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MosChip MCS7820/MCS7840 2/4 port serial adapter driver

Hardware ID USB\VID_9710&PID_7840

Vendor
MosChip Semiconductor (VID 9710)
Device
MCS7820/MCS7840 2/4 port serial adapter (PID 7840)
Bus
USB
Drivers
1
Windows
Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10

Recommended driver

ASIX USB2.0 to Serial Port Driver
Version 3.20.0.0, 3.18.1.0, 2.0.10.0 · Jan 24, 2018 · Windows XP–10 · 32-bit & 64-bit
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All drivers for VID_9710&PID_7840

DriverVersionDateWindowsBits
ASIX USB2.0 to Serial Port Driver 3.20.0.0, 3.18.1.0, 2.0.10.0 Jan 24, 2018 Windows XP–10 32-bit & 64-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (often listed under Other devices with a yellow sign) → Properties → Details.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_9710&PID_7840, the drivers above are for your device.

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