
http://docs.google.com/file/d/0B7mKIsk9qKREcEdqRGtqdzFBSUU/edit
Here is the second write:
http://docs.google.com/file/d/0B7mKIsk9qKRESU9Sc0o3TlJzRTQ/edit