6.
USB connectors (10-1 pin USB56, USB78, USB910)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
480Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
M4A78LT-M PLUS
PIN 1
USB+5
V
USB_P10-
GND
NC
USB+5
V
USB_P9
-
USB_P9
+
GND
USB910
USB78
PIN 1
USB+5
V
USB_P8
-
USB_P8
+
GND
NC
USB+5
V
USB_P7
-
USB_P7
+
GND
USB56
PIN 1
USB+5
V
USB_P6
-
USB_P6
+
GND
NC
USB+5
V
USB_P5
-
USB_P5
+
GND
M4A78LT-M PLUS USB2.0 connectors
7.
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.
PIN 1
LPT
STB# PD
0
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
PD
7
ACK# BUSY
PE
SLCT
AF
D
ERR# INIT
#
SLIN
#
GND GND GND GND GND GND GND GND
M4A78LT-M PLUS
M4A78LT-M PLUS LPT Connector
Chapter 1: Product introduction
1-26
