Asus H81M2 - Manual (Page 27)

ASUS H81M2 1-19
11. USB 3.0 connector (20-1 pin USB3_E12)
This connector is for additional USB 3.0 ports. Connect the USB 3.0 bracket cable to
this connector, then install the USB 3.0 bracket to the rear side of the chassis. If your
chassis supports front panel ports, you can use the ASUS USB 3.0 header to install
additional front panel USB 3.0 ports.
H81M2
H81M2 USB3.0 Front panel connector
USB3_E12
USB3+5V
IntA_P1_SSRX-
IntA_P1_SSRX+
IntA_P1_SSTX-
GND
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+
12. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT
standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
H81M2
H81M2 Parallel Port Connector
PIN 1
LPT
STB# PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 ACK# BUSY
PE
SLCT
AFD ERR# INIT# SLIN# GND GND GND GND GND GND GND GND
10. Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you hear system beeps and warnings.
+5V GND GND Speaker Out
SPEAKER
PIN 1
H81M2
H81M2 Speaker Out connector