– Right click on the Windows 10 start menu logo
– Select “Command Prompt (Admin)” Approve any dialogs
– In the command prompt type: powercfg /batteryreport /output “C:\battery_report.html”
– To open the report click on the Start Menu and type: c:\battery_report.html
And there you go, a comprehensive battery usage report.
Here’s how to swap out the proprietary power connectors
After the fans have been replaced the BCM controller will freak out whenever the fans get below a certain RPM, so every 3 min or so the controller will ramp up all the fans to 100% then ramp them down progressively until the threshold is reached again. Below are instructions to upgrade the main BIOS and BMC firmware using a bootable Dell diagnostics DOS based utility.
Tested on Dell PowerEdge 2900 ONLY! Attempt at your own risk – not recommended on any other model.
Tools included in archive
DELL_32-BIT-DIAGNOSTICS_5118-3_R212797.exe – creates a DOS based Dell diagnostics bootable utility
\BMC\bmcfl16d.exe – DOS based BMC update utility – directory includes modified firmware with lowered fan thresholds Fans 1-6 600rpm 7-8 0rpm
\BIOS\PE2900-020700CBIOS.exe – DOS based BIOS update utility – will update main BIOS to 2.7.0
Extract archive usin 7zip, WinRAR, etc
Have a 1GB flash drive FAT formatted ready – run DELL_32-BIT-DIAGNOSTICS_5118-3_R212797.exe select Install to USB
Copy the folders BMC & BIOS to the newly created bootable USB
On the PE2900 boot and press> F11 – Select Internal C: (USB Disk)
When the Diagnostics menue apears select> option 4 Exit
-To update BIOS to 2.7.0
Type> cd bios
Type> PE2900-020700CBIOS.exe – Follow the instructions -Reboot when asked
-To update BCM firmware with lowered fan thresholds
Type> cd BCM
TYPE> bmcfl16d.exe -f – follow the instructions – reboot when completed (fans will ramp up to 100% during flashing)