Seral port connector, Jcom1, Usb 3.0 expanson connector – MSI A55M-P35 User Manual
Page 34: Jusb3, Seral port connector: jcom1, Usb 3.0 expanson connector: jusb3 (optonal), Important, 24 gettng started, Usb 3.0 bracket (optonal)

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Gettng Started
Seral Port Connector: JCOM1
Ths connector s a 16550A hgh speed communcaton port that sends/receves 16
bytes FIFOs. You can attach a seral devce.
1.DC
D
3.SO
UT
10.N
o Pin
5.Gro
und
7.RT
S
9.RI
8.CT
S
6.DS
R
4.DT
R
2.SIN
USB 3.0 Expanson Connector: JUSB3 (optonal)
The USB 3.0 port s backwards compatble wth USB 2.0 devces. It supports data
transfer rates up to 5Gbts/s (SuperSpeed).
11
5
V
5.US
B3_T
X_C
_DN
4.Gro
und
3.US
B3_R
X_D
P
2.US
B3_R
X_D
N
1.Po
wer
10.G
roun
d
9.
+
USB
2.0
8.
-
USB
2.0
7.Gro
und
6.US
B3_T
X_C
_DP
20.N
o Pin
19.P
ower
18.U
SB3
_RX
_DN
17.U
SB3
_RX
_DP
16.G
roun
d
15.U
SB3
_TX
_C_D
N
14.U
SB3
_TX
_C_D
P
13.G
roun
d
12.U
SB2
.0 -
11.
+
USB
2.0
* The MB layout n ths figure s for reference only.
USB 3.0 Bracket (optonal)
Important
Note that the VCC and GND pns must be connected correctly to avod possble
damage.
To use a USB 3.0 devce, you must connect the devce to a USB 3.0 port through an
optonal USB 3.0 complant cable.
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