Gigabyte GA-B250-HD3P User Manual page 15

Installation Notices for the M.2, and SATA Connectors:
Due to the limited number of lanes provided by the Chipset, the availability of the SATA connectors may be
affected by the type of device installed in the M2S_32G connector. The M.2 connector shares bandwidth with
the PCIEX4_2 connector. Refer to the following table for details:
Connector
Type of
SATA3 0
M.2 SSD
M.2 SATA SSD
a
M.2 PCIe x4 SSD
a
M.2 PCIe x2 SSD
a
No M.2 SSD Installed
a
a: Available, r: Not available.
8) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status indicator
on the chassis to this header according to the pin assignments below. Note the positive and negative pins
before connecting the cables.
Power Switch Speaker
Power LED
2
1
Hard Drive Reset Power LED
Activity LED Switch
Chassis Intrusion
Header
• HD (Hard Drive Activity LED, Blue):
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is
reading or writing data.
• RES (Reset Switch, Green):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the
computer freezes and fails to perform a normal restart.
• CI (Chassis Intrusion Header, Gray):
Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has been
removed. This function requires a chassis with a chassis intrusion switch/sensor.
• NC (Orange): No Connection.
The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset
switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel
module to this header, make sure the wire assignments and the pin assignments are matched correctly.
SATA3 1 SATA3 2 SATA3 3 SATA3 4
a a a
a a a
a a a
a a a
• PLED/PWR_LED (Power LED, Yellow/Purple):
System Status LED
S0 On
S3/S4/S5 Off
20
• PW (Power Switch, Red):
19
Connects to the power switch on the chassis front panel. You may
configure the way to turn off your system using the power switch (refer
to Chapter 2, "BIOS Setup," "Power," for more information).
• SPEAK (Speaker, Orange):
Connects to the speaker on the chassis front panel. The system reports
system startup status by issuing a beep code. One single short beep
will be heard if no problem is detected at system startup.
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SATA3 5 PCIEX4_2
a r r
a a r
a a r
a a a
Connects to the power status indicator
on the chassis front panel. The LED is on
when the system is operating. The LED is
off when the system is in S3/S4 sleep state
or powered off (S5).