Dell’s official documentation for the GA0402 originally listed support for up to Intel Core 2 Duo E8600 (3.33 GHz, 1333 MHz FSB) and Core 2 Quad Q9650 (3.0 GHz). However, after BIOS update A11 or A12 (from Dell in 2009–2010), the board can accept later 45nm LGA 775 chips.
Current Update Status: No official BIOS updates since 2010. Third-party modders have created “unlocked” BIOS versions that enable: dell e93839 ga0402 motherboard specs upd
Warning: Flashing a modded BIOS requires a hardware programmer (CH341A) for recovery. The Dell BIOS has signature checks. Warning: Flashing a modded BIOS requires a hardware
The motherboard supports Dual-Channel DDR3 memory architecture. ECC Support: Non-ECC Unbuffered memory only.