7A2000
Comprehensive desktop chipset with integrated graphics, DDR4 memory controller, PCIe 3.0, SATA, and USB for 3A5000 pr...
Product Overview
Description
The Loongson 7A2000 is a feature-rich desktop chipset designed to complement the 3A5000 processor in desktop and workstation platforms.
Integrating graphics engine, DDR4 memory controller, PCIe 3.0, SATA 3.0, and USB 3.0, the 7A2000 provides a complete platform solution.
The chipset enables cost-effective desktop motherboard designs while providing modern I/O connectivity and expansion options.
Product Series
Chipsets and Bridge Chips
Primary Application
Desktop computer motherboards
Key Features
- Integrated graphics engine with HDMI and VGA output
- DDR4 memory controller supporting dual channel operation
- PCIe 3.0 x16 and multiple x1 lanes for expansion
- SATA 3.0 controller for storage connectivity
- USB 3.0 and USB 2.0 host controllers
- HD Audio interface for audio output
- LPC and SMBus for legacy and management interfaces
Specifications
| Function | Desktop Platform Chipset |
|---|---|
| Interfaces | PCIe 3.0, SATA 3.0, USB 3.0, HD Audio |
| Graphics | Integrated 2D/3D Graphics |
| Memory | DDR4 Controller |
| Package | FCBGA |
| Power | 5-10W typical |
Applications
Desktop computer motherboards
Electronic system design
Workstation platforms
Electronic system design
All-in-one PC designs
Electronic system design
Industrial panel PCs
Industrial automation and control
FAE Expert Insights
"The 7A2000 chipset completes the Loongson desktop platform by providing essential I/O and graphics capabilities. In my experience with motherboard designs, the 7A2000 integration level significantly reduces BOM cost and design complexity compared to discrete implementations. The integrated graphics are adequate for desktop productivity applications and basic media playback. PCIe connectivity supports modern expansion cards including NVMe SSDs and graphics cards. The chipset's power consumption is reasonable for desktop applications. Driver support in Linux is mature and stable. For customers designing custom motherboards, the 7A2000 reference design provides an excellent starting point. I recommend this chipset for any 3A5000-based desktop or workstation design."
High integration level reduces BOM cost and simplifies desktop motherboard design.
— Kevin Liu, BeiLuo
Frequently Asked Questions
What graphics capabilities does the 7A2000 provide?
The Loongson 7A2000 integrates a 2D/3D graphics engine suitable for desktop productivity and basic multimedia applications. The graphics subsystem supports 2D acceleration for desktop composition and window management. 3D graphics support includes OpenGL ES 2.0 for basic 3D applications. Maximum display resolution is 1920x1200 at 60Hz through HDMI or VGA interfaces. Dual independent display output is supported for extended desktop configurations. Video playback acceleration is provided for common formats including H.264. Graphics performance is comparable to entry-level integrated graphics in other desktop platforms. For gaming or professional graphics applications, discrete graphics cards can be added via the PCIe x16 slot.
Evaluate graphics requirements for your application. Integrated graphics are suitable for productivity; add discrete GPU for advanced graphics needs.
How many PCIe lanes does the 7A2000 provide?
The Loongson 7A2000 provides flexible PCIe lane configuration to support various expansion options. The chipset provides up to 20 PCIe 3.0 lanes that can be configured as x16 for graphics plus x4 for storage, or multiple x4 and x1 configurations for various expansion cards. The processor provides additional PCIe lanes for direct device connection. Total system PCIe bandwidth supports high-speed NVMe storage and graphics card simultaneous operation. PCIe lane bifurcation allows flexible slot configurations. Reference designs demonstrate typical PCIe topologies for desktop and workstation applications. The PCIe implementation is compatible with standard PCIe devices including graphics cards, network cards, and storage controllers.
Plan PCIe configuration based on expansion requirements. We can provide PCIe topology recommendations for your system design.
Does the 7A2000 support modern storage interfaces?
Yes, the Loongson 7A2000 supports modern storage interfaces for high-performance storage solutions. The chipset includes SATA 3.0 controllers supporting 6Gbps data rates for SSD and hard drive connectivity. Multiple SATA ports enable storage expansion and RAID configurations. NVMe storage is supported through PCIe M.2 slots connected to processor or chipset PCIe lanes. USB 3.0 ports support external storage devices at high speeds. The storage subsystem provides performance comparable to other modern desktop platforms. TRIM support is available for SSD optimization. Hot-plug support depends on system implementation and software configuration.
Use SATA for cost-effective storage, NVMe for maximum performance. We can provide storage configuration guidance.
What audio capabilities does the 7A2000 provide?
The Loongson 7A2000 includes HD Audio interface support for modern audio solutions. The chipset provides the controller interface for connecting external HD Audio codecs. Multi-channel audio output is supported depending on the codec implementation. Typical implementations support 5.1 or 7.1 channel analog output. Digital audio output is available through HDMI for home theater applications. Audio quality depends on the external codec and analog circuit design. Microphone input and line-in are supported for recording applications. Linux ALSA driver support is available for the HD Audio interface. Reference designs include proven audio codec implementations.
Select audio codec based on audio quality requirements. Reference designs provide proven implementations.
Is the 7A2000 suitable for industrial applications?
The Loongson 7A2000 is primarily designed for commercial desktop applications with 0°C to 70°C operating temperature. For industrial applications, the 7A1000 embedded chipset with industrial temperature grade is recommended. Industrial applications requiring 7A2000 features may consider custom thermal management solutions. The chipset's reliability characteristics are suitable for industrial use with proper thermal design. For panel PC and industrial workstation applications, the 7A2000 can be used with appropriate chassis cooling. Extended temperature testing may be available for specific industrial programs. Contact our technical team to discuss industrial application requirements and solutions.
Consider 7A1000 for industrial temperature requirements. Evaluate thermal design for industrial 7A2000 applications.