USB-SERIAL CH340 (COM4) Drivers

Driver Information

Old drivers impact system performance and make your PC and hardware vulnerable to errors and crashes. We suggest you to download the latest drivers. Keep your USB-SERIAL CH340 (COM4) driver upto date to maximize its performance, fixing any error related to driver.

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USB-SERIAL CH340 (COM4) is a windows driver. It's released by wch.cn Type: Ports
Version: 3.1.2009.6
Date: 2009-06-03

Hardware IDs:

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USB\Vid_1a86&Pid_7523&Rev_0254
USB\Vid_1a86&Pid_7523

Compatible IDs:

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USB\Class_ff&SubClass_01&Prot_02
USB\Class_ff&SubClass_01
USB\Class_ff

The following operating system has used this driver:

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Microsoft Windows XP Professional
Microsoft Windows 7 Home Premium
Microsoft Windows 7 Professionnel
Microsoft Windows 7 Ultimate
Microsoft Windows 7 Professional N
Microsoft Windows 8
Microsoft Windows 7 Édition Intégrale
Micros

This download is valid for the product(s) listed below:

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System manufacturer - System Product Name (Rev 1.xx)
Prolink - UW2 (05)
Sony Corporation - VPCEB29FJ (VAIO/C605AU5G- SKU:N/A)
VMware, Inc. - VMware Virtual Platform (None)
Hewlett-Packard - HP 430 Notebook PC (103C_5336AN G=N L=SMB B=HP S=430/0584100000204C10002630100- SKU:QA102PA#ACJ)
To Be Filled By O.E.M. - Z96JS (1.0)
Hewlett-Packard - HP Compaq nx6310 (EJ361AV) (103C_5336AN/F.06- SKU:EJ361AV)
SAMSUNG ELECTRONICS CO., LTD. - 300E4A/300E5A/300E7A (HuronRiver System/0.1- SKU:System SKUNumber)
Hewlett-Packard - HP Compaq 8510w (103C_5336AN/F.15- SKU:GX195UC#ABF)
LENOVO - 195145G (ThinkPad T60)
Acer - Aspire 5720 (None/V1.19- SKU:None)
System manufacturer - System Product

Notices:

The software drivers provided on this page are generic versions and can be used for general purposes. However, computer original equipment manufacturers (OEMs) may have altered the features, incorporated customizations, or made other changes to the software or software packaging they provide. To avoid any potential installation incompatibilities on your OEM system, We recommend that you check with your OEM and use the software provided via your system manufacturer. We or the computer original equipment manufacturer (OEM) may not provide technical support for some or all issues that could arise from the usage of this generic version of software drivers.

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