Hi there, I'm looking to power a motherboard and pentium CPU with 4gb of ram that runs off a USB operating system. Extremely low power consumption should make it easy to power and I was wondering if I could use an old 240w PSU from an HP RP5800. It can be found here https://www.amazon.ca/HP-613763-001-Power-supply-unit/dp/B008FQOFXY for reference, but i own 7 of these in working condition but they don't use a 24 pin, they use a 6 pin to power its native motherboard. Is there any form of adapter I could use to make this functional on a newer board? I rather use this if possible than spend $100+ on a new power supply when its double the cost of the rest of the build.