Hello, I have a Dell Optiplex 775 with the A04 BIOS (SLIC 2.0). Can I upgrade the BIOS with the A15 BIOS (SLIC 2.1)? The file is: O755-A15-SLIC21.exe (rebuilt Dell flasher) mod and tested by Dexterman. It can be found in this topic: Dell - Phoenix Manual Mod Thread. Sorry, but I can't post links.