How to format a device using the BootROM of S series switches

On S series switches (except S1700 switches), perform the following operations to format a device through the BootROM:
On the BootROM main menu, select Enter filesystem submenu.
2. In the file system submenu, select Format flash. For S7700&S9700 series switches, you also need to select Format CFcard.
Note that all the files in the flash memory, including the system software, will be deleted after formatting. Re-upload the system software to the device, otherwise the device will not start.

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