Specifications
xii
29.1 Sensor Type Codes ............................................................................................................................................ 304
30. Hot-Swap Controller (HSC) Architecture ............................................................................ 313
30.1.1 I2C Interfaces ............................................................................................................................................................... 313
30.1.2 Serial Peripheral Interface (SPI) ................................................................................................................................... 313
30.1.3 GPIO Pins .................................................................................................................................................................... 313
31. HSC Functional Specifications ........................................................................................... 314
31.1 Platform Determination ....................................................................................................................................... 314
31.1.1 Auto Detection of Platform Type ................................................................................................................................... 314
31.2 System Initialization ............................................................................................................................................ 314
31.2.1 Non-Volatile Setting Initialization .................................................................................................................................. 314
31.2.2 Sensor Initialization ...................................................................................................................................................... 314
31.2.3 Cable Detection ............................................................................................................................................................ 314
31.3 System Event Log (SEL) .................................................................................................................................... 315
31.4 Sensor Data Repository (SDR) .......................................................................................................................... 315
31.5 Field Replaceable Unit (FRU) Inventory Device ................................................................................................ 315
31.5.1 HSC FRU Format ......................................................................................................................................................... 315
31.6 Temperature Monitoring ..................................................................................................................................... 315
31.7 Disk Management ............................................................................................................................................... 316
31.7.1 Drive Fault Light Control ............................................................................................................................................... 316
31.7.2 Drive Presence Detection ............................................................................................................................................. 316
31.7.3 Enclosure Temperature Sensing .................................................................................................................................. 316
31.8 Slot Status to Fault Light State Mapping ............................................................................................................ 316
32. HSC IPMB Application and Sensors .................................................................................. 317
32.1 LUNs ................................................................................................................................................................... 317
32.2 Sensors .............................................................................................................................................................. 317
32.2.1 Digital and Discrete Sensor Formats ............................................................................................................................ 318
32.3 Event Message Generation ................................................................................................................................ 318
33. HSC Firmware Update ....................................................................................................... 319
33.1 HSC Update Over IPMB ..................................................................................................................................... 319
33.1.1 Entering Firmware Transfer Mode ................................................................................................................................ 319
33.1.2 Exiting Firmware Transfer Mode .................................................................................................................................. 319
33.1.3 Firmware Transfer Version ........................................................................................................................................... 319
33.1.4 Verifying Entry Into Firmware Transfer Mode ............................................................................................................... 319
33.1.5 Set Program Segment Command ................................................................................................................................ 319
33.1.6 FLASH Erase and Sequential Programming ................................................................................................................ 319
33.1.7 Access to Operational Mode Commands ..................................................................................................................... 319