FireWire Port in Visual Basic .NET

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FireWire Port
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Many newer media centers and high-end computers now come with FireWire ports (often called IEEE 1394 ports after the Institute of Electrical and Electronics Engineers standard that defines the technology). FireWire can transfer data at a rate of 400 or 800 Mbps. Firewire is used mainly for video transfer from digital movie cameras, but it will soon become a popular option for newer PDAs and handhelds, including cradles, chargers, and synchronizers. When troubleshooting a device that connects by using a FireWire port, you can verify that the port is functional by plugging in another device (such as a digital camera). You should also ensure that the connection to and from the peripheral and the computer is solid and verify that the cable that connects the two is not worn or damaged.
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Handheld Devices
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Most handheld devices support either Infrared Data Association (IrDA) standards or connect to the computer through a serial or USB port. For handheld devices that use a port, some connect directly to the port, and some connect to a cradle, which in turn is connected to the port. You will need to install software so that Windows XP can communicate correctly with the handheld device. For example, Palm-based personal digital assistants (PDAs) require you to install the Palm desktop software to allow the PDA to transfer data to and from a Windows-based PC. Handheld devices running Windows Mobile software, such as the Pocket PC, require that you install a program named ActiveSync on the computer.
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Supporting Display Devices, I/O Devices, and ACPI
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See Also For more information on supporting handheld devices running Windows Mobile software, visit the Windows Mobile website at http://www.microsoft.com/windowsmobile /default.mspx.
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Lesson Review
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The following questions are intended to reinforce key information presented in this lesson. If you are unable to answer a question, review the lesson materials and try the question again. You can find answers to the questions in the Questions and Answers section at the end of this chapter. 1. What is the first step associated with troubleshooting USB problems
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2. You receive a call from a user who is having trouble installing a scanner on her computer running Windows XP. She disconnected her printer from the computer s parallel port and connected the scanner in its place. She then turned the scanner on and ran the Add Hardware Wizard. She thinks that Windows XP did detect the scan ner, but she received a number of error messages and was unable to complete the installation. She downloaded the most recent drivers for the scanner from the manufacturer s website, which claimed that they support Windows XP, and tried the Add Hardware Wizard again, but got the same results. What is the likely problem A. She must log on to the computer with administrator privileges to install hardware devices that are not Plug and Play. B. The scanner is not compatible with Windows XP. C. The parallel cable is damaged. D. The scanner is not working.
Lesson Summary
I/O devices extend the capabilities of the basic PC. Standard input devices associ ated with personal computers included the keyboard and mouse, although other devices exist. Standard output devices include monitors and printers. Windows detects and installs most Plug and Play devices automatically. If a device does not support Plug and Play, a user must log on to Windows XP using an account with administrator privileges in order to complete the installation of the device.
Lesson 2
Configuring and Troubleshooting I/O Devices 7-21
Mouse devices and keyboards are generally Plug and Play devices and are recog nized when they are connected to the computer or, at the least, when Windows starts up. In some cases, though, you must install a mouse or keyboard using the Add Hardware Wizard. Mouse devices typically connect to computers through a mouse (PS/2) port, serial port, or USB port on the computer or on the keyboard. Keyboards connect using a keyboard or USB port. USB is an external serial bus developed to provide a fast, flexible method of attaching up to 127 peripheral devices to a computer. USB provides a connection format designed to replace the computer s traditional serial port and parallel port connections. FireWire ports (often called IEEE 1394 ports) can transfer data at a rate of 400 or 800 Mbps.
7-22
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