Turn on the dvd, press "Setup" on remote, choose menu Initial Settings > Options. Press "Display" on your remote. Now there should be displayed:

REGION _*:
ROM VERSION 1.308_Adv

Before I made my DV-250 codefree, there was displayed:

REGION 1
ROM VERSION 1.308_Adv
===================================
試看看上面的辦法
是從下面網頁節出來的

http://www.dvdrhelp.com/dvdhacks.ph...=Pioneer+DV-250