Norco BPC-7971, User Manual

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BPC-7971 User's Manual
20
Connect system power LED cable with these pins.
（
pin 1 is LED anode
）
When system is
power on, power LED is on
；
when system is power off, power LED is off.
2
）
HDD Status LED Pins
（
Pin3
、
4 for HDD LED
）
There is one HDD LED on panel. When HDD is reading and writing, the LED flashes,
indicating the device is working. Connect the HDD status LED cable to the pins. (Pin3 is LED
anode).
3
）
Speaker Pins
（
Pin 5
、
6 for SPEAKER
）
Connect external speaker.
4
）
Reset Button Pins
（
Pin 7
、
8 for RESET
）
Connect the reset button connecting cable connected to the pins. Once system fails and
cannot continue with its work, reset button enables the system back to work, without turning off
or on the power, so as to prolong the product life span.
5
）
Power On/Off Pins
（
Pin 9
、
10 for POWER BUTTON
）
These two pins are connected to the bounce switch on chassis, to connect or disconnect power
supply.
2.5.11 Memory Slot
Board provides 1xPCIE X4 port
，
1xon board 4GB/8GB DDR4 memory chip+1x DDR4
DIMM slot
，
memory slot up to 16 GB
，
the whole board up to 24GB.
2.5.12 Expansion Port
Provide 2xMINI PCIe slot
，
one support MSATA/WIFI
，
the other support
MSATA/WIFI/3G/4G.
2.6 Instructions for installation and use of 4G module
2.6.1 Install mobile card, 4G module and module antenna on the motherboard
。