ECS A790GXM-AD3 User Manual

11
Installing the Motherboard
Installation Procedure
Refer to the following to install the memory modules.
1 This motherboard supports unbuffered DDR3 SDRAM only.
2 Push the latches on each side of the DIMM slot down.
3 Align the memory module with the slot. The DIMM slots are keyed with
notches and the DIMMs are keyed with cutouts so that they can only be
installed correctly.
4 Check that the cutouts on the DIMM module edge connector match the
notches in the DIMM slot.
5 Install the DIMM module into the slot and press it firmly down until it
seats correctly. The slot latches are levered upwards and latch on to
the edges of the DIMM.
6 Install any remaining DIMM modules.
For best performance and compatibility, we recommend that users install
DIMMs in the sequence of DIMM3, DIMM4, DIMM1 and DIMM2.
Recommend configuration for best performance and compatibility
Number of DIMMs DIMM 1 DIMM 2 DIMM 3 DIMM 4 AM3
1
Single Channel
2
Dual Channel
3
Single Channel
4
Dual Channel
: operation with normal performance
: operation with the best performance

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