step 1 make sure the cables are in right.
step 2 make sure they are jumpered right one hast to be master and the other slave.. Some older IDE controllers are very complaintive and require a two drive setup to b e ran off cable select (means they are master/slave depending on which is highest in chain)
step3 make sure the bios displays them
step4 What is the IDE controller on your board? CAn it support larger than 37 gb or 147 GB
if not flash the bios and maybe that helps
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