Later chipset versions include SIS, ALI, and both have fully functional chipsets as well as Intel’s 82371AB and 82371AB/EB.

Solution:

To determine your USB chipset type:

1.Click the My Computer icon using the right mouse button. A pop-up menu appears.

2.Click on Properties command using the left mouse button. This brings up the Device Manager.

3.The last item listed in the Device Manager should be Universal Serial Bus Controllers.

4.Click the + beside the Universal Serial Bus Controllers entry. Two items display, (your chipset) PCI to USB Open Host Controller and Root Hub.

If a yellow exclamation point appears, or if one or both of them are not present, please contact your computer manufacturer. If the USB section is not shown in the Device Manager, we recommend you contact your computer manufacturer to enable USB.

Problem:

Your USB port worked with other USB devices, but does not work with the scanner.

Solution:

It is important that you connect the scanner’s power and USB cables in the following order:

1.Plug the power adapter cord into the scanner and into the outlet. The scanner’s power will then be ON.

2.Connect the USB cable to the USB port on the back of the computer.

NOTE: If you unplug the scanner’s power to turn it off, you must also disconnect the USB cable from the computer. To resume use of the scanner, reconnect the power cord, and then the USB cable.

To use your Astra 4000U scanner, it is important that your computer is set up to correctly support a USB device. You must have the following:

•Windows 95 OSR2, revision B or later To check your system:

1.Right click on your My Computer icon.

2.Select Properties.

3.Select the General tab.

4.You should see a Windows version number of 4.00.950B or 4.00.950C.

5.If you have a different version, contact your reseller or Microsoft for an upgrade.

•Windows USB Supplement installed (Windows 95 only) To check your system:

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UMAX Technologies Astra 4000 manual Select Properties
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Astra 4000 specifications

UMAX Technologies has made significant strides in the technology landscape with its innovative offering, the Astra 4000. This advanced device stands at the intersection of cutting-edge technology and user-centric design, making it a noteworthy contender in the competitive tech market.

One of the standout features of the Astra 4000 is its powerful processing capabilities. Equipped with a high-performance processor, it ensures that users experience seamless multitasking and swift application launches. With its impressive RAM capacity, users can run multiple applications simultaneously without any lag, enhancing productivity and overall user experience.

The Astra 4000 also boasts a high-resolution display that delivers vivid colors and sharp images, making it perfect for both work and entertainment. Whether it's for graphic design, video editing, or simply streaming high-definition content, the display is optimized to provide exceptional clarity and brightness. This focus on visual excellence is complemented by advanced graphics processing, enabling rich visual experiences in gaming and multimedia applications.

In terms of connectivity, the Astra 4000 is designed for the modern user. It supports a variety of connectivity options, including Wi-Fi 6 and Bluetooth 5.0, providing faster internet speeds and improved connection stability. This extensive range of connectivity choices enables seamless communication with other devices and ensures that users can stay connected wherever they are.

Security is another area where the Astra 4000 shines. It incorporates biometric authentication features such as fingerprint scanning and facial recognition, providing users with enhanced security. This level of protection is increasingly necessary in today's digital landscape, where safeguarding personal information is paramount.

Additionally, UMAX Technologies has placed a strong emphasis on energy efficiency with the Astra 4000. The device is engineered to consume less power, thereby extending battery life without compromising performance. This makes it an excellent choice for users who are often on the go and need a reliable device that can last through long workdays or travel.

Lastly, UMAX Technologies provides robust customer support and regular software updates for the Astra 4000, ensuring that users have access to the latest features and enhancements. With its blend of advanced technology, user-centric features, and a strong focus on security and efficiency, the Astra 4000 is poised to redefine the user experience in its category.
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