Gigabyte ga-990x-gaming sli [10/40] 5 installing an expansion card

DuetoCPUlimitations,readthefollowingguidelinesbeforeinstallingthememoryinDualChannelmode.

1. DualChannelmodecannotbeenabledifonlyonememorymoduleisinstalled.

2. WhenenablingDualChannelmodewithtwoorfourmemorymodules,itisrecommendedthatmemory

of the same capacity, brand, speed, and chips be used and installed in the same colored sockets. For

optimumperformance,whenenablingDualChannelmodewithtwomemorymodules,werecommend

thatyouinstallthemintheDDR3_1andDDR3_2sockets.

1-5 Installing an Expansion Card

Readthefollowingguidelinesbeforeyoubegintoinstallanexpansioncard:

• Make sure the motherboard supports the expansion card. Carefully read the manual that came

this port for USB devices.

PS/2 Keyboard/Mouse Port

Use this port to connect a PS/2 mouse or keyboard.

USB 2.0/1.1 Port

TheUSBportsupportstheUSB2.0/1.1specication.UsethisportforUSBdevices.

USB 3.1 Type-A Port (Red)

TheUSB3.1portsupportstheUSB3.1specicationandiscompatibletotheUSB3.0/2.0/1.1specication.

Use this port for USB devices.

USB 3.0/2.0 Port

TheUSB3.0portsupportstheUSB3.0specicationandiscompatibletotheUSB2.0/1.1specication.

2 Modules

4 Modules DS/SS DS/SS DS/SS DS/SS

(SS=Single-Sided,DS=Double-Sided,"--"=NoMemory)

ActivityLED:

Blinking Datatransmissionorreceivingisoccurring

On No data transmission or receiving is occurring

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