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I tried using a retail snow leopard dvd that I bought and I got the same kernel panic I keep getting but with a different code panic cpu 1 caller “0x558993” unable to find driver for this platform. Could this indicate a bad DVD drive or bad motherboard

It does sound like you have a deeper hardware issue. How much RAM have you installed? Have you tried running the build-in diagnostics? Restart the system and press the D key. Did you get any errors? Reference: Mac startup key combinations Update (03/05/2020) Here’s your systems specs: 13” MacBook 2.0 GHz Core 2 Duo (White/06). The highest OS-X this system supports is Lion OS-X 10.7, Snow Leopard 10.6 should be OK here. I think your logic board just has a problem. Do you have access to another one?