A.5 system management bus (smbus, Kta55/pitx user's guide – Kontron KTA55-pITX User Manual
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Appendix A: System Resources
KTA55/pITX User's Guide
A.5
System Management Bus (SMBus
TM
)
The KTA55/pITX uses three onboard System Management Buses (SMBus
TM
). These buses are not available
on a peripheral connector and therefore cannot be used for external SMBus
TM
devices.
SMBus 0
SMBus
TM
Address
Device
Comment
A0h / A1h
SPD Eeprom (DDR3-SDRAM)
Read only
SMBus 1
SMBus
TM
Address
Device
Comment
42h / 43h
Chrontel DisplayPort/LVDS Controller
SMBus 2
SMBus
TM
Address
Device
Comment
tbd.
Intel i82574 LAN Controller
Warning: There are more devices connected to the SMBus
TM
than listed in this table but access to these devices in not permitted.
Don’t access any other device addresses except those listed above.
This manual is related to the following products: