Specifications
QSSC-S4R Technical Product Specification Contents
ix
21.2.4 Logging Format Conventions ....................................................................................................................................... 241
21.3 POST Progress Codes and Errors ..................................................................................................................... 242
21.3.1 Diagnostic LEDs ........................................................................................................................................................... 242
21.3.2 POST Code Checkpoints ............................................................................................................................................. 242
21.3.3 POST Error Manager Messages and Handling ............................................................................................................ 244
21.3.4 POST Error Beep Codes .............................................................................................................................................. 246
21.3.5 POST Error Pause Option ............................................................................................................................................ 247
22. Baseboard Management Controller (BMC) ........................................................................ 248
22.1 Feature Support .................................................................................................................................................. 248
22.1.1 IPMI 2.0 Features ......................................................................................................................................................... 248
22.1.2 Non IPMI Features ....................................................................................................................................................... 248
22.1.3 Basic and Advanced Features ..................................................................................................................................... 249
22.2 BMC Hardware: ServerEngines* Pilot II ............................................................................................................. 249
22.2.1 ServerEngines* Pilot II Baseboard Management Controller Functionality .................................................................... 249
23. BMC Functional Specifications ........................................................................................... 251
23.1 Power System .................................................................................................................................................... 251
23.1.1 Power Supply Interface Signals ................................................................................................................................... 251
23.1.2 Power-Good Dropout ................................................................................................................................................... 251
23.1.3 Power up Sequence ..................................................................................................................................................... 252
23.1.4 Power Down Sequence ................................................................................................................................................ 252
23.1.5 Power Control Sources ................................................................................................................................................ 252
23.1.6 Power State Retention ................................................................................................................................................. 253
23.1.7 Power State Restoration .............................................................................................................................................. 253
23.1.8 Wake-On-LAN (WOL) .................................................................................................................................................. 253
23.2 Advanced Configuration and Power Interface (ACPI) ........................................................................................ 253
23.2.1 ACPI Power Control ..................................................................................................................................................... 254
23.2.2 ACPI State Synchronization ......................................................................................................................................... 254
23.3 System Reset Control ........................................................................................................................................ 254
23.3.1 Reset Signal Output ..................................................................................................................................................... 254
23.3.2 Reset Control Sources ................................................................................................................................................. 254
23.3.3 Front Panel System Reset ........................................................................................................................................... 255
23.3.4 Soft Reset and Hard Reset .......................................................................................................................................... 255
23.3.5 BMC Command to Cause System Reset ..................................................................................................................... 255
23.3.6 Watchdog Timer Expiration .......................................................................................................................................... 255
23.4 BMC Reset Control ............................................................................................................................................. 255
23.4.1 BMC Exits Firmware Update Mode .............................................................................................................................. 255
23.4.2 Standby Power Comes Up ........................................................................................................................................... 255
23.5 System Initialization ............................................................................................................................................ 255
23.5.1 Processor TControl Setting .......................................................................................................................................... 255
23.5.2 Fault Resilient Booting (FRB) ....................................................................................................................................... 255
24. Processor Presence and Population Check ....................................................................... 257
24.1.1 BSP Identification ......................................................................................................................................................... 257
24.1.2 Boot Control Support .................................................................................................................................................... 257
24.1.3 Post Code Display ........................................................................................................................................................ 257
24.2 Integrated Front Panel User Interface ................................................................................................................ 257
24.2.1 Power LED ................................................................................................................................................................... 257
24.2.2 System Status LED ...................................................................................................................................................... 257
24.2.3 Chassis ID LED ............................................................................................................................................................ 259
24.2.4 Front Panel / Chassis Inputs ........................................................................................................................................ 259
24.2.5 Secure Mode and Front Panel Lock-out Operation ...................................................................................................... 260
24.3 Private Management I
2
C Buses ........................................................................................................................ 260
24.4 Watchdog Timer ................................................................................................................................................. 260
24.5 BMC Internal Timestamp Clock .......................................................................................................................... 261
24.5.1 BMC Clock Initialization ................................................................................................................................................ 261