Asus H81M-C User Manual

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Chapter 1: Product introduction
9. System panel connector (10-1 pin PANEL)
This connector supports several chassis-mounted functions.
• System power LED (2-pin PWR_LED)
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 HDD_LED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable
to this connector. The HDD LED lights up or ashes when data is read from or written
to the HDD.
• ATX power button/soft-off button (2-pin PWR_BTN)
This 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.
H81M-C
PIN 1
PWR_BTN
PWR_LED+ PWR_LED- PWR GND
HDD_LED+
HDD_LED-
Ground
HWRST#
(NC)
F_PANEL
PWR_LED
+HDD_LED RESET
H81M-C System panel connector
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.
H81M-C Speaker Out connector
+5V GND GND Speaker Out
SPEAKER
PIN 1
H81M-C

Asus H81M-C Specifications

General

Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR3-SDRAM
Maximum internal memory	16 GB
Supported memory clock speeds	1066, 1333, 1666 MHz
Processor socket	LGA 1150 (Socket H3)
Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Pentium
S/PDIF out connector	Yes
Number of COM connectors	1
Number of SATA connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio chip	Realtek ALC887
Component for	PC
Power source type	ATX
Motherboard chipset	Intel® H81
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64
Supported storage drive interfaces	SATA II, SATA III
Maximum resolution	1920 x 1200 pixels
Maximum graphics card memory	1024 MB
Parallel processing technology support	Not supported
Cables included	SATA
LAN controller	Realtek RTL8111G
Ethernet interface type	Gigabit Ethernet
BIOS type	AMI
ACPI version	2.0a
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	178 mm
Width	244 mm