Yesterday I got an urgent message from Dell to update Bios to version 1.0.11.807.  The update was from version A02 to A08.  I have installed this & the PC seems to be working as normal.

I'm wondering whether this update has anything to do with Spectre or Meltdown, although I know 3847 is not on the Dell affected list (& the Pentium (R) G3220 chip 3GHz which it contains is not on the Intel affected list).

Can anyone advise what the reason for this Bios update is please.  Also is anything known about whether my PC will be among those affected by Spectre/Meltdown?