Circo RM-2270 rework for SiFive Unmatched + Honeycomb LX2K
thingiverse
I bought a Circotech RM-2270 with the intent of rack mounting my newly bought SiFive Unmatched and a Solid-Run Honeycomb LX2K. Unfortunately, the RM-2270 isn't quite compliant with the ITX form factor. The I/O shield is smaller, there's limited space around the drive mounts and it seemed like the boards were mounted too low in the case by default. So, I looked around for an alternative case, but nothing looked promising. Instead, I ended up modifying it with printed I/O shields, and a carrier for a RPi + USB relays for power/reset control. I removed the drive mounts to give more space in the case. I also used an internal USB hub + 4-port PCIe bracket to get a few of the USB ports external so I can use them for the USB console on the boards, connected to the RPi. USB relays are NOYITO 2-channel: https://www.amazon.com/gp/product/B081RM7PMY Ethernet extension cable: https://www.amazon.com/gp/product/B01J7KVPCK PCI slot cover is a remix based on https://www.thingiverse.com/thing:3069876
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