ASPEED AST2500 Go to product viewer dialog for this item. is a 6th-generation Server Management Processor (BMC) designed to provide remote monitoring and 2D graphics for enterprise systems. This guide summarizes the core specifications and features found in the official AST2500 Product Overview and related technical documentation. 🚀 Key Hardware Specifications
upgrades from previous generations by moving to DDR4 memory and a faster ARM core. Processor: ARM11 CPU running at 800MHz.
Memory Support: Supports DDR3 (800Mbps) and DDR4 (1600Mbps) with a 16-bit data bus. Capacity: Up to 1GB of SDRAM with optional ECC support. Package: 456-pin TFBGA (19mm x 19mm) with 0.8mm ball pitch. Storage: Connects via SPI flash memory for firmware. 🖥️ Graphics & Remote Management
As a BMC SoC, it handles both local display and remote administration tasks. 2D Video: Integrated PCIe 2D Video Graphic Adapter. Resolution: Supports up to 1920x1200 @ 60Hz (32bpp).
iKVM: Advanced Video-Over-IP with YUV444/YUV420 compression.
Virtual Media: Supports USB-Over-IP (virtual hub for up to 5 devices). Standards: Fully compliant with IPMI 2.0 specifications. 🌐 Connectivity & I/O
The chip acts as a bridge between the network and the host motherboard.
Network: Dual 10/100/1000 Mbps MACs for dedicated management LAN.
Bus Interface: Native PCI Express support (PCIe 2.0 x1 upstream). Internal Headers: LPC, SMBus, PMBus, and IPMB interfaces. PWM/Tachometer for fan control. GPIO, NCSI, and PECI support. 🛠️ Software & Driver Support
Standard drivers are typically included in major operating systems. Baseboard Management Controller (BMC)
The Aspeed AST2500 is a 6th-generation Server Management Processor designed as a Baseboard Management Controller (BMC) for modern data center and enterprise server environments. It integrates high-performance remote management features with an on-chip 2D graphics engine, providing a cost-effective solution for local and remote server maintenance. Core Technical Specifications
operates as a System-on-Chip (SoC) that allows administrators to manage servers independently of the host operating system's state. Processor: Features an ARM11 CPU running at 800 MHz. Memory Support: DDR3: Supports speeds up to 800 Mbps. DDR4: Supports speeds up to 1600 Mbps.
Capacity: Supports up to 1 GB of SDRAM with a 16-bit data bus.
ECC: Includes an option for Error-Correction Code (ECC) to enhance reliability.
Storage Interface: Utilizes SPI flash memory for firmware storage. Package: 456-pin TFBGA package, measuring 19mm x 19mm. Graphics and Remote Management (iKVM) A primary function of the
is to provide a "Video-over-IP" experience for remote administrators. Aspeed Ast2500 Datasheet
Integrated VGA: On-chip PCIe 2D VGA controller supporting resolutions up to 1920x1200 @ 60Hz with 32bpp color depth.
Video Redirection: Supports high-quality video compression (YUV444/YUV420) for real-time remote monitoring.
USB-over-IP: Includes a USB 2.0 virtual hub controller that can emulate up to 5 devices (e.g., keyboard, mouse, and storage redirection for OS installation). Key Interfaces and Connectivity
acts as a hub for various server monitoring and communication protocols. AST2500 - ASPEED Technology
Table_title: AST2500 Table_content: header: | Product Name | AST2500 Advanced PCIe Graphics & Remote Management Processor | row: | ASPEED Technology Inc.
The ASPEED AST2500 serves as the backbone of modern data center management. As a sixth-generation Baseboard Management Controller (BMC), it provides the critical link between hardware health and remote administration. This article explores the technical specifications, key features, and implementation details found within the AST2500 datasheet. Introduction to the ASPEED AST2500
The AST2500 is an advanced server management processor. It is designed to provide high-performance remote management capabilities for servers, workstations, and storage systems. By acting as a "computer within a computer," it allows administrators to monitor, manage, and repair systems even when the primary OS is unresponsive. Core Processor and Performance
The heart of the AST2500 is a powerful ARM processor that handles management tasks without taxing the host CPU. CPU Architecture: ARM1176EJ-S processor. Clock Speed: Runs at speeds up to 800MHz.
Memory Support: Integrated DDR3/DDR4 SDRAM controller (16-bit interface).
