Dell Optiplex 390 problem CPU i7 (bios MOD SLIC?)

Hi
My problem CPU intel i7 3770T does not work on this motherboard (BIOS lock plus Microcode)

- Manufacturer: Dell
- Motherboard Model: 0M5DCD - Optiplex 390 (chipset: Intel H61)
- Bios revision: A11 (most recent)
- Bios Type: Phoenix
- Bios Download Link: http://downloads.dell.com/FOLDER0179...1/O390-A11.exe

Subject already moved www on but no solution:
http://forums.mydigitallife.info/threads...ad/page428
and http://forums.mydigitallife.info/threads...ad/page430

Does anyone know how to help?