Kontron AM4901 IPMI - Manual (Page 65)

AM5901/AM4901 IPMI Firmware User Guide
ID: 1035-8760, Rev. 3.0 Page 65
8.2 Kontron OEM Commands
8.2.1 Write Switch Register
This command writes the register of a switch via the MIIM interface. The PHY Interface Address
is not a parameter here because it is always the same default address.
8.2.2 Read Switch Register
This command reads the register of a switch via the MIIM interface. The PHY Interface Address
is not a parameter here because it is always the same default address.
COMMAND LUN NetFn CMD
WriteSwitchRegister 00h OEM = 3Eh 22h
REQUEST DATA
Byte Data Field
1 Format = 0: for BCM5396
<>: undefined, error
2 Register Page
3 Register Offset
4 Data Pattern LSB
[5:11] Higher Data Pattern Bytes (optional)
RESPONSE DATA
Byte Data Field
1 Completion Code
COMMAND LUN NetFn CMD
ReadSwitchRegister 00h OEM = 3Eh 23h
REQUEST DATA
Byte Data Field
1 Format = 0: for BCM5396
<>: undefined, error
2 Register Page
3 Register Offset
4 Byte Count n (1..8)
RESPONSE DATA
Byte Data Field
1 Completion Code
2:n Register data bytes. LSB first