I'll put duct tape (temporarily) over the cooling holes on the sides and the connectors on the backplane.

Hmm, make sure it is indeed temporarily. I remember an airliner that had its static air ports (needed for instruments that measure airspeed, altidute and vertical speed) temporarily taped over during maintenance....

Dragi "Bonzi" Raos
Zagreb, Croatia
Q#5196, MkII#80000376, 18GB green
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Dragi "Bonzi" Raos Q#5196 MkII #080000376, 18GB green MkIIa #040103247, 60GB blue