ECS A790GXM-AD3 User Manual

5
Introducing the Motherboard
Table of Motherboard Components
LABEL COMPONENTS
1. CPU Socket
Socket for AMD Phenom
TM
II processor (socket AM3)
2. CPU_FAN
CPU cooling fan connector
3. DIMM1~4
240-pin DDR3 SDRAM slots
4. ATX_POWER
Standard 24-
p
in ATX
p
ower connector
5. PWR_FAN
Power cooling fan connector
6. SYS_FAN
System cooling fan connector
7. SATA1~6
Serial ATA connectors
8. PWR_BTN
Power on button
9. PANEL
Front Panel switch/LED header
10. SPK
Internal speaker header
11. RST_BTN
Reset button
12. IDE
Primary IDE connector
13. F_USB1~3
Front Panel USB headers
14. SPDIFO
SPDIF out header
15. F_AUDIO
Front Panel Audio header
16. PCI1~2
32-bit add-on card slots
17. PCIE16X_1~2
PCI Express x16 slots for graphics interface
18. PCIE1~2
PCI Express x1 slots
19. ATX4P
Auxiliary power connector for graphics card
20. NB_FAN
Northbridge cooling fan connector
21. ATX12
V
8-pin +12V power connector
This concludes Chapter 1. The next chapter explains how to install the motherboard.

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