Natively runs engines for IPMI 2.0, WebUI (HTTPS), SNMP, Redfish API, and Virtual Media mapping. 6. Layout and Implementation Guidelines
Keep trace lengths closely matched within byte lanes. Maintain a controlled differential impedance of 100 ohms for clock lines and 50 ohms single-ended impedance for data/address lines.
Hardware-level write-protection capabilities for the external SPI flash containing the primary BMC boot image. 5. Firmware Compatibility: OpenBMC and Legacy IPMI
Supports both DDR3 and DDR4 SDRAM interfaces (16-bit data bus). aspeed ast2500 datasheet new
The remains a reliable and powerful choice for server management, offering a mature, high-performance platform for modern IT infrastructure. With its strong focus on DDR4 support and integrated graphics, it enables efficient and secure server operations.
Dedicated hardware engine for Video-over-LAN (KVM-over-IP) streaming, supporting both JPEG and optimized proprietary compression algorithms. Networking and Connectivity
The SoC integrates a PCIe 2D Graphics Engine capable of driving local displays and feeding the remote management stream simultaneously. Natively runs engines for IPMI 2
| Feature | AST2500 (6th Gen) | AST2600 (7th Gen) | | :--- | :--- | :--- | | | Single-core ARM1176JZ-S @ 800 MHz | Dual-core ARM Cortex-A7 (1.2 GHz) + Cortex M3 core | | Memory Support | DDR3 / DDR4, up to 1GB, 16‑bit bus | Enhanced DDR4, larger capacity, wider bus | | Package | TFBGA-400 (19×19 mm) | Larger package (21×21 mm, +168 pins) | | Security | Hash & Crypto Engine (no TrustZone) | ARM TrustZone + Secure Boot support | | Networking | Dual MACs | Up to 4 GbE MACs | | Target Market | Cost-effective standard servers | High-end AI servers, secure boot compliance | | Power Efficiency | Reference baseline | ~61% more efficient than AST2500 | | Fabrication Process | Mature node | 28 nm (reduced power consumption) |
As a specialized BMC, the AST2500 is a core component for remote server management. It operates through the Intelligent Platform Management Interface (IPMI) , providing system administrators with tools for: Remote KVM (Keyboard, Video, Mouse)
PECI 3.0 (Platform Environment Control Interface) for direct Intel CPU thermal monitoring. AMD TSI (Thermal Sense Interface) compatibility. 4. Pin Configuration and Hardware Design Guidelines Maintain a controlled differential impedance of 100 ohms
: Equipped with a 2D graphics engine, the AST2500 can handle basic graphics operations, which is useful for KVM (Keyboard, Video, and Mouse) redirection.
The AST2500 is a highly integrated BMC chip that combines multiple functions into a single device. It is designed to provide a secure and reliable way to manage and monitor system hardware, including power supplies, fans, and temperature sensors. The AST2500 supports a wide range of interfaces, including I2C, SPI, UART, and PCIe, making it an ideal solution for a variety of applications.