11
LED indicator
Color
Description
Power LED
Green
Indicates system power. Remains lit when the system
boots normally and main power supply is functioning.
HDD LED
Yellow
Indicates operating state of the HDD. Flashes during
access to or activity on the SATA HDD.
Watchdog
Red
Indicates status of the watchdog timer, lighting when
watchdog timer has expired. Please refer to Appendix
B for watchdog timer programming information.
HS LED
Blue
Indicates system status, blinking on and off once
during boot when system status is good, and
continuously blinking or remaining lit when the system
malfunctions.
Table 2-3: LED Indicator Legend
In the event of malfunction, clear the CMOS (please see Section 2.3.15: Clearing
CMOS Jumper (JP1)) and reboot the system. If the system fails to respond properly,
please contact JYTEK for assistance.
2�3�7 USB 2�0 Ports
The PXIe-63975 provides four USB 2.0 ports via USB Type A connectors on the faceplate, all
compatible with hi-speed, full-speed and low-speed USB devices. Supported boot devices
include USB flash drive, USB floppy, USB CD-ROM, and others, with boot priority and device
settings configurable configured in BIOS. Please see Section 4.5: Boot Setup for more
information.
Pin
Signal
1/5
Power 5V
2/6
USB Data-
3/7
USB Data +
4/8
Ground
Table 2-4: USB 2.0 Port Pin Assignment
