Posted March 8, 2020 Hi Community, I want to know what the pin headers are for, they are marked in red in the images. This is a Lenovo Motherboard, IH61I. I am not able to find the specifications on this motherboard. My aim is to attach another fan to this motherboard and I was thinking one of these could be used. Thanks. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 8, 2020 I can't open your files but here's the board diagram I think: https://pcsupport.lenovo.com/us/en/solutions/PD023844 If that's it there's only one fan header. I suggest using a Molex or SATA power to fan power adapter. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 8, 2020 Author 25 minutes ago, PineyCreek said: I can't open your files but here's the board diagram I think: https://pcsupport.lenovo.com/us/en/solutions/PD023844 If that's it there's only one fan header. I suggest using a Molex or SATA power to fan power adapter. Thank you for the board diagram. From there I can see that one is a USB Connector and the second the is Serial (COM1) Connector. But the third connector is not mentioned. The images should now be visible Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 8, 2020 45 minutes ago, daanav said: But the third connector is not mentioned. It is, it's the connector #6 If you need help with your forum account, please use the Forum Support form ! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 8, 2020 Author 30 minutes ago, wkdpaul said: It is, it's the connector #6 Sorry I mean the first one. The images got jumbled when I uploaded them again. When is this connector. This is not mentioned in the board diagram from lenovo Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 9, 2020 No idea. Pretty sure it's not a fan header with that configuration though, especially since the board diagram I provided previously made sure to call out the system fan header. Since it's close to the CMOS jumper it might also be related to a front panel or a service connector. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 9, 2020 11 hours ago, daanav said: Sorry I mean the first one. The images got jumbled when I uploaded them again. When is this connector. This is not mentioned in the board diagram from lenovo Ah ok! This one looks like a front panel connector. Without the pinout it would be hard to tell what each pin does. If you need help with your forum account, please use the Forum Support form ! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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