GIGA-BYTE TECHNOLOGY MZ72-HB2, User Manual

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Hardware Installation
10/11) F_USB3/ F_USB2 (USB 3.0 Connector/ 2.0 Header)
The connector/header conform to USB 2.0/ 3.0 specification. Each USB connector/header can provide two
USB ports via an optional USB bracket. For purchasing the optional USB bracket, please contact the local
dealer.
USB 2.0 Header
USB 3.0 Connector
Pin No. Definition Pin No. Definition
1 Power 11 In
2 IntA_P1_SSRX- 12 IntA_P2_D-
3 IntA_ 13 GND
4 GND 14 IntA_
5 IntA_P1_SSTX- 15 IntA_P2_SSTX-
6 IntA_ 16 GND
7 GND 17 IntA_
8 IntA_P1_D- 18 IntA_P2_SSRX-
9 In 19 Power
10 NC 20 No Pin
Pin No. Definition Pin No. Definition
1 Power (5V) 6 USB DY+
2 Power (5V) 7 GND
3 USB DX- 8 GND
4 USB DY- 9 No Pin
5 USB DX+ 10 No Connect
1 2
9 10
1 20
11 10
9) PMBus Connector
The Power Management Bus (PMBus) is a variant of the System Management Bus (SMBus) which is
targeted at digital management of power supplies.
5
1
Pin No. Definition
1 PMBus Clock
2 PMBus Data
3 PMBus Alert
4 GND
5 3.3V Sense