Asus M4A78 - Manual (Page 13)

PCI Express Architecture
PCI Express is the latest I/O interconnect technology that will replace
the existing PCI. With a bus bandwidth 4 times higher than that of AGP
8X interface, PCI Express x16 bus performs much better than AGP 8X in
applications such as 3D gaming.
SATA on the Go
This motherboard supports hard drives based on the Serial ATA (SATA)
3Gb/s stroage specification, delivering enhanced scalability and doubling
the bus bandwidth for high-speed data retrieval and saves. The external
SATA port located at the back I/O provides smart setup and hot-plug
functions. Easily back up photos, videos, and other entertainment
contents on external devices.
S/PDIF-out on back I/O port
This motherboard provides convenient connectivity to external home
theater audio systems via coaxial and optical S/PDIF-out (SONY-PHILIPS
Digital Interface) jacks. It allows you to transfer digital audio without
converting to analog format and keeps the best signal quality.
Serial ATA 3Gb/s technology
The motherboard supports next-generation SATA hard drives based
on the new SATA 3Gb/s storage specification. The onboard SB700
southbridge allows RAID 0, RAID 1, RAID 0+1, and JBOD (only for
Windows ® Vista OS) configurations for Serial ATA drives.
Max. 12 USB 2.0 ports supports
USB 2.0 is the latest connectivity standard for next generation
components and peripherals. Backwards compatible with current USB
1.1 peripherals, USB 2.0 delivers transfer speeds up to 40 times faster at
480Mb/s, for easy connectivity and ultra-fast data
1.3.2 Innovative ASUS features
ASUS EPU
The ASUS EPU (Energy Processing Unit) provides total system
power management by detecting current PC loadings and intelligently
moderating power in real-time. It automatically provides the most
appropriate power usage to save power and money!
Chapter 1: Product introduction 1-3