Part number F7WXD
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SAS Cable Dell PowerEdge R650/R6525/R660/R6625 10x2.5" 1xSFF-8654 STR 8i FCTRL_B for 1xSFF-8654 STR 4i 10BP
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The LED codes on the R660 motherboard can signal various issues, such as a 5V switch fault or problems with connected USB devices, iDRAC cables, or the rear I/O card. To troubleshoot, perform a flea power drain, clear the NVRAM, and test with only the minimum components necessary for POST. If the server still does not boot, further inspection of the components may be required. [community thread]
To disable the liquid cooling setting, you can use an undocumented OEM IPMI command with ipmitool. Ensure you have root/admin privileges, and after executing the command, reboot both the iDRAC and the host operating system to apply the changes. [community thread]
When replacing the backplane and controller in a Dell R650 server, it's important to note that the necessary cables may not be included with the new components. It is recommended to contact local support or raise a ticket to ensure you receive the correct cables for your setup. [community thread]
To troubleshoot random reboots, check for any error messages around the time of the reboots and ensure that all firmware and software are updated. Run diagnostics using Dell SupportAssist, reseat hardware components like memory and CPUs, and monitor temperatures to prevent overheating. Additionally, verify the power supply and consider testing with a different one if issues persist. [community thread]