To create a DOS bootable USB pen drive is required sometime to boot specific purpose to perform complex task on computer device baseboard.
Use Case : I have super-micro servers, but i have forgotten BMC IPMI hardware management password ( i.e IPMI, iLO, iDRAC ).
Now i want to reset the password through DOS bootable USB drive.
DOS Bootable USB Pendrive Benefits
- Direct access to the BIOS calls and the underlying hardware
- To reset the BIOS and IPMI BMC password
- Install and upgrade hardware drivers
- Install and upgrade hardware firmware
Lets Create DOS Bootable USB Pen drive
Step 1 : Download rufus USB bootable tool
Step 2 : Plug pendrive to your Laptop or desktop going to use to make bootable pendrive
Step 3 : Run rufus tool and select following options in screenshot to proceed
Note : Select default “FreeDOS” option only, Don’t upload any ISO image.
Step 4 : Let Start the to create DOS boot-able pen drive to click on start button.
Note : When you click on start button, rufus will ask you to format pen drive and erase all pen-drive data.
Before format take backup of pen-drive data if necessary.
click on OK button to start Creating DOS boot-able pen drive
Step 5 : Wait to completing bootable pen drive process
When bootable pen drive status is READY, click on close
Step 6 : Copy DOS executable files to Bootable Pendrive to boot pen drive from DOS
Note : After creating bootable pen drive rufus creates three file to make pen drive bootable as mentioned below :
1. Local Folder,
2. Autorun icon and
3. Autorun setup file
Example : I have one super-micro server, but i have forgotten BMC IPMI hardware management password ( i.e IPMI, iLO, iDRAC ).
Now i want to reset the password
To reset the hardware management password i downloaded the DOS bootable files from super-micro website. Included DOS executable and DAT files to reset super-micro hardware management server password.
In above screenshot DOS files are in left hand side of window and right hand side is my bootable pen drive.
Copy your DOS executable file and DAT files to bootable pendrive to boot the pendrive from DOS.
Step 7 : Now you can proceed to boot your computer/server from bootable pen drive.
Read more How to boot computer/server from USB Pendrive
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