TEAC Japan released today a new util for CD-W540E. UPMaxSpeed.exe is a utility that can modify the Maximum read speed for the TEAC CD-W540E. The Maximum read speed of TEAC CD-W540E is 48X. For more slient and safe operation, you can fix the maximum read speed at 40X using this utility. In case you need 48x maximum speed again, you can change the setting as well.
Click at the "Source" link to visit the download page ;-)