ECS H55H-M User Manual

17
Installing the Motherboard
F_USB1~2: Front Panel USB headers
The motherboard has four USB ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB connector to connect the front-mounted
ports to the motherboard.
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
SPDIFO: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
Pin Signal Name Function
1 SPDIF SPDIF digital output
2 +5VA 5V analog Power
3 Key No pin
4 GND Ground
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 USB_FP_P0- USB Port 0 Negative Signal
4 USB_FP_P1- USB Port 1 Negative Signal
5 USB_FP_P0+ USB Port 0 Positive Signal
6 USB_FP_P1+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 USB_FP_OC0 Overcurrent signal
Pin Signal Name Function
CASE: Chassis Intrusion Detect Header
Short Case Open
Open Case Close
Pin 1-2 Function
ME_UNLOCK: ME Unlock Header
1-2 Unlock
Float Lock
Pin 1-2 Function

ECS H55H-M Specifications

General

Number of memory slots	2
Maximum internal memory	8 GB
Processor socket	LGA 1156 (Socket H)
Processor manufacturer	Intel
S/PDIF out connector	Yes
Number of SATA connectors	6
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.
Ethernet LAN (RJ-45) ports	1
Firewire (IEEE 1394) ports	0
Audio chip	VIA VT1705
Power source type	ATX
Audio output channels	5.1 channels
Motherboard form factor	micro ATX
LAN controller	Atheros AR8131M
Networking features	Gigabit Ethernet
ACPI version	3.0
BIOS memory size	16 Mbit

Weight and Dimensions

Depth	200 mm
Width	244 mm