flashrom -p ch341a_spi # detect chip flashrom -p ch341a_spi -r backup.bin # read flashrom -p ch341a_spi -E # erase flashrom -p ch341a_spi -w new.bin # write flashrom -p ch341a_spi -v new.bin # verify
: The Vendor ID and Product ID. These are 4-digit hexadecimal codes (e.g., VID: 0951 , PID: 1666 ). chipeasy
: It identifies the manufacturer of the USB controller (e.g., Phison, Alcor, Silicon Motion, or SandForce). This is the most important piece of information needed if you intend to "reflash" a broken drive. flashrom -p ch341a_spi # detect chip flashrom -p
Check the reported by the software versus the Physical Capacity of the identified NAND chip. This is the most important piece of information
Below is a guide on how to use ChipEasy to diagnose and gather data for your USB device. 🛠️ Using ChipEasy for Diagnostics