Mainboard D3488 English - 21
USB 2.0 port (internal)
PIN Signal
1 VCC AUX (safe mode)
2 Data negative
3 Data positive
Pin 1
4 GND
USB 3.0 port (internal) – Internal/Front
PIN Signal PIN Signal
1 VBus 20 Key
2 USB 3.0 Port 2 RX Neg 19 VBus
3 USB 3.0 Port 2 RX Pos 18 USB 3.0 Port 1 RX Neg
4 GND 17 USB 3.0 Port 1 RX Pos
5 USB 3.0 Port 2 TX Neg 16 GND
6 USB 3.0 Port 2 TX Pos 15 USB 3.0 Port 1 TX Neg
7 GND 14 USB 3.0 Port 1 TX Pos
8 USB 2.0 Port 2 Data Neg 13 GND
9 USB 2.0 Port 2 Data Pos 12 USB 2.0 Port 1 Data Neg
Pin 1
Pin 19
Pin 10 Pin 11
10 Over Current 11 USB 2.0 Port 1 Data Pos
High Definition Audio Front Panel Pin Connector (internal)
PIN Signal PIN Signal
1 HDA Port 1 Left 2 Analog GND
3 HDA Port 1 Right 4 FP Presence Detect
5 HDA Port 2 Left 6 Jack Sense Port 1
7 Jack Sense common 8 Key
Pin 1 Pin 2
9 HDA Port 2 Right 10 Jack Sense Port 1
Fujitsu 59