22
Rear I/O Panel
USB 3.1 Gen2  (Z170A TOMAHAWK/ 
Z170A TOMAHAWK AC/ 
B150A TOMAHAWK/ B150A 
TOMAHAWK AC)
USB 2.0  (B150 TOMAHAWK/  
B150 TOMAHAWK AC)
USB 3.1 Gen1
Rear I/O Panel
PS/2 LAN
Audio Ports
Link/ Activity LED
Status Description
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Status Description
Off 10 Mbps connection
Green 100 Mbps connection
Orange 1 Gbps connection
LAN Port LED Status Table
USB 2.0
DVI-D
Clear 
CMOS
Audio Ports Configuration
Audio Ports
Channel
2 4 6 8
Center/ Subwoofer Out  
Rear Speaker Out   
Line-In/ Side Speaker Out 
Line-Out/ Front Speaker Out    
Mic In
(: connected, Blank: empty)