
APC-3X91A User Manual
15. BZ: onboard buzzer.
16. CPU_FAN/SYS_FAN1: (2.54mm Pitch 1x3 Pin Header),Fan connector,
cooling fans can be connected directly for use. You may set the rotation condition of
cooling fan in menu of BIOS CMOS Setup.
Note:
Output power of cooling fan must be limited under 5W.
17. LAN1/2: (RJ45 Connector), Rear LAN port,2 standard 10/100/1000M RJ-45
Ethernet ports are provided. Used Intel 82574L chipset ,LINK LED (green) and
ACTIVE LED (yellow) respectively located at the left-hand and right-hand side of the
Ethernet port indicate the activity and transmission state of LAN.
18. CRT1: (CRT Connector DB15),Video Graphic Array Port, provide high-quality
video output. They cannot work at the same time for CRT and VGA1.
19. VGA1: (CRT 2.0mm Pitch 2X5 Pin Header), Video Graphic Array Port, Provide
2x5Pin cable to VGA Port, they cannot work at the same time for CRT and VGA1.
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