Skip to main content

Aspeed Ast2500 Datasheet New -

Overview of ASpeed AST2500

The ASpeed AST2500 is a part of the AST2 series of BMC SoCs from ASpeed Technology, a leading provider of BMC solutions. This SoC is engineered to offer a comprehensive set of management features for servers and data centers, enhancing their reliability, security, and efficiency.

Rule 3: VGA DAC Termination

For the analog VGA output (RGB), the new datasheet includes a reference schematic for 75-ohm termination using a THS7316 driver. It now explicitly states that direct connection to a VGA port is not supported without this buffer.

1. Product Overview

The ASPEED AST2500 is a 6th-generation Server Management Controller SoC designed for Baseboard Management Controllers (BMC). It is widely utilized in enterprise servers, storage systems, and telecom equipment. It serves as the "brain" of a server's management subsystem, operating independently of the main host CPU to provide remote monitoring and control capabilities.

3. How to Read the Datasheet for Common Tasks

Introduction: The Silent Heart of the Server Industry

In the world of enterprise IT, data centers, and embedded systems, the Baseboard Management Controller (BMC) is the silent workhorse. It allows administrators to monitor, power cycle, and reconfigure servers remotely, entirely independent of the main CPU or OS. For years, the market leader in this niche has been ASPEED Technology.

While the newer AST2600 chip has grabbed headlines with its dual-core Cortex-A7 architecture, the ASPEED AST2500 remains the gold standard for cost-sensitive, power-efficient, and highly stable platforms. If you are searching for the "aspeed ast2500 datasheet new," you are likely either an engineer validating a legacy refresh, a procurement specialist verifying late-lifecycle specs, or a developer looking for the latest errata.

This article breaks down everything you need to know from the latest revision of the AST2500 datasheet, focusing on new details regarding power sequencing, IO thresholds, and security features.

2.3. Memory Controller

7. Comparison: AST2400 vs. AST2500

For engineers migrating from the previous generation, the key deltas are:

| Feature | ASPEