BIOS image for the Dell OptiPlex 760 desktop, packed in a 2.36 MB RAR archive, with E93839 in the name, which looks like a Dell system board identifier for this model.

BIOS image for the Dell OptiPlex 760 desktop, referencing the Intel AF82801JD south bridge, an ICH10 family part, and a 4 MB flash chip, stored in a 2.15 MB RAR.