MSI 990XA-GD55 series

En-17
Englsh
Front USB Connector: JUSB1, JUSB2
Ths connector, complant wth Intel
®
I/O Connectvty Desgn Gude, s deal for con-
nectng hgh-speed USB nterface perpherals such as USB HDD, dgtal cameras, MP3
players, prnters, modems and the lke.
11
5V
1.VC
C
3.USB0
-
10.NC
5.USB0
+
7
.Ground
9.No
Pin
8
.Ground
6.USB1
+
4.USB1
-
2.VC
C
* The MB layout n ths 󰘰gure s for reference only.
USB 2.0 Bracket (optonal)
Seral Port Connector: JCOM1
Ths connector s a 16550A hgh speed communcaton port that sends/ receves 16
bytes FIFOs. You can attach a seral devce.
1
.
D
C
D
3
.
S
O
U
T
1
0
.
N
o
P
i
n
5
.
G
r
o
u
n
d
7
.
R
T
S
9
.
R
I
8
.
C
T
S
6
.
D
S
R
4
.
D
T
R
2
.
S
I
N