9. IPMI v2.0 Architecture Baseboard System Bus Bridge Controller ICMB Aux. IPMB Remote Mgmt. Card SMBus/PCI Mgmt. Bus Baseboard Mgmt. Controller (BMC) I 2 C/SMBus SDR, SEL, FRU NV Store Mgmt Netwk Ctrlr LAN PCI RS-232 MODEM / Serial IPMB (I 2 C) Chassis FRU SEEPROM System Interface SENSORs & control circuitry I 2 C / SMBus sensors & control circuitry Satellite Mgmt. Controller In Band Out of Band “ side-band” IPMI Messages
Bios is a collection of APIs Its also consists of configratiopn information User selectable varables APCI memory information SEL DMI logs sets resiters to determine behaviuor powernow and varioius enable/diable options.
Use eample of evnt on 129.156.212.177 f02 | 03/21/2007 | 06:08:09 | System Firmware Progress | Motherboard initialization | Asserted 1002 | 03/21/2007 | 06:08:09 | Fan ft0.fm2.f1.speed | Lower Non-recoverable going low | Reading 2600 < Threshold 3000 RPM 1102 | 03/21/2007 | 06:08:10 | System Firmware Progress | Video initialization | Asserted 1202 | 03/21/2007 | 06:08:11 | Fan ft0.fm1.f0.speed | Lower Non-recoverable going low | Reading 2600 < Threshold 3000 RPM 1302 | 03/21/2007 | 06:08:14 | Fan ft0.fm2.fail | Predictive Failure Asserted 1402 | 03/21/2007 | 06:08:15 | Fan ft0.fm2.f1.speed | Lower Non-recoverable going high | Reading 7200 > Threshold 3000 RPM 1502 | 03/21/2007 | 06:08:15 | Fan ft0.fm1.fail | Predictive Failure Asserted 1602 | 03/21/2007 | 06:08:16 | Fan ft0.fm1.f0.speed | Lower Non-recoverable going high | Reading 7100 > Threshold 3000 RPM