Asus M5A78L M LX User Manual

4. System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
• System power LED (2-pin PLED)
This 2-pin connector is for the system power LED. Connect the chassis power LED
cable to this connector. The system power LED lights up when you turn on the system
power, and blinks when the system is in sleep mode.
• Hard disk drive activity LED (2-pin +HDLED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable
to this connector. The HDD Activity LED lights up or ashes when data is read from or
written to the HDD.
• Power/Soft-off button (2-pin PWRBTN)
This 2-pin connector is for the system power button.
• Reset button (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.
M5A78L-M LX
PIN 1
PWRBTN
PLED+ PLED- PWR GND
IDE_LED+
IDE_LED-
Ground
Reset
F_PANEL
PLED
+HDLED RESET
M5A78L-M LX System panel connector
5. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
M5A78L-M LX
M5A78L-M LX Speaker out connector
+5V GND GND Speaker Out
SPEAKER
PIN 1
Chapter 1: Product introduction1-24

Asus M5A78L M LX Specifications

General

ECC	Yes
Memory channels	Dual-channel
Number of memory slots	2
Maximum internal memory	8 GB
Supported memory clock speeds	1066, 1600, 1800 MHz
System bus rate	5.2 GT/s
Processor socket	Socket AM3
Processor manufacturer	AMD
Compatible processor series	AMD Phenom II X2, AMD Phenom II X4, AMD Phenom II X6
USB 2.0 connectors	3
Number of SATA connectors	6
Number of Parallel ATA connectors	0
USB 2.0 ports quantity	4
Audio chip	Realtek ALC887
Component for	PC
Power source type	ATX
Motherboard chipset	AMD 760G
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Motherboard southbridge	AMD SB710
Compatible operating systems	DOS Windows XP Windows XP 64bit Windows Vista 32bit Windows Vista 64bit Windows 7 Windows 7 64bit
Graphics card	Radeon 3000
Maximum graphics card memory	1024 MB
Parallel processing technology support	Hybrid CrossFireX
RAID levels	0, 1, 10, JBOD
Trial software	Antivirus
Bundled software	ASUS PC Probe II ASUS Update
LAN controller	Realtek RTL8111E
Ethernet interface type	Gigabit Ethernet
BIOS type	AMI
ACPI version	2.0a
BIOS memory size	16 Mbit

Weight and Dimensions

Depth	203 mm
Width	244 mm