ECS A790GXM-AD3 User Manual

22
Installing the Motherboard
Front Panel Header
The front panel header (PANEL) provides a standard set of switch and LED headers
commonly found on FULL ATX, ATX or Micro ATX cases. Refer to the table below
for information:
ATX4P: Auxiliary Power Connector for Graphics Interface
Pin Signal Name
4 +12V
3 GND
2 GND
1 NC
Make sure to connect a 4-pin ATX power cable to ATX4P; otherwise,
the system will be unstable.
ATX12V: ATX 12V Power Connector
Pin Signal Name
4 Ground
3 Ground
2 Ground
1 Ground
Pin Signal Name
5 +12V
6 +12V
7 +12V
8 +12V
SPK: Internal speaker
Pin Signal Name
1 VCC
2 Key
3 NC
4 Signal
Pin Signal Function Pin Signal Function
1 HD_LED_P Hard disk LED (+)
2 FP PWR/SLP *MSG LED (+)
3 HD_LED_N Hard disk LED (-)
5 RST_SW_N Reset Switch (-)
7 RST_SW_P Reset Switch (+)
9 RSVD Reserved
4 FP PWR/SLP *MSG LED (-)
6 PWR_SW_P Power Switch (+)
8 PWR_SW_N Power Switch (-)
10 Key No pin
* MSG LED (dual color or single color)

ECS A790GXM-AD3 Specifications

General

Number of memory slots	4
Maximum internal memory	32 GB
Processor socket	Socket AM3
Processor manufacturer	AMD
USB 2.0 connectors	3
Power fan connector	Yes
Number of SATA connectors	6
Number of EATX power connectors	1
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.
Firewire (IEEE 1394) ports	0
Audio chip	Realtek ALC888
Motherboard chipset	AMD 790GX
Audio output channels	7.1 channels
Motherboard form factor	ATX
PCI Express x16 slots	2
Controller interface type	AMD SB750
Controller 2nd interface type	JMB 361
Graphics card	Radeon HD 3300
RAID levels	0, 1, 10
LAN controller	Realtek RTL8111C
Networking features	Gigabit Ethernet
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	244 mm
Width	305 mm