HellCoder wrote:
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Perhaps there is a difference between the 5V for the HD and the 5V for the motherboard?
No diff @ all.
Notice the original PSU's +5V wire can't supply more than 5 A to the Miggy.
In order to fix those issues, prefer to put the Miggy into a tower and feed the "kitty" using more than one way.
Example: feed it through original power connector AND the mobo floppy connector (may you have to create a "split" in order to connect both the mobo and the floppy). Use one of the AT(X) PSU connectors to supply the fans on the PPC board, too.