User Guide

©Copyright Lenovo 2022 7 ThinkSystem RAID 540-8i PCIe Gen4 12Gb Adapter
The following table describes the headers and connectors on the adapter.
Table 2: Headers and Connectors
Connector Type Description
J2 Standard edge card connector The interface between the storage adapter and the host system.
With the PCIe interface, this connector provides power to the board and an I
2
C
interface connected to the I
2
C bus for the IPMI.
J4 Default SBR header 2-pin connector. Reserved.
J7 Advanced software options hardware
key header
2-pin connector.
Enables support for selected advanced features.
J8 Onboard serial UART connector 4-pin connector. Reserved.
J10 Global HDD activity LED header 2-pin connector.
Connects to an LED that indicates activity on the drives connected to
the controller.
J11 Global drive fault LED header 2-pin connector.
Connects to an LED that indicates whether a drive is in a fault condition.
J17 Storage interface connector
One SFF-8654 8-port internal connector.
Connects the adapter by cable to the storage devices.
The following table describes the LEDs on the adapter.
Table 3: LED Designations
LED Type Description
LED 2 Yellow IOC over
temperature
Stays on solid to indicate that the SAS3808 IOC temperature sensor is over the temperature
threshold. When the IOC is in the proper temperature range, this LED is off.
LED3 Green system heartbeat Indicates that the SAS3808 IOC is operating normally.