Security: Built-in hardware Secure Boot for firmware integrity. Graphics and Remote Console (iKVM)
One of the most vital sections of the datasheet covers the Integrated Remote Console (iKVM), which allows for "lights-out" management.
2D Graphics Engine: Supports resolutions up to 1920x1200 at 60Hz.
Video Compression: Advanced hardware-based PCIe video redirection.
Virtual Media: Redirects USB devices (keyboard, mouse, storage) over the network.
Host Interface: Connects via PCIe 1.1 x1 for high-speed data transfer. Connectivity and I/O Interfaces ASPEED AST2500 Go to product viewer dialog for this item
The AST2500 is a hub for various communication protocols, ensuring compatibility with virtually any server motherboard. Ethernet: Dual 10/100/1000 Mbps MACs with NC-SI support.
LPC/eSPI: Supports both legacy Low Pin Count and modern eSPI host interfaces. USB: Integrated USB 2.0 host and device controllers.
Serial: Multiple UARTs for system console access and debugging.
I2C/SMBus: Over 14 sets of I2C/SMBus interfaces for sensor monitoring. System Monitoring and Power Management
The datasheet highlights extensive telemetry capabilities to ensure hardware longevity.
ADC Channels: Up to 16-bit Analog-to-Digital Converters for voltage monitoring.
PWM/Tachometer: Advanced fan control logic to optimize cooling and acoustics.
GPIOs: Massive array of General Purpose I/O pins for custom hardware triggers.
Intelligent Platform Management: Full compliance with IPMI 2.0 standards. Security Features
As firmware security becomes a priority, the AST2500 includes dedicated hardware blocks to prevent unauthorized access. Trust Anchor: Support for secure firmware updates.
Encryption: Hardware acceleration for AES, DES, and hashing algorithms.
Isolation: Physical separation between the management network and the host data path. Physical Specifications
For hardware engineers, the mechanical data is essential for PCB design. Package Type: TFBGA (Thin Fine Ball Grid Array). Pin Count: Typically available in a 404-pin package.
Power Consumption: Optimized for low-power standby operation. Conclusion
The ASPEED AST2500 Datasheet reveals a highly integrated SoC that balances performance with essential security. Its ability to bridge legacy LPC interfaces with modern eSPI, combined with robust iKVM capabilities, makes it a gold standard for enterprise server management. Trusted Platform Module (TPM) 1
If you are looking for specific details, I can help you find: The exact pinout diagram for PCB layout. The register map for firmware development. Comparison with the newer AST2600 model.
Technical Deep Dive: The ASPEED AST2500 BMC Processor ASPEED AST2500
is a 6th-generation server management processor designed to provide robust Baseboard Management Controller (BMC)
capabilities. It functions as a "system-within-a-system," allowing IT administrators to monitor, manage, and recover server hardware remotely, even if the primary operating system is unresponsive. ASPEED Technology Core Architecture and Hardware Specifications Based on the ARM11 processor running at
, the AST2500 offers a significant performance jump over its predecessors by moving to modern memory standards. ASPEED Technology Inc. Processor: ARM11 @ 800MHz. Memory Support: Supports both DDR3 (800Mbps) DDR4 (1600Mbps)
16-bit SDRAM, with capacity up to 1GB and optional ECC support. Integrated PCIe 2D VGA controller supporting resolutions up to 1920x1200@60Hz Networking: Features dual 10/100/1000M bps MAC for dedicated management LAN connectivity. Available in a 456-pin TFBGA (19mm x 19mm) package. ASPEED Technology Key Remote Management Features The AST2500 is the industry standard for
compliant remote management. It integrates several critical functions into a single SoC: AST2500 - ASPEED Technology
Table_title: AST2500 Table_content: header: | Product Name | AST2500 Advanced PCIe Graphics & Remote Management Processor | row: | ASPEED Technology Baseboard Management Controller (BMC) - ASPEED Technology
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
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
| Parameter | Min | Typ | Max | Unit | |----------------------|-------|-------|-------|------| | Core (VDDC) | 0.95 | 1.00 | 1.05 | V | | I/O (VDDIO) | 3.135 | 3.3 | 3.465 | V | | DDR4 (VDDQ) | 1.14 | 1.2 | 1.26 | V | | Ambient Temperature | 0 | - | 70 | °C | | Industrial Temp | -40 | - | 85 | °C |
The datasheet reads like an inventory of embedded interfaces:
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