B85 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~2)
These connectors connect to Serial ATA 3.0 Gb/s hard disk drives via Serial ATA
3.0 Gb/s signal cables.
When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to
Speaker connector (4-pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
Clear RTC RAM (2-pin CLRTC)
This header allows you to clear the CMOS RTC RAM data of the
system setup information such as date, time, and system passwords.
To erase the RTC RAM:
Turn OFF the computer and unplug the power cord.
Use a metal object such as a screwdriver to short the two pins.
Plug the power cord and turn ON the computer.
Hold down the <Del> key during the boot process and enter
BIOS setup to re-enter data.
If the steps above do not help, remove the onboard battery and short the two pins again
to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
USB 3.0 connector (20-1 pin USB3_1314)
Connect a USB 3.0 module to this connector for additional USB 3.0 front or rear
panel ports. This connector complies with USB 3.0 specifications and provide faster
data transfer speeds of up to 5 Gbps, faster charging time for USB-chargeable
devices, optimized power efficiency, and backward compatibility with USB 2.0.
USB 2.0 connector (10-1 pin USB1112)
Connect the USB module cable to any of this connector, then install the module to
a slot opening at the back of the system chassis. This USB connector complies with
USB 2.0 specifications and support up to 480Mbps connection speed.
Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.
Connect the S/PDIF Out module cable to this connector, then install the module to
a slot opening at the back of the system chassis.