© National Instruments | 3-15
PXIe-8840 User Manual
Front Panel Features
The PXIe-8840 has the following front-panel features:
• A controller reset push button (press the button to generate a reset to the controller)
• Two front panel LEDs that show PC status
– The DRIVE LED indicates when an access to the internal hard disk is occurring.
– The PWR OK/FAULT LED indicates the status of the controller. The LED indicates
one of the following states:
• Green ON steady—PXI Express and onboard power is on and within regulation
limits.
• Green BLINKING—One of the onboard power supplies is operating outside of
the normal limits or the system power supply is out of regulation.
• OFF—The controller is powered off.
• Red BLINKING—The controller detected a power rail fault when trying to boot.
– The USER1 LED is a bi-color green/yellow LED. You can define the USER1 LED to
meet the needs of your LabVIEW application.
– The USER2 LED is a bi-color green/yellow LED. You can define the USER2 LED to
meet the needs of your LabVIEW application.
Data Storage
The PXIe-8840 has the following data storage features:
• 2.5 in. SATA notebook internal hard drive
• USB storage support—USB CD/DVD-ROM, mass storage device, or floppy drive