Recently got a Sonnet xMac Pro Server case to put my MacPro6,1 into my rack. I’m getting things fitted into the Thunderbolt expansion housing and noticed this board with a socket on it. The board has power wired from the PSU, but there’s nothing in the manual/product details (even though it’s in the illustrations) that indicate what this connector is or what its intended purpose is. Can anyone enlighten me?
Edit: I just looked up a video of a version of this module with an outer case, for desktop use. Otherwise looks the same inside. It looks like this might provide power to 2 top-rear mounted fans. https://youtu.be/zG4I8q5JbyY?t=285
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Some times you bump into these special connectors that follow no standards at all. If a manufacturer can’t squeeze an already custom board into a case why not just spit it in half and stack them on top of each other.
Considering it doesn’t have any logic and it says fanx2 I’d guess it’s a power supply adapter for 2 fans.
I initially thought that, too, but I’ve never seen a fan connector like what’s on the board. Judging from the product shots and manual illustrations, the case appears to have all of its fans, and they have more direct connections to the PSU.
Not saying you’re wrong (I have no idea lol) or arguing, just how I went from thinking fans too, to doubting it.
Sort of looks like an early attempt at a hot swap connection.
I think you’re right. I just looked up a video of a version of this module with an outer case, for desktop use. Otherwise looks the same inside. It looks like this might provider power to 2 top-rear mounted fans.
After finding a video for a VERY similar desktop version of this module, I’m inclined to think you’re right now. The case for putting these on a desktop does have 2 fans mounted to the top rear. Disassembly in the video does not show or indicate that they have any power cables that require unplugging.
-X2 could be the revision
Last time I saw something like that was in a mini PC case and it was the socket for connecting the fan power switch. Like, there was a simple three-position slide switch on the back of the case to control the case fan speed (off, slow, fast), and there was a cable snaking from the switch to an edge slot connector like this.
You may need to contact Sonnettech directly for more info.
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What if it was a working protoype?
Maybe? It’s brushed over and not directly acknowledged in any documentation for the products that show it. If it is, I’m surprised they didn’t at least label it as such on the documentation so people would know it’s not intended for consumer use.
Often the X designation in the board revision denotes prototype (pre-production) And production starts with A and then is revised to B etc
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Floppy drive
