RS232 3pin

RS232簡單接法(3線)

RS485

Line Termination Resistor Calculator: http://www.alciro.org/tools/RS-485/RS485-resistor-termination-calculator.jsp

USB3

VBUS/GND: shared by USB2/3; D-/D+: USB2 only.


https://en.wikipedia.org/wiki/USB_3.0

PCI-E

https://en.wikipedia.org/wiki/PCI_Express#Pinout 

side A: PRSNT1# shorter than the rest | side B: component side
×1/4/8/16 cards end at pin 18/32/49/82  
+12 V power: 75 W (6-pin) or 150 W (8-pin) | 300 W total (2 × 75 W + 1 × 150 W)

DVI/HMDI

DVI: http://www.alciro.org/alciro/conectores_26/conector-DVI-interfaz-visual-digital_269_en.htm

C1  Red analog  
C2  Green analog    
C3  Blue analog 
C4  Analog horizontal sync  
C5  Ground (analog) Return for analog signals

HDMI to DVI-D: http://www.alciro.org/alciro/conectores_26/patillas-cable-HDMI-a-DVI-D_274_en.htm