The number 200114 refers to a build compiled on January 14, 2020. While not the absolute newest (some 2023/2024 builds exist), this version gained a “verified” status from several OEMs and Windows Hardware Quality Labs (WHQL) for three reasons:
Step 1: Confirm your device ID
Open Device Manager → Unknown device → Properties → Details → Hardware Ids.
Look for VEN_xxxx&DEV_xxxx. If you see VEN_9710 (MosChip) or VEN_4348 (WCH), you’re likely a match.
Step 2: Get the genuine 200114 package Avoid random “driver updater” sites. Grab the verified cab or executable from: spd driver latest version 200114 verified
Step 3: Disable driver signature enforcement (only if needed) On Windows 10/11, hold Shift while clicking Restart → Troubleshoot → Advanced → Startup Settings → Disable driver signature enforcement. Install the driver, then reboot normally.
Step 4: Manual install via “Have Disk”
Extract the driver → Device Manager → Update driver → Browse → Let me pick → Have Disk → Point to the .inf file from the 200114 folder. The number 200114 refers to a build compiled
Step 5: Verify COM ports After reboot, open Device Manager → Ports (COM & LPT). Your extra serial ports should appear as COM5, COM6, etc. Run a loopback test (connect TX to RX with a jumper) using PuTTY or Termite.
Download and install IF:
Avoid IF:
No. SPD drivers exclusively manage legacy telephony (POTS modems) and some integrated audio routing. You can uninstall the device entirely if you never use a dial-up modem or fax. However, disabling it sometimes corrupts Windows Power Management states. Step 3: Disable driver signature enforcement (only if
