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MONO Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 4)
Serial ATA3 Connectors
(see p.2, No. 9 and 10)
PIN
Signal Name
1
GND
2
LVDS_TX+
3
LVDS_TX-
4
GND
5
GND
6
LVDS_RX-
7
LVDS_RX+
8
GND
9
GND
10
GND
USB 2.0 Header
(9-pin USB_4_5)
(see p.1, No. 1)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.1, No. 8)
(4-pin CPU_FAN2)
(see p.1, No. 9)
1
Front_L-
Front_L+
Front_R+
Front_R-
20
1
PIN
Signal Name
11
N/A
12
5V
13
5V
14
5V
15
5V
16
5V
17
N/A
18
GND
19
GND
20
GND
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
4
3
2
1
GND
FAN_VOLTAGE
CPU_F
AN_SPEED
FAN_SPEED_CONTROL
Please connect the chassis
speaker to this header.
These two SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
*The SATA3 connectors
support 2.5-inch hard
drive (+5V) and do not
support 3.5-inch hard
drive (+12V)
There is one header on
this motherboard. This
USB 2.0 header can
support two ports.
This motherboard
provides two 4-Pin CPU
fan (Quiet Fan)
connectors. If you plan to
connect a 3-Pin CPU fan,
please connect it to Pin
1-3.
X300M-STX
23
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