How Much GB ram Supported in my PC that has intel core2Duo(2.2GHz), D945GCNL

1.8V (only) DDR2 SDRAM DIMMs with gold-plated contacts
Unbuffered, single-sided, or double-sided DIMMs with the following restriction: double-sided DIMMs with x16 organization are not supported
2 GB maximum total system memory
Minimum total system memory: 128 MB
Non-ECC DIMMs
Serial Presence Detect
DDR2 667, DDR2 533 or DDR2 400 MHz SDRAM DIMMs