MSI Z77 User Guide - Page 40

damage.

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Getting Started JUSB4: USB 3.0 Expansion Connector The USB 3.0 port is backwards compatible with USB 2.0 devices. It supports data transfer rates up to 5Gbits/s (SuperSpeed). 115V 111.U2S1.U3B1S.2G4B.1.0rU25o+..Su10Un6B-S1d.3G7B_1.r3TU8o1_X.uSU9Tn_B.2XSdCP30_Bo__.C3NwDR__oePXRDrP_XNDin_PDN 109.G.U8roS. Uu7Bn.S2G6d.B.r0Uo25+Su..0Un4B-d.S3G3B_.rT3Uo2X_uS.UT1_nB.XCdSP3_B__oCD3Rw__PXeDRr_NXD_PDN * The MB layout in this figure is for reference only. USB 3.0 Bracket (optional) Important • Note that the VCC and GND pins must be connected correctly to avoid possible damage. • To use a USB 3.0 device, you must connect the device to a USB 3.0 port through an optional USB 3.0 compliant cable. JCI1: Chassis Intrusion Connector This connector connects to the chassis intrusion switch cable. If the computer case is opened, the chassis intrusion mechanism will be activated. The system will record this intrusion and a warning message will flash on screen. To clear the warning, you must enter the BIOS utility and clear the record. 1.C2.IGNTroRuUnd 1-28

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1-28
Gett±ng Started
JUSB4: USB 3.0 Expans±on Connector
The USB 3.0 port ±s backwards compat±ble w±th USB 2.0 dev±ces. It supports data trans-
fer rates up to 5Gb±ts/s (SuperSpeed).
5.
USB3_TX_C_DN
4.Ground
3.USB3_RX_DP
2.USB3_RX_DN
1.Power
10.Ground
9.
+
USB2.0
8.
-
USB2.0
7.Ground
6.USB3_TX_C_DP
20.No Pin
19.Power
18.USB3_RX_DN
17.USB3_RX_DP
16.Ground
15.USB3_TX_C_DN
14.USB3_TX_C_DP
13.Ground
12.USB2.0 -
11.
+
USB2.0
* The MB layout ±n th±s figure ±s for reference only.
USB 3.0 Bracket (opt±onal)
Important
Note that the VCC and GND p±ns must be connected correctly to avo±d poss±ble
damage.
To use a USB 3.0 dev±ce, you must connect the dev±ce to a USB 3.0 port through an
opt±onal USB 3.0 compl±ant cable.
JCI1: Chass±s Intrus±on Connector
Th±s connector connects to the chass±s ±ntrus±on sw±tch cable. If the computer case ±s
opened, the chass±s ±ntrus±on mechan±sm w±ll be act±vated. The system w±ll record th±s
±ntrus±on and a warn±ng message w±ll flash on screen. To clear the warn±ng, you must
enter the BIOS ut±l±ty and clear the record.
1.CINTRU
2.Ground
•
•