Znyx Networks bh5700 - Manual (Page 353)

Event Generator
The PMC’s event generator is disabled until it receives a SetEventReceiver command from
BMC for Event Receiver’s slave address and LUN. If the event generator is enabled, PMC
reports significant events to the BMC asynchronously.
The standard IPMI platform event message format is used.
IPMB Event message format
Structure of event messages sent to the BMC by PM device (PMC) is shown below.
IPMB Event Message Format
Byte Data Field Byte Description
1 EvMRev <event_msg_rev>
2 Sensor Type <sensor_type>
3 Sensor # <sensor_number>
4 Event Dir | Type <direction, type> bit: 7
4 Event Type <type> bits: 0-6
5 Event Data 1 <arg1>
6 Event Data 2 <arg2>
7 Event Data 3 <arg3>
Table C.7: Event Message Format
IPMI Event Message Definitions
The following tables describe the IPMI event messages to be generated by the PMC. The basic
requirement is that when a monitored sensor changes state, an event must be generated and sent
to BMC.
Field Replaceable Unit Inventory Device
A Field Replaceable Unit Inventory Device (FRU ID) file is generated for the Ethernet Switch
Blade in binary format. At manufacturing, the file is loaded at the same time as the boot and
runtime files to a specified space, which is reserved in the spare SEEPROM on I
2 C bus number 1
at device address 0xA2. The FRU information is product specific and, in addition, may be
customer specific. At boot time, the IPMI firmware will read the product serial number from the
board’s VPD file to FRU’s product Information Area.
Ethernet Switch Blade User's Guide release 3.2.2j page 353