MSI 990FXA

2-16
Hardware Setup
MS-7640
Chapter 2
Hardware Setup
MS-7640
Chapter 2
Front USB Connector: JUSB3
USB 3.0 port s backward-compatble wth USB 2.0 devces. Supports data transfer rate
up to 5 Gbt/s (SuperSpeed).
1
15V
5.
U
SB3_TX3_C_DN
4
.Ground
3.USB3_RX3_DP
2.USB3_RX3_DN
1
.FUSB_VCC2
10.NC
9.SBD0+
8.SBD0-
7
.Ground
6.USB3_TX3_C_DP
20.No
Pi
n
19.FUSB_VCC1
18.USB3_RX4_DN
17.USB3_RX4_DP
16.Ground
15.USB3_TX4_C_DN
14.USB3_TX4_C_DP
13.Ground
12.SBD1-
11
.
SBD1+
* The MB layout n ths 󰘰gure s for reference only.
USB 3.0 Bracket (optonal)
Important
Note that the pns of VCC and GND must be connected correctly to avod possble
damage.
If you want to use a USB 3.0 devce, you must use the USB 3.0 cable to connect to
the USB 3.0 port.
IEEE1394 Connector: J1394_1
Ths connector allows you to connect the IEEE1394 devce va an optonal IEEE1394
bracket.
* The MB layout n ths 󰘰gure s for reference only.
1394 Bracket (optonal)
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