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Around the same time last year, we'd reviewed one of the best integrated chipsets from AMD (in terms of performance and value) for socket AM2 processors -- the 690G. In a way, they had also redefined on-board graphics to a large extent. Now, with the launch of the 780G, AMD has upped the bar by more than a few notches.
Based on the 55nm fabrication process, the 780G chipset (Codenamed RS780) hosts the new generation Integrated Graphics Processor (IGP) and is the first to use a DX10 and Shader model 4.0 compliant graphics core. It has an on-chip Unified Video Decoder (UVD), HT 3.0, DVI/HDMI interface, internal or external TMDS, and DisplayPort capability, each of which we'll discuss a little later in the article. It supports the new AM2+ socket interface, while retaining backward compatibility with the socket AM2 AMD Athlon and Sempron processors.

Powered by a Radeon HD 3200 graphics core, the 780G is capable of running DX10 games without the need for any "extra" hardware (read, a DX10 graphic card). And it's not just a DX10-enabled graphics core that we are celebrating here; with this new chipset, they have come up with what they term as ATI Hybrid Graphics technology.
Hybrid Graphics works in Vista (only) and can combine the power of the graphics card with the integrated graphics engine, giving you a "CrossFire-like" graphics performance at a very low cost.
Here's a small table that shows the innovations.


Any motherboard that uses the 780G chipset (northbridge) will make use of the SB700 southbridge. The northbridge (780G) has 26 PCI Express 2.0 lanes, out of which 16 are reserved for a single graphics slot, 4 are used for interfacing it with the SB700 southbridge, and the other 6 can be used for PCI-E x1 and PCI slots or other onboard peripherals.
Here's what the SB700 can do:
- Support 6 SATA 3.0 Gbps ports that can be setup in IDE, AHCI, JBOD,
RAID 0, RAID 1 or RAID 10 modes
- Supports 12 USB 2.0 and 2 USB 1.1 ports
- HyperFlash interface
- DASH 1.0
- 6 PCI slots
- HD Audio
- IDE, Serial and Parallel ports that give it unparalleled
compatibility with current as well as older hardware
That was a brief overview of what this new chipset is capable of. Let's talk in detail about the technical nuances that you should know as well.
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