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If you get a write error, check if the "Write Protect" (WP) pin is active or if the software's "Unprotect" command needs to be clicked first. Conclusion

Many modern BIOS chips are 1.8V , while the CH341A typically outputs 3.3V . Ensure you use a 1.8V adapter to avoid frying your chip. as programmer 2.1.0.13 download

Always perform a "Read" and then "Save" your original dump before attempting to flash new firmware. This is your safety net. If you get a write error, check if