Artesyn ARTM-831X Installation and Use (June 2014) - Manual (Page 101)

Module Management Controller
ARTM-831X Installation and Use (6806800M76E) 101
5.7 IPMI Hardware Watchdog
For crisis recovery purpose the IPMI building block provides an internal hardware watchdog.
The IPMI firmware will be reset if it does not trigger the watchdog anymore.
5.8 SFP I2C Selection
The SFP's I2C EEPROM data can be accessed via the MMC's private I2C bus with the use of the
IPMI command MasterWriteReadI2C. The first parameter of the command specific request
data called bus ID is used to select the SFP to be accessed. For details, how this parameter need
to be selected, please see the following table:
Table 5-3 MasterWriteReadI2C request data byte 1 used for SFP I2C Selection
SFP Instance Bus type (bit [0] of bus ID) Bus Id (bit [3-1] of bus ID) Channel (bit [7-4] of bus ID)
1 1 3 0
2 1 4 0
3 1 5 0
4 1 6 0
5 1 7 0
6 1 0 1
7 1 1 1
8 1 2 1
9 1 3 1