Have a specific thermal reading or error code? Post the full dmesg or sas2flash -list output in the comments below.
If you have followed this guide and your DSL2520UZ2 is still scalding hot after two reboot cycles, the chip is likely physically damaged. Replace the backplane or expander card immediately to protect your data drives. dsl2520uz2 firmware hot
A: Possibly. The DSL2520UZ2 has a JTAG header (IEEE 1149.1). You need a Segger J-Link or similar and the BSDL file from Broadcom. However, for the cost of labor, buying a replacement backplane ($150-$300) is more economical. Conclusion: Don't Ignore the Heat The search term "dsl2520uz2 firmware hot" is a cry for help from a storage administrator watching a server crash in real-time. The takeaway is simple: Firmware controls thermals. A cool, stable expander indicates healthy, validated code. A burning-hot chip indicates either a failed flash or an incompatible binary. Have a specific thermal reading or error code