AMD-760 Chipset Overview

The AMD-760™ chipset is a two-chip solution, and includes the high-performance AMD-761™ System Controller (a.k.a. Northbridge) and the advanced AMD-766 Peripheral Controller (a.k.a. Southbridge). The AMD-761™ System Controller delivers next-generation platform performance by supporting AMD Athlon processors with a 200 MHz or 266MHz front side bus, PC-1600/PC-2100 DDR SDRAM, 4xAGP graphics, and a 33MHz PCI bus.

The AMD-761™ System Controller delivers application data to the processor at a scintillating peak rate of 2.1GB/sec's - twice that of competitive platforms - and uses large 64 byte burst transfers - also twice the size of other solutions - which provides for higher sustainable data transfer bandwidth. With such tremendous data transfer bandwidth capability, the AMD-761™ System Controller can now enable emerging applications such as visual internet computing and HDTV video streaming.

The AMD-761™ supports up to 4 Gigabytes of PC-1600/PC-2100 DDR SDRAM, providing computer manufacturers the flexibility and scalability to deliver high-performance systems from mainstream consumer and commercial desktops to high-end workstations and servers. The AMD-761™ System Controller supports Error Correcting Code (ECC) and memory scrubbing which detects and corrects fatal memory errors in systems, thereby providing IT managers with peace-of-mind computing. The AMD-761™ System Controller supports 4xAGP graphics cards, thus enabling superior graphics performance such as higher resolution 3D images, uninterrupted soft-DVD playback, and better visual Internet computing. Furthermore, 4xAGP provides over 1.06GB/sec of peak graphics data bandwidth - twice that of today's 2xAGP technology. And since the AMD-761™ System Controller supports today's PCI cards, IT managers and system integrators save time and money when upgrading to or building systems based on the AMD Athlon processor and the AMD-760™ chipset, thus providing seamless integration and higher productivity to corporations and customers. Therefore, the AMD-761™ delivers best of class platform performance and reliability for the corporate desktop, workstation, and server user. The AMD-761™ System Controller is available in a 2.5V, 569-pin PBGA package.

The companion to the AMD-761™ System Controller is the AMD-766 Peripheral Controller. The AMD-766 Peripheral Controller connects to the PCI bus and supports legacy PC features. It includes two high-speed enhanced Ultra-DMA 100 (100MB/sec) IDE controllers, a root USB hub for four USB devices, the new Low Pin Count (LPC) interface, an I/O Advanced Programmable Interrupt Controller (APIC), and includes support for both Advanced Configuration and Power Interface (ACPI) and Advanced Power Management (APM). The enhanced IDE controllers support all existing Ultra-DMA 33/66 devices such as CD-ROMs, DVD-ROM, and hard drives as well as the newer high-bandwidth Ultra-DMA 100 devices for the latest hard drives. Ultra-DMA 100 devices supply over 100MB/sec - or 33% more than today's devices - of data to the system which significantly decreases the time needed to launch applications, backup large amount of data, download or copy files.

The AMD-766 Peripheral Controller's USB hub allows the user to add up to four USB devices to the system including devices such as cameras, scanners, modems, speakers, keyboard/mouse, joysticks, or portable media backup devices to the system. This capability provides the computer manufacturer with maximum flexibility when configuring a system for a specific market. With advance power management support, the AMD-766™ Peripheral Controller enables the operating system to turn off devices during long periods of inactivity to preserve power consumption and reduce noise.

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