Asus M4A78-EM/1394 BIOS 0309

CPUAMD Socket AM2+ / AM2 Phenom X4/Phenom X3/Athlon 64 X2/Athlon /Sempron Processors
Support AM3 Phenom II / Athlon X4 / Athlon X3 / Athlon X2 Processors
AMD Cool 'n' Quiet Technology
Support 45nm CPU
Support CPU up to 125W
*Refer to www.asus.com for the AMD CPU support list
 ChipsetAMD 780G/SB710

System BusUp to 5200 MT/s HyperTransport 3.0 interface for AM3 / AM2+ CPU
2000 / 1600 MT/s for AM2 CPU
 Memory4 x DIMM, Max. 16 GB, DDR2 1200(O.C.)/1066*/800/667 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*Due to AMD CPU limitation, DDR2 1200/1066 is supported by AM2+/AM3 CPU for one DIMM per channel only.
*We recommend that you install the DDR2 1200 memory modules on the yellow slots for better performance.
*Due to OS limitation, when installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
*Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List)
 Expansion Slots1 x PCIe x16
1 x PCIe x1
2 x PCI

VGAIntegrated ATI Radeon HD3200
Max. shared memory: 256 MB
Supports DVI-D with HDCP compliant with max. resolution 2560x1600 (@ 60Hz dual-link)
Supports HDMI Technology with max. resolution up to 1920 x 1200 (1080P)
Supports RGB with max. resolution 2048 x 1536 (@85Hz)
Hybrid CrossFireX Support (For Windows Vista only)
Dual VGA output support:
RGB & DVI
RGB & HDMI
*Refer to www.amd.com for the Hybrid CrossFireX selected GPUs.
*To playback the HD-DVD and Blu ray Disc we recommended system configuration above Graphic shared memory 256MB/Dual-Core CPU minimum/Minimum 1GB memory of Dual-channel DDR2 667 or Single -chanel DDR2 800.
 StorageChipset
1 xUltraDMA 133/100
5 xSATA 3 Gb/s ports Support RAID 0,1,10
1 x External SATA 3Gb/s support JBOD

*Due to the Windows XP/ Vista limitation, the RAID array with the total capacity over 2TB cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk only.
 LANPCIe Gb LAN

 AudioALC887 High Definition Audio 8 -Channel CODEC
Supports Jack-detect and Multistreaming teconologies
Supports S/PDIF out interface

 USB12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)

 Overclocking FeaturesSFS (Stepless Frequency Selection)
- FSB tuning from 200MHz to 550MHz at 1MHz increment
Adjustable DRAM Voltage
ASUS C.P.R.(CPU Parameter Recall)

 Special Features- ASUS EPU-4 Engine
- ASUS Express Gate
- ASUS Turbo Key
- ASUS Q-Fan
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- ASUS AI NET 2
- All solid capacitor

 Back Panel I/O Ports1 x DVI
1 x VGA
1 x HDMI
1 x External SATA
1 x IEEE 1394a
1 x LAN(RJ45) port
6 x USB 2.0/1.1
8 -Channel Audio I/O
1 x PS/2 Mouse / Keyboard port 1 x Optical S/PDIF_OUT port

 Internal I/O Connectors3 x USB connectors supports additional 6 USB 2.0 ports
1 x IDE connector
5 x SATA connectors
1 x IEEE 1394a connector
1 x LPT connector
1 x S/PDIF Out connector
1 x CPU / 1 x Power / 1 x Chassis Fan connectors
1 x CD audio-in connector
1 x High Definition Front panel audio connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V Power connector
1 x COM connector
1 x System Panel connector
BIOS8 Mb Flash ROM
AMI BIOS, PnP, DMI v2.0, WfM2.0, ACPI v2.0a, SMBIOS 2.5
AccessoriesUser's manual
1 x I/O Shield
1 x UltraDMA 133/100/66 cable
1 x SATA cable
Support DiscDrivers
ASUS PC Probe II
Anti-virus software (OEM version)
ASUS LiveUpdate Utility
Form FactoruATX Form Factor
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )