Maximum and Installed Memory:
Memory limits are determined by operating system, hardware, and configuration. The operating system and x86 processor architecture use 32 bit addressing. This means the maximum supported memory is likely limited to 4 GB. Please consult system documentation and Memory Limits for Windows Releases for more information.
Total installed Memory is 4.0 GB
Bank 1 2.0 GB
Bank 2 2.0 GB

Upgrade Options
This system has sufficient memory for most applications and may not support additional capacity due to system limitations.