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Discussion in 'PowerPC Macs' started by Alphabetize, Feb 9, 2014.
I'm trying to figure out what this slot is on the iMac G3, it's held in by screws. What went there?
I believe that is the cover for the Mezzanine slot. It was dropped in later G3s.
The original 266 has not it http://www.vectronicsappleworld.com/profiles/227.html
VGA module? Firewire module? Never had a iMac
There were two revisions of the 266. One had it, one didn't.
So I was right? It was the Mezzanine cover for the slot. The physical Mezzanine port is on the Logic Board.
Correct - that is a cover that was used for Mezzanine slot cards. There were no "official" cards for this slot - Apple never published the pinout, and never sanctioned any Apple-made or third-party cards.
However, there *ARE* cards that use it. My iMac G3 has a SCSI card, which uses the VHDCI SCSI connector. There was a Voodoo 2 video card, that necessitated the use of an external monitor for 3D-accelerated video, it's video port was there. Sonnet also made a CPU upgrade that put a FireWire port there.
Yeah, that was the Sonnet HARMONi upgrade. I think it was really pricey, IIRC!