Asus PRIME B250M-C - Intel B250 Serial ATA Connectors; USB 3.0 Connector; System Panel Connector; Speaker Connector

ASUS PRIME B250M-C
1-3
Intel
®
B250 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1~6)
These connectors connect to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA
6.0 Gb/s signal cables.
When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to
[AHCI].
USB 3.0 connector (20-1 pin USB3_12)
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 specications and provides
faster data transfer speeds of up to 5 Gbps, faster charging time for USB-
chargeable devices, optimized power efciency, and backward compatibility with
USB 2.0.
System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The
speaker allows you to hear system warnings.
Chassis intrusion header (4-1 pin CHASSIS)
This header is for a chassis-mounted intrusion detection sensor or switch. Connect
one end of the chassis intrusion sensor or switch cable to this connector. The
chassis intrusion sensor or switch sends a high-level signal to this connector when
a chassis component is removed or replaced. The signal is then generated as a
chassis intrusion event.
By default, the pin labeled “Chassis Signal” and “Ground” are shorted with a jumper
cap. Remove the jumper caps only when you intend to use the chassis intrusion
detection feature.
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:
1. Turn OFF the computer and unplug the power cord.
2. Use a metal object such as a screwdriver to short the two pins.
3. Plug the power cord and turn ON the computer.
4. 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.
CLRTC
+3V_BAT GND
PIN 1