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NI High-Speed Digitizers Getting Started Guide 8 ni.com
4. Secure the device to the PCI chassis with a screw.
Caution It is important to completely screw the device front panel into the PCI slot, both for
mechanical stability and to create a solid ground connection. Improperly secured devices may affect
the accuracy of the device.
(SMC-Based Devices) Some computer manufacturers use a securing lever made of plastic to secure
PCI devices; such a lever is unacceptable and must be removed. Use the screw provided in the kit
to screw down the digitizer. Otherwise, you must use a different computer chassis.
5. Replace the PC cover.
6. Plug in and power on the PC.
7.
(SMC-Based Devices) Verify that spread-spectrum clocking is enabled in the PC BIOS.
For information about how to verify this setting, refer to the PC user documentation.
Note For SMC-based devices, spread-spectrum clocking varies the clock signal to spread the timing
clock signal over a small frequency range. Disabling spread-spectrum clocking may affect the
accuracy of device specifications.
USB Devices
To install a USB device, connect the USB cable to the PC and the digitizer, as shown in Figure 5.
Figure 5. USB Installation
1 Laptop Computer 2 NI USB High-Speed Digitizer 3USB Cable
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