The new update might have altered RAM timings. Try booting with a single stick of RAM in the primary slot to allow the BIOS to auto-configure. Conclusion
Reconfigure your custom settings (boot priority, SATA modes, etc.) that you recorded during the preparation phase. phoenix bios sct v22 upd
Some SCT v2.2 updates reset the supervisor password (though this is a side effect, not a feature). The new update might have altered RAM timings