Top Work: Neoprogrammer 21019 Ch341a
In Neoprogrammer, click "Detect Chip." (Don't select manually). The software will read the JEDEC ID of the chip. You should see a pop-up: "Detected: Winbond 25Q64FVSIG (8MB)." Click OK.
For the price of a pizza, the CH341A TOP running Neoprogrammer 21019 offers 90% of the features of a $70 programmer. The only downside is speed. Flashing a 32MB BIOS takes ~4 minutes on CH341A vs. 45 seconds on TL866. Part 8: The Future – Is Neoprogrammer Dead? Version 21019 was released years ago. The original developer (Radikal) has moved on to creating "ASProgrammer" and paid hardware tools. However, the community has forked the code. Look for "NeoProgrammer 3.0" or "CH341A.NET" as spiritual successors.
Crucial Tip: Remove the motherboard's CMOS battery and main battery. Do not power the motherboard—let the programmer power the chip. neoprogrammer 21019 ch341a top
Click "Erase IC" . This sets all bits to 0xFF .
If you have purchased the black model (often labeled as the "Enhanced Version" with switchable voltage logic), you are leaving 80% of its potential on the table if you aren't using Neoprogrammer 21019. In Neoprogrammer, click "Detect Chip
Click "Open File" and load your new BIOS image (e.g., modified_bios.bin ).
| Programmer | Price | Speed | Software | Verdict | | :--- | :--- | :--- | :--- | :--- | | | $10 | Slow (200KB/s) | Great (Free) | Best for hobbyists | | TL866II Plus | $70 | Medium (800KB/s) | Good (Paid) | Best for pros | | Dediprog SF100 | $500 | Fast (50MB/s) | Excellent | Overkill for BIOS | For the price of a pizza, the CH341A
Before erasing anything, click "Read IC" . Wait for the buffer to fill. Click "Save" (Floppy disk icon) to save the original BIOS (.bin file). Name it backup_original.bin . If you brick the board, this is your lifeline.