Broken Yoga Becomes Firewall
It seems the older I get, the density of broken and/or old laptops on my garage grows. That’s one of the reasons it’s interesting to know which projects are being made to bring back to life these things. [zigzagjoe] sent us an interesting project he made out of a Lenovo Yoga 2 motherboard: a pfsense router/firewall.
The laptop was damaged, but the main board was functioning just fine. What started as adding an old Pentium heatsink to it and see how good it would work, escalated to a fully working, WiFi, 4 port gigabyte NIC, 3D printed case firewall. The board had PCI-E via an M.2 A/E key slot for the WiFi module but [zigzagjoe] need a normal PCI-E slot to connect the quad-port NIC. He decided to hand solder the M.2 A/E (WiFi card) to have a PCI-E 1x breakout since his searches for an adapter came out empty or too expensive. For storage, he chose 16GB SanDisk U100 Server half-slim SSD for its power efficiency. Once again, the SSD cable had to be hacked as the laptop originally used a super-slim HDD with a non-standard connector. The enclosure was then designed and 3D printed.
But [zigzagjoe] went further to optimize his brand new router/firewall. On the project documentation, we can see a lot of different modifications went into building it, such as bios modification for new WiFi modules to work, an Attiny85 fan driver for extra cooling, a 45W PSU inside the case and other interesting hacks.
This is not your typical laptop to firewall hack, that’s for sure.
Filed under: hardware
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