The AMD 900 chipset series is identical to the

AMD 800 chipset series The AMD 800 chipset series is a set of chipsets developed by AMD, released in 2009. The chipset series was revealed in its presentation slides during the AMD Financial Analyst Day 2007 held on December 13, 2007. This chipset series also marks th ...

except for the fact that it is only found on

Socket AM3+ AM3+ is a modification of the AM3 Socket, released in mid-2011, designed for CPUs which use the AMD Bulldozer microarchitecture and retains compatibility with AM3 processors. The Vishera line of AMD CPUs also all use Socket AM3+. It is the last A ...

mainboards, whereas its predecessor is only found on

Socket AM3 Socket AM3 is a CPU socket for AMD processors. AM3 was launched on February 9, 2009 as the successor to Socket AM2+, alongside the initial grouping of Phenom II processors designed for it. The sole principal change from AM2+ to AM3 is support for ...

mainboards. It was released in 2011. This allows consumers to easily identify the Socket through the chipset name. Socket AM3+ supports solely

Bulldozer (microarchitecture) The AMD Bulldozer Family 15h is a microprocessor microarchitecture for the FX and Opteron line of processors, developed by AMD for the desktop and server markets. Bulldozer is the codename for this family of microarchitectures. It was released ...

-based FX-processors. In support of AM3+ CPUs, AMD has validated the 9-Series chipset for use with HyperTransport 3.1 (up to 6.4GT/s). They also worked with NVIDIA to bring SLI support to this chipset series.

AMD OverDrive The AMD 700 chipset series (also called as AMD 7-Series Chipsets) is a set of chipsets designed by ATI for AMD Phenom processors to be sold under the AMD brand. Several members were launched in the end of 2007 and the first half of 2008, others ...

is supported for simplified overclocking.

Lineup

Common features of all chipsets in the 9xx series: * Supports AM3+ and AM3 processors *

PCI Express PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common ...

2.0 * IOMMU 1.26 *

SATA SATA (Serial AT Attachment) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. Serial ATA succeeded the earlier Parallel ATA (PATA) standard to ...

6 Gbit/s with Trim support * Up to 14

USB Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad ...

2.0

990FX

* Codenamed ''RD990'' * Four physical PCIe 2.0 ×16 slots @ x8 electrical which can be combined to create two PCIe 2.0×16 slots @ x16 electrical, six PCIe 2.0×1 lanes in various combinations of 1x 2x or 4x slots, and an additional PCIe 2.0x4 slot that does not exist on the 990x or 970 the chipset provides a total of 42 PCIe 2.0 lanes and 4 PCIe 2.0 for A-Link Express III solely in the Northbridge *

HyperTransport HyperTransport (HT), formerly known as Lightning Data Transport, is a technology for interconnection of computer processors. It is a bidirectional serial/parallel high-bandwidth, low- latency point-to-point link that was introduced on April 2 ...

3.0 up to 2600 MHz and

2.0 * ATI CrossFireX supporting up to four graphics cards * 19.6 Watt TDP * Southbridge: SB950 * Enthusiast discrete multi-graphics segment

990X

* Codenamed ''RD980'' * One physical PCIe 2.0×16 slot or two physical PCIe 2.0×16 slots @ ×8, one PCIe 2.0×4 slot and two PCIe 2.0×1 slots, the chipset provides a total of 22 PCIe 2.0 lanes and 4 PCIe 2.0 for A-Link Express III solely in the Northbridge *

3.0 up to 2600 MHz and

2.0 * Support for up to two graphics cards * 14 Watt TDP * Southbridge: SB950

980G

(Identical to 880G) * Codenamed ''RS880'' * Single AMD processor configuration * One physical PCIe 2.0 ×16 slot, one PCIe 2.0 ×4 slot and two PCIe 2.0 ×1 slots, the chipset provides a total of 22 PCIe 2.0 lanes and 4 PCIe 2.0 for A-Link Express III solely in the Northbridge *

Integrated graphics A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobi ...

: Radeon HD 4250 ** Side-port memory as local

framebuffer A framebuffer (frame buffer, or sometimes framestore) is a portion of random-access memory (RAM) containing a bitmap that drives a video display. It is a memory buffer containing data representing all the pixels in a complete video frame. Modern ...

, supporting

DDR3 Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM) is a type of synchronous dynamic random-access memory (SDRAM) with a high bandwidth (" double data rate") interface, and has been in use since 2007. It is the higher-spee ...

modules up to DDR3-1333. ** ATI PowerPlay 7.0 technology * HyperTransport 3.0 and PCI Express 2.0 *

ATI CrossFire AMD CrossFire (also known as CrossFireX) is a brand name for the multi-GPU technology by Advanced Micro Devices, originally developed by ATI Technologies. The technology allows up to four GPUs to be used in a single computer to improve graphics ...

** Hybrid CrossFireX

AMD 970

* Codenamed ''RX980'' * One physical PCIe 2.0 ×16 slot, one PCIe 2.0 ×4 slot and two PCIe 2.0 ×1 slots, the chipset provides a total of 22 PCIe 2.0 lanes and 4 PCIe 2.0 for A-Link Express III solely in the Northbridge *

3.0 up to 4800 MT/s and

2.0 * 13.6 Watt TDP * Southbridge: SB950/SB920

Southbridge

The SB950 is the companion southbridge that provides I/O support. It provides the following additional capabilities: *

RAID Raid, RAID or Raids may refer to: Attack * Raid (military), a sudden attack behind the enemy's lines without the intention of holding ground * Corporate raid, a type of hostile takeover in business * Panty raid, a prankish raid by male college ...

0, 1, 10, 5 support

Southbridge issues (SB9x0)

*Linux platform: **

HPET The High Precision Event Timer (HPET) is a hardware timer available in modern x86-compatible personal computers. Compared to older types of timers available in the x86 architecture, HPET allows more efficient processing of highly timing-sensitiv ...

operation with MSI causes LPC DMA corruption on devices using LPC DMA (floppy, parallel port, serial port in FIR mode) because MSI requests are misinterpreted as DMA cycles by the broken LPC controllerhttps://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=73472a46b5b28116b145fb5fc05242c1aa8e1461 **Enabling multiple MSI vectors for the SATA controller when three or more SATA ports are used results in loss of interrupts and system hang.

References

External links

AMD 9-Series Chipset
{{AMD CPU sockets AMD chipsets