ECS H55H-I User Manual

18
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

ECS H55H-I Specifications

General

Number of memory slots	2
Maximum internal memory	8 GB
Supported memory clock speeds	1066, 1333 MHz
Processor socket	-
Compatible processor series	Intel Core i3, Intel Core i5
S/PDIF out connector	Yes
Number of SATA connectors	4
Number of Parallel ATA connectors	0
USB 2.0 ports quantity	6
Audio chip	Realtek ALC892
Power source type	ATX
Audio output channels	- channels
Motherboard form factor	mini ITX
On-board graphics card	No
Parallel processing technology support	Not supported
LAN controller	Realtek RTL8111D(L)
Networking features	Gigabit Ethernet
BIOS type	AMI
BIOS memory size	64 Mbit

Weight and Dimensions

Width	170 mm