Gigabyte MS33-AR0 User Manual page 23

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.
10) F_USB3 (Front Panel USB 3.2 Gen1 Connector)
The connector/header conform to USB 3.2 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.
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11 10
Hardware Installation
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1
5
Pin No. Definition
1 PMBus Clock
2 PMBus Data
3 PMBus Alert
4 GND
5 3.3V Sense
Pin No. Definition Pin No. Definition
1 Power 11
2 IntA_P1_SSRX- 12
3 IntA_P1_SSRX+ 13
4 GND 14
5 IntA_P1_SSTX- 15
6 IntA_P1_SSTX+ 16
7 GND 17
8 IntA_P1_D- 18
9 IntA_P1_D+ 19
10 NC 20
IntA_P2_D+
IntA_P2_D-
GND
IntA_P2_SSTX+
IntA_P2_SSTX-
GND
IntA_P2_SSRX+
IntA_P2_SSRX-
Power
No Pin