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About 1 month old is the oldest post on the Tech Boards. On the old EZBoard, which is where these posts came from, it only held about 20 pages worth of posts and then they were rolled off the board. There is no archive of these lost posts.
I'm not sure on the new this board how we are handling the number of posts we keep. Hopefully there will be some type of archive for these older posts in the future.
I'll have to defer that answer to webmaster Ron DiPaola.