Intel X38ML Product Specification - Page 84
BMC Self Test, Messaging Interfaces
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Platform Management Intel® Server Board X38ML Chassis control command PEF action BMC watchdog timer Power state retention The BMC provides a system status on the front panel LEDs. For more information, refer to Section 5.7.2. 5.18 BMC Self Test The BMC performs tests during initialization. If a failure is determined, such as a corrupt BMC SDR, then the BMC stores the error internally. BMC or BMC subsystem failures detected during regular BMC operation can also be stored internally. The IPMI 2.0 Get Self Test Results command can be used to return the first error detected. Table 36 shows self-test errors that may be posted. Not all tests are performed as part of the BMC initialization. First Byte 55h 57h 57h 57h 57h 57h 57h 57h 57h Second Byte 00h 01h 02h 04h 08h 10h 20h 40h 80h Table 36. BMC Self Test Results No error Description BMC operational code corrupted BMC boot/firmware update code corrupted BMC FRU internal use area corrupted SDR repository empty IPMB Signal Error BMC FRU device inaccessible BMC SDR repository inaccessible BMC SEL device inaccessible Performed During BMC Init N/A Yes Yes Yes Yes No Yes Yes Yes 5.19 Messaging Interfaces This section describes the supported BMC communication interfaces: Host SMS Interface via low pin count (LPC)/keyboard controller style (KCS) interface Host SMM interface via low pin count (LPC)/keyboard controller style (KCS) interface Intelligent Platform Management Bus (IPMB) I2C interface Emergency management port (EMP) using the IPMI-over-serial protocols for serial remote access LAN interface using the IPMI-over-LAN protocols These specifications are defined in the following sub-sections. 5.19.1 Channel Management Every messaging interface is assigned an IPMI channel ID by IPMI 2.0. Commands are provided to configure each channel for privilege levels and access modes. The following table shows the standard channel assignments: 72 Revision 1.3 Intel order number E15331-006