Driver Intel R 82945g Express Chipset Family 128 Mb Memory

Hello friends, My PC specs are 3ghz intel dual core e5700 processor 4GB RAM Intel G41 Express chipset(128MB) 250w psu So my question is-I have an intel g41 express chipset whose video memory was 32 MB and i overclocked it to 128MB by entering in the BIOS In startup Now 128 MB is the final option.So can i overclock it to 256MB.if yes,How Well I'm getting a nvidia gt630 and 450W PSU soon but Till then i want to enjoy playing games like COD MW3 at acceptable FPS(even with 128MB i play it at acceptable 15-25 FPS) So please suggest me a way to overclock its Video Memory Thanks.

Mar 15, 2018 - It is accompanied by 1 GB of GDDR5 memory (128-bit bus). Intel Corporation. Driver type: DISPLAY. Intel(R) 82945G Express Chipset Family. Intel(R) Xeon(R) Processor E5 Product Family/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 0 - 3CB0 PCI VEN_8086&DEV_3722 Intel(R) 5 Series/3400 Series Chipset Family 4 Port SATA AHCI Controller - 3B29.

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