## Quanta QSSC S99 ### Firmware Upgrade to 1.04 How to upgrade the firmware on a Quanta QSSC-S99 with the FreeDOS boot. Ensure you have inserted a USB device into the server. The USB device should contain the image that has been created for the firmware upgrades. Enter BIOS setup by hitting `F2` ![](../_static/img/quanta_fw_104_udpdate_01.png) Ensure your first boot device is the USB flash drive. ![](../_static/img/quanta_fw_104_udpdate_02.png) ![](../_static/img/quanta_fw_104_udpdate_03.png) Hit `F10` to save and exit. ![](../_static/img/quanta_fw_104_udpdate_04.png) Select the first boot option for FreeDOS when the boot loader appears. ![](../_static/img/quanta_fw_104_udpdate_05.png) Navigate to the directory containing the firmware which is under `c:\Z99QV104\SOCFLASH`. ![](../_static/img/quanta_fw_104_udpdate_07.png) Once in that directory execute the BAT file dos.bat which will begin the firmware flash. ![](../_static/img/quanta_fw_104_udpdate_08.png) The BAT job will complete and take you back to the command prompt. You can now power off the system and remove all power cords. ![](../_static/img/quanta_fw_104_udpdate_10.png)