Pcie Smbus Connection Setting Of Clock (Smb1, Smb3) And Data - Advantech ECU-479 Series User Manual

A.11 PCIe SMBus connection setting of clock (SMB1,
SMB3) and data (SMB2, SMB4) for PCIE1 ~
PCIE4 slots
Some PCIe add-on cards or devices may have SMBus address conflicts with
DIMMB2 slot at slave address of 0xA6. In the case, users may disable the SMBus
connection of clock (SMB1, SMB3) and data (SMB2, SMB4), while VPD (Vital Prod-
uct Data) will not be accessed. The default setting is enabled. Please note that both
SMB1 and SMB2 jumpers should be switched to the same setting, either pins 1-2
closed or pins 2-3 closed.
SMB1, SMB2 control PCIE2~PCIE4 slots; SMB3, SMB4 control PCIE1 slot.
Table A.16: PCIe SMBus connection setting of clock and data
Function
*Enable PCIe SMBus connection
Disable PCIe SMBus connection
* default setting
ECU-470 User Manual
Jumper Setting
1 2 3
1-2 closed
1 2 3
2-3 closed
66