Searching: Bios for GT620 with 512MB

Graphics / Linux Linux
1

Hello,
i’m searching for a Bios for a GT620 with only 512MB of Ram. Can a Bios with 1024MB be modified??

2

No Bios for GT620 with 512MB Ram?
Is there a chance to modify Bios from 1GB or 2GB Version for 512MB?