About the System 55
SB Error

Message: “Critical Interrupt Sensor, Correctable, MCU Parity Error”

Table 1-5. SB Error
Byte Field Value Description
1 NetFunLun 10h
2 Platform Event Command 02h
3 Generator ID 01h Generated by BIOS
4 Event Message Format
Versi on
04h Event Message Format Revision.
04h for this specification
5 Sensor Type 13h Critical Interrupt
6 Sensor Number 77h SB Sensor ID (depend on
platform)
7 Event Direction Event Type 6Fh Bit 7: 0 = Assert Event
Bit 6: 0 = Event Type Code
8 Event Data1 AXh 07h: Correctable
08h: Uncorrectable
9 Event Data2 XXh Bit 7:5Reserved Local error bit
number (4 ~ 0)
00000b: HT Periodic CRC Error
00001b: HT Protocol Error
00010b: HT Flow-Control Buffer
Overflow
00011b: HT Response Error
00100b: HT Per-Packet CRC Error
00101b: HT Retry Counter Error
00111b: MCU Parity Error
10 Event Data3 FFh FFh: Not Present