0x31 Memory Installed
0x32 CPU post-memory initialization is started
0x33 CPU post-memory initialization. Cache initialization
0x34 CPU post-memory initialization. Application Processor(s) (AP) initialization
0x35 CPU post-memory initialization. Boot Strap Processor (BSP) selection
0x36 CPU post-memory initialization. System Management Mode (SMM)
0x37 Post-Memory North Bridge initialization is started
0x38 Post-Memory North Bridge initialization (North Bridge module specifi c)
0x39 Post-Memory North Bridge initialization (North Bridge module specifi c)
0x3A Post-Memory North Bridge initialization (North Bridge module specifi c)
0x3B Post-Memory South Bridge initialization is started
0x3C Post-Memory South Bridge initialization (South Bridge module specifi c)
0x3D Post-Memory South Bridge initialization (South Bridge module specifi c)
0x3E Post-Memory South Bridge initialization (South Bridge module specifi c
queste le possibili cause
edit Il 30 è generico come codice e riconduce alla lista che ti ho elencato