One of the most critical sections of the AST2500 datasheet is the Advanced Video Engine (AVE) . Unlike the AST2400’s older Video Engine (VE), the AVE supports:
From the datasheet’s timing diagrams, engineers learn that the VGA input connects to the host server’s GPU output. The AVE captures this analog/digital signal, compresses it, and sends it over the network to a remote client like a web browser or IPMIView.
The Aspeed AST2500 is not glamorous. It runs at 800MHz; it doesn't have multiple cores; its GPU is 2D-only. But when you read its datasheet line-by-line, you understand why it dominates the server BMC market: it is robust, well-documented, and impeccably designed for remote manageability.
Whether you are designing a switch, a storage array, or a router, the AST2500 datasheet provides everything you need to implement:
As server architectures move towards the Open Compute Project (OCP) and DC-SCM standards, the AST2500 remains a reference point for what a good BMC should be. For your next server motherboard layout or OpenBMC port, keep the AST2500 datasheet open on one monitor – it will answer 90% of your hardware questions.
Final Word: Always verify the revision of your AST2500 (e.g., AST2500-A2 vs. A3). As the datasheet’s revision history shows, later steppings fix errata related to USB hub stability and I2C clock stretching. Happy engineering.
Related Keywords: Aspeed AST2500 datasheet PDF, AST2500 BMC specifications, AST2500 vs AST2600, server BMC design, IPMI 2.0 controller.
Aspeed AST2500 is a 6th-generation Server Management Processor (BMC) designed for high-performance remote management and local 2D graphics rendering in server environments. It is a standard component in modern data centers, providing out-of-band management through its integrated Intelligent Platform Management Interface (IPMI) capabilities. ASPEED Technology Inc. Core Specifications Processor: Integrated running at Memory Support: Supports both DDR3 (800Mbps) DDR4 (1600Mbps) SDRAM with a 16-bit data bus and capacity up to PCIe 2D VGA controller supporting resolutions up to 1920x1200 @ 60Hz Networking: 10/100/1000 Mbps MACs for dedicated management LAN connectivity. Packaging: TFBGA package (19mm x 19mm). ASPEED Technology Inc. Key Features & Capabilities Remote Management (iKVM):
Supports Video-over-IP for remote redirection and USB-over-IP for virtual hub controllers, allowing administrators to manage servers as if they were physically present. Hardware Monitoring:
Integrated ADC (up to 16 channels) and hardware monitors for system health tracking (temperature, voltage, fan speed). Interface Support: Native PCIe support for host communication. LPC / eSPI bus for legacy peripheral and firmware hub communication. USB 2.0/1.1 host and device controllers. memory support for firmware storage. Operating System Support:
Compatible with major server OSs including Windows Server (2008 R2, 2012 R2), RHEL, SLES, Ubuntu, and FreeBSD. ASPEED Technology Inc. Environmental & Thermal Limits Operating Temperature: Typically rated for -40°C to 85°C Compliance: RoHS compliant, lead-free, and halogen-free.
For technical integration, you can find detailed programming and hardware guidelines on the official ASPEED AST2500 product page or by reviewing hardware manuals from vendors like that utilize this BMC. with the AST2510 or AST2520 variants? AST2500 - ASPEED Technology
Table_title: AST2500 Table_content: header: | Product Name | AST2500 Advanced PCIe Graphics & Remote Management Processor | row: | ASPEED Technology Inc. AST2500 - ASPEED Technology Aspeed Ast2500 Datasheet
To truly appreciate the AST2500 datasheet, you must understand where it sits in Aspeed’s product line.
| Feature | AST2400 (Legacy) | AST2500 (Current Workhorse) | AST2600 (Next-Gen) | | :--- | :--- | :--- | :--- | | CPU Core | ARM9 (384 MHz) | ARM11 (800 MHz) | Dual-core ARM Cortex-A35 (1.2 GHz) | | DRAM | DDR2/DDR3 (512MB) | DDR3/DDR4 (2GB, ECC) | DDR4 (8GB, ECC) | | Video Encoding | VESA compression | AVE (H.264) | Advanced 2D engine, 4K support | | PCIe | PCIe Gen1 x1 | PCIe Gen2 x1 | PCIe Gen3 x2 | | Security | Basic OTP | Secure Boot, crypto accel | ARM TrustZone, OCP 3.0 security | | Process | 40nm | 28nm | 16nm |
Takeaway: The AST2500 is the "goldilocks" BMC for most 2nd and 3rd generation Intel Xeon Scalable (Purley) and AMD EPYC (Naples/Rome) servers. It balances cost, power, and features. The AST2600 is overkill for many applications, while the AST2400 is obsolete for security-sensitive designs.
| Parameter | Min | Max | Unit | |----------------|---------|---------|------| | Core Voltage | -0.3 | 1.32 | V | | I/O Voltage | -0.3 | 3.63 | V | | Storage Temp | -55 | +150 | °C | | Junction Temp | -40 | +125 | °C |
Open-source BMC firmware (OpenBMC, u-bmc) is the standard for hyperscale data centers.
The AST2500 is a mature, widely adopted BMC SoC balancing performance, security, and peripheral integration. Its datasheet reveals a design optimized for server management with extensive I/O, graphics output for remote KVM, and strong boot security. While superseded by the AST2600 for new high-end designs, the AST2500 remains in production and is ideal for cost-sensitive BMC applications, industrial controllers, and entry-level edge servers.
Disclaimer: This report is based on public datasheet version 1.04 (2017). For the latest errata, application notes, or design guidelines, consult ASPEED Technology Inc. directly or your distributor.
References:
A Deep Dive into the Aspeed AST2500 Datasheet
The Aspeed AST2500 is a highly integrated BMC (Baseboard Management Controller) SoC (System-on-Chip) designed for server and data center applications. In this blog post, we will take a detailed look at the AST2500 datasheet, exploring its features, specifications, and capabilities.
Overview
The AST2500 is a 32-bit ARMv7-A compliant SoC that integrates a wide range of peripherals and interfaces, making it an ideal solution for BMC applications. The device is designed to provide a high level of integration, low power consumption, and a small form factor, making it suitable for various server and data center platforms. The Ultimate Guide to the Aspeed AST2500 Datasheet:
Key Features
The AST2500 SoC offers a range of key features, including:
Specifications
The AST2500 SoC has the following specifications:
BMC Features
The AST2500 is designed to provide a range of BMC features, including:
Power Management
The AST2500 includes a range of power management features, including:
Security Features
The AST2500 includes a range of security features, including:
Conclusion
The Aspeed AST2500 is a highly integrated BMC SoC that offers a range of features and specifications that make it suitable for server and data center applications. Its ARMv7-A core, memory interface, and peripheral interfaces provide a high level of integration, while its power management and security features ensure low power consumption and secure operation. The AST2500 is an ideal solution for BMC applications that require a high level of integration, low power consumption, and secure operation. Resolution: Up to 1920x1200 at 60Hz
References
I hope this helps! Let me know if you have any questions or if you'd like me to clarify anything.
No specific math was used, so no $$math$$ is shown.
ASPEED AST2500 is a 6th-generation Advanced PCIe Graphics & Remote Management Processor, commonly used as a Baseboard Management Controller (BMC) in server environments. It provides integrated remote monitoring, virtual KVM (keyboard, video, mouse), and 2D graphics capabilities on a single chip. ASPEED Technology Inc. Core Specifications Processor Core : Features an clocked at Memory Support : Supports both DDR3 (up to 800Mbps) and (up to 1600Mbps). : 16-bit data bus width supporting up to of memory, with an (Error Correction Code) option. : Interfaces with SPI flash memory for firmware storage.
: Includes an on-chip PCIe 2D Video Graphic Adapter supporting resolutions up to 1920x1200 @ 60Hz Networking : Integrated Dual 10/100/1000 Mbps MAC for management network connectivity. : Housed in a 456-pin TFBGA (19mm x 19mm) package. ASPEED Technology Inc. Key Features & Functionality Remote Management : Full support for (KVM-over-IP) with video redirection at 1920x1200. Virtual Media : Supports USB-over-IP
(virtual hub controller for up to 5 devices) and USB 1.1 HID device emulation for remote OS installation and maintenance. Native Interfaces
Native PCI Express support (PCIe 2.0 x1 upstream interface). Supports various internal connectors including , SMBus, PMBus, and IPMB headers. Hardware monitoring for voltage, fans, and case intrusion. Software Support
: Drivers are available for major operating systems, including Windows Server (2008 R2/2012 R2), RHEL, SLES, Ubuntu, and FreeBSD. ASRockRack Documentation & Resources
For detailed implementation, refer to official documentation from ASPEED Technology or vendor-specific manuals: AST2500 - ASPEED Technology
Table_title: AST2500 Table_content: header: | Product Name | AST2500 Advanced PCIe Graphics & Remote Management Processor | row: | ASPEED Technology Inc. ASRock Rack > Accessories > PAUL
The ASPEED AST2500 is a 6th-generation Baseboard Management Controller (BMC) featuring an ARM11 CPU, DDR4 support, and integrated PCIe 2D graphics. It acts as a specialized server management processor offering dual Gigabit Ethernet, USB-over-IP, and high-speed DMA capabilities for remote management. For detailed technical specifications, visit Aspeed Tech ASPEED Technology Inc. AST2500 - ASPEED Technology