Unknown Enhanced Serial Multi-4 JA /PCI how to download and install the driver

Enhanced Serial Multi-4 JA /PCI is a Multi Port Serial hardware device. This Windows driver was developed by Unknown. In order to make sure you are downloading the exact right driver the hardware id is PCI/VEN_14a1&DEV_0004&REV_91.

1. Manually install Unknown Enhanced Serial Multi-4 JA /PCI driver

1. Download the driver setup file for Unknown Enhanced Serial Multi-4 JA /PCI driver from the location below. This is the download link for the driver version 1.704.01.002 dated 2013-06-26.
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3. Run the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is enabled then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be quite easy to follow. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the new driver, it is as simple as that.
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Unknown applied a digital signature to this driver.
Size of this driver: 241559 bytes (235.90 KB)
This driver received an average rating of 4.5 stars out of 1682 votes.
This driver will work for the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. The easy way: using DriverMax to install Unknown Enhanced Serial Multi-4 JA /PCI driver

The most important advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date. How easy can you install a driver with DriverMax? Let's take a look!

1. Open DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of available driver updates. Search the list until you locate the Unknown Enhanced Serial Multi-4 JA /PCI driver. Click on Update.
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5. That's all, the driver is now installed!
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