82BIOS POST Error Messages ListBIOS POST error message listPEI PhaseStatus Code DescriptionProgress Code0x10 PEI Core is started0x11 Pre-memory CPU initialization is started0x12 Pre-memory CPU initialization (CPU module specific)0x13 Pre-memory CPU initialization (CPU module specific)0x14 Pre-memory CPU initialization (CPU module specific)0x15 Pre-memory North Bridge initialization is started0x16 Pre-Memory North Bridge initialization (North Bridge module specific)0x17 Pre-Memory North Bridge initialization (North Bridge module specific)0x18 Pre-Memory North Bridge initialization (North Bridge module specific)0x19 Pre-memory South Bridge initialization is started0x1A Pre-memory South Bridge initialization (South Bridge module specific)0x1B Pre-memory South Bridge initialization (South Bridge module specific)0x1C Pre-memory South Bridge initialization (South Bridge module specific)0x1D – 0x2A OEM pre-memory initialization codes0x2B Memory initialization. Serial Presence Detect (SPD) data reading0x2C Memory initialization. Memory presence detection0x2D Memory initialization. Programming memory timing information0x2E Memory initialization. Configuring memory0x2F Memory initialization (other).0x30 Reserved for ASL (see ASL Status Codes section below)0x31 Memory Installed0x32 CPU post-memory initialization is started0x33 CPU post-memory initialization. Cache initialization0x34 CPU post-memory initialization. Application Processor(s) (AP) initialization0x35 CPU post-memory initialization. Boot Strap Processor (BSP) selection0x36 CPU post-memory initialization. System Management Mode (SMM) initialization0x37 Post-Memory North Bridge initialization is started0x38 Post-Memory North Bridge initialization (North Bridge module specific)0x39 Post-Memory North Bridge initialization (North Bridge module specific)0x3A Post-Memory North Bridge initialization (North Bridge module specific)0x3B Post-Memory South Bridge initialization is started0x3C Post-Memory South Bridge initialization (South Bridge module specific)0x3D Post-Memory South Bridge initialization (South Bridge module specific)0x3E Post-Memory South Bridge initialization (South Bridge module specific)0x3F-0x4E OEM post memory initialization codes0x4F DXE IPL is startedPEI Error Codes0x50 Memory initialization error. Invalid memory type or incompatible memory speed0x51 Memory initialization error. SPD reading has failed0x52 Memory initialization error. Invalid memory size or memory modules do notmatch.0x53 Memory initialization error. No usable memory detected0x54 Unspecified memory initialization error.0x55 Memory not installed0x56 Invalid CPU type or Speed0x57 CPU mismatch0x58 CPU self test failed or possible CPU cache error0x59 CPU micro-code is not found or micro-code update is failed