Stick with what is listed for the rev of the board you own.  1.0 F6 - if you must have the latest BIOS.  Honestly F3 should be fine unless you are having a specific problem addressed by a later version (need) updated CPU microcode or memory compatibility.  How many times have you clicked a link and been taken to the wrong page?  Same applies here. 
Rev 1.0 board LAN 1.Killer E2201 LAN chip (10/100/1000 Mbit)
Rev 1.1 board LAN 1.Killer E2400 chip (10/100/1000 Mbit) Listed for F7 BIOS > Different LAN chip, different BIOS.  I wouldn't do it.  Wrong rev, wrong hardware.  
If your system is running fine, stay where you are.