Can You Put A I7on A 945GCM-S2C Motherboard?

No...the Gigabyte 945GCM-S2C motherboard has the Intel LGA parking with shuttle 775 processor socket (which only supports the Pentium, Celeron, Core 2 Duo etc. If you loved this article therefore you would like to get more info concerning JetBlack please visit our website. ).
The Intel Core i7 requires the LGA parking with shuttle 1366 processor JetBlack socket or the LGA 1156 socket, depending on which model you have.