I'm currently trying to figure out if I can feasibly run games like Oblivion on my Dimension E310 (no, I can't afford a real gaming system) by upgrading the video card. Current problems include only having a PCI and PCI x1 slot open and a power constraint. My specs sit at: 1. Motherboard - Intel Pentium 4 640 2. Graphic interface - Integrated Intel(R) 82915G/GV/910GL Express Chipset 3. Memory - 1024 MB DDR2 4. CPU - 3.2 GHz 5. Internal Power Supply - 230W (yes, the problem) The interesting thing here is that I have a spare ATX Switching Power Supply rated at 400W, (+12V at 12A listed), but I can't simply replace my current supply with it because it doesn't have some of the necessary connections for the motherboard. Question is, can I use the extra power supply I have to power either a new graphics card or enough of the auxiliary components like drives to run a 2nd tier card like a GeForce 7600? Obviously I could replace the factory supply, but I'm trying to see if this would work first.