8 system management (sm) bus, System management (sm) bus, Come-bip6 / system resources – Kontron COMe-bIP6 User Manual
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COMe-bIP6 / System Resources
5.8
System Management (SM) Bus
The 8-bit SMBus addresses uses the LSB (Bit 0) for the direction. Bit0 = 0 defines the write address, Bit0 = 1 defines the
read address for the device. The 8-bit addresses listed below shows the write adress for all devices. 7-bit SMBus adresses
shows the device address without Bit0.
8-bit Address 7-bit Address Device
Comment
SMBus
12h
0x09
SMART_CHARGER
Not to be used with any SM bus device except a charger
SMB
14h
0x0A
SMART_SELECTOR
Not to be used with any SM bus device except a selector or manager SMB
16h
0x0B
SMART_BATTERY
Not to be used with any SM bus device except a battery
SMB
30h
0x18
DDR3 Thermal Sensor Chan. A
Do not use under any circumstances
SMB
34h
0x1A
DDR3 Thermal Sensor Chan. B
Do not use under any circumstances
SMB
58h
0x2C
HWM NCT7802Y (non ECC Design) Do not use under any circumstances
SMB
5Ch
0x2E
HWM ADT7490 (ECC Design)
Do not use under any circumstances
SMB
A0h
0x50
DDR3 channel A SPD
Do not use under any circumstances
SMB
A4h
0x52
DDR3 channel B SPD
Do not use under any circumstances
SMB
C8h
0x64
Ethernet 82579
Do not use under any circumstances
SML0
A JIDA Bus No. like in former Modules cannot be provided because the EAPI driver
implementation enumerates the I2C busses dynamically. Please follow the initialisation
process like it is provided in the EAPI specification.
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