Den lange:
P31 (BearlakeG)
A version of P35 with an ICH7 South Bridge, supports only 4 GB of DDR2 memory and does not support DDR3 memory. Operational configuration is 4 ranks - 2× 2 GB dual rank modules or 4 × 1 GB single rank modules - depends on number of motherboard DDR2 slots. 4GBs modules are not supported.
G31 (BearlakeG)
A version of P31 with a GMA 3100 integrated graphics core.It supports a 1333 MT/s FSB with Core 2 Duo processors, but Core 2 Quad processors are only supported up to 1066 MT/s.
G41 (EaglelakeG)
Update of G31 with a GMA X4500 integrated graphics core and DDR3 800/1066 support.
Den korte :
Nej, dit chipsæt understøtter ikke 4GB blokke, ikke mere end 4GB med DDR3, og dit mobo har jo kun 2 ram slots uanset... 😲
Jeg har et P45 med DDR2, vi kan bytte ? xD