MosChip Semiconductor Technology L PCI 9855 Multi-I/O Controller driver

Hardware ID PCI\VEN_9710&DEV_9855

Vendor
MosChip Semiconductor Technology L (VEN 9710)
Device
PCI 9855 Multi-I/O Controller (DEV 9855)
Bus
PCI / PCI Express
Drivers
2
Windows
Windows XPWindows VistaWindows 7Windows 8

Recommended driver

Version 2.0.3.0 · Jun 17, 2013 · Windows XP–8 · 32-bit & 64-bit
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All drivers for VEN_9710&DEV_9855

DriverVersionDateWindowsBits
ASIX PCI Serial Port Drivers 2.0.3.0 Jun 17, 2013 Windows XP–8 32-bit & 64-bit
MosChip PCI Multi-IO Controller Driver 2.0.0.18 Jan 10, 2010 Windows XP–8 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) → PropertiesDetails.
  3. Select Hardware Ids in the list. If the first line starts with PCI\VEN_9710&DEV_9855, the drivers above are for your device.

More about hardware IDs · Fix common device errors

Known OEM variants (subsystem IDs)

Laptop and motherboard makers use the same chip with their own subsystem ID. The drivers above apply to all of them; an OEM driver from the laptop maker’s site may add vendor-specific features.

Full hardware IDProduct
PCI\VEN_9710&DEV_9855&SUBSYS_001410001P4S
PCI\VEN_9710&DEV_9855&SUBSYS_002210002P2S (2 Parallel / 2 16550A Serial Port Adapter)

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