1-5 Installing an Expansion Card
Readthefollowingguidelinesbeforeyoubegintoinstallanexpansioncard:
• Make sure the motherboard supports the expansion card. Carefully read the manual that came
with your expansion card.
• Always turn off the computer and unplug the power cord from the power outlet before installing an
expansion card to prevent hardware damage.
1-6 Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Usethe upper port(green) to connecta PS/2 mouseand the lowerport (purple) toconnect a PS/2
keyboard.
USB 3.0/2.0 Port
TheUSB3.0portsupportstheUSB3.0specicationandiscompatibletotheUSB2.0/1.1specication.
Use this port for USB devices.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following
describesthestatesoftheLANportLEDs.
DuetoCPUlimitations,readthefollowingguidelinesbeforeinstallingthememoryinDualChannelmode.
1. DualChannelmodecannotbeenabledifonlyonememorymoduleisinstalled.
2. WhenenablingDualChannelmodewithtwoorfourmemorymodules,itisrecommendedthatmemory
of the same capacity, brand, speed, and chips be used and installed in the same colored sockets.
DualChannelMemoryCongurationsTable
DDR4_4 DDR4_2 DDR4_3 DDR4_1
2 Modules
- - DS/SS - - DS/SS
DS/SS - - DS/SS - -
4 Modules DS/SS DS/SS DS/SS DS/SS
(SS=Single-Sided,DS=Double-Sided,"--"=NoMemory)
USB 2.0/1.1 Port
TheUSBportsupportstheUSB2.0/1.1specication.UsethisportforUSBdevices.
The four memory sockets are divided into two channels and each channel has two memory sockets as following:
ChannelA:DDR4_2,DDR4_4
ChannelB:DDR4_1,DDR4_3
ActivityLED
Connection/
SpeedLED
LAN Port
ActivityLED:Connection/SpeedLED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
State Description
Blinking Datatransmissionorreceivingisoccurring
On No data transmission or receiving is occurring
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