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firmware_basics_procedures [2022/02/21 18:33] – [What is Firmware and what do all those Terms Mean?] -grammar, revert to old wording "in a stable way" as current wording does not complete idea hogwild | firmware_basics_procedures [2022/02/21 20:52] – [What is Firmware and what do all those Terms Mean?] CLoneZilla is a live boot, not "for" an OS djk44883 | ||
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On routers, firmware is stored in a type of non-volatile memory called Flash RAM. The contents of non-volatile memory such as Flash RAM remain after reboots or when the device is turned off. If they were erased, the device would not function. On routers, firmware is replaced or updated by uploading the entire image of the operating system installation and its programs to an EEPROM (electrically erasable and writable) chip. | On routers, firmware is stored in a type of non-volatile memory called Flash RAM. The contents of non-volatile memory such as Flash RAM remain after reboots or when the device is turned off. If they were erased, the device would not function. On routers, firmware is replaced or updated by uploading the entire image of the operating system installation and its programs to an EEPROM (electrically erasable and writable) chip. | ||
- | Again, this is vaguely similar to reformatting and reinstalling the entire operating system on a PC. However, during the firmware flashing process, files are not copied one at a time onto a filesystem. Instead, one single image file that contains the entire installation is copied to the router' | + | Again, this is vaguely similar to reformatting and reinstalling the entire operating system on a PC. However, during the firmware flashing process, files are not copied one at a time onto a filesystem. Instead, one single image file that contains the entire installation is copied to the router' |
=== What's an Image? === | === What's an Image? === | ||
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Let's start by examining some methods for flashing firmware on Asus routers. | Let's start by examining some methods for flashing firmware on Asus routers. | ||
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===== Flashing Asus Hardware ===== | ===== Flashing Asus Hardware ===== | ||
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If the router is still acting buggy or incorrectly at that point, we recommend you request help on the Tomato forum. | If the router is still acting buggy or incorrectly at that point, we recommend you request help on the Tomato forum. | ||
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==== TFTP Method ==== | ==== TFTP Method ==== |