Hi there,
Can someone please tell me what this is? It has an apple part code of 820-8249-A. Dated 1996.
It just looks like a card with a big heatsink on top of it. I have only seen a picture, so I can't pull the heatsink off.
The Mach V cards (250-350MHz) are labeled, so that eliminates them. A large heatsink eliminates the 601 cards. I have a 120MHz 604 and a 180MHz 604 handy and the only obvious difference is there are two silver surface-mount electrolytic capacitors half-visible just above the heatsink on the 180MHz card. The 132MHz card has only one. So if you see 2 capacitors it's likely a 180MHz, or maybe a 200 or 233MHz card.
I'm not sure if any of the 603 processors were ever on a daughtercard.
-RPM
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