I think my power supply block is duff.

The empeg FAQ says that IBM Thinkpad power supplies are ok to use but before I use it, I want to confirm that it's not going to break anything. According to the label on the block, it outputs:

16v
4.5A

Is that going to do the trick?
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Mk2a RioCar 120Gb - now sold to the owner of my old car
Rio Karma - now on ebay...