As mentioned, the 945G chipset has an architectural limit. If the PC won't boot with two 2GB sticks, try one stick at a time or set memory timing to "Auto" in BIOS.

While originally designed for Windows XP and Vista, it can run lightweight Linux distributions or Windows 7/10 for basic tasks, though performance will be limited by the CPU and RAM. Common Usage:

The short answer is: It depends on your use case.

The 945LM4-B was never designed to win beauty contests; it was designed for function and low manufacturing costs.

The is a micro-ATX (mATX) motherboard designed for the budget and entry-level markets. Built on the Intel 945 chipset family, it is a legacy component primarily used for reviving older systems or maintaining specialized industrial/budget builds. Key Specifications & Features