Why choose me?

BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R

BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R
BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R
BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R
BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R

BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R

BIOS Chip:SONY VAIO VPCEB3A4E VPCEB3A4R VPCEB3B4E VPCEB3B4R VPCEB3C4E VPCEB3C4R. You will need a new bios chip for the following purposes As a backup chip in case the current bios chip is corrupt. As a bios upgrade chip for advanced features such as support for newer Windows system, newer CPU, larger hard drive, more devices and fix for known bugs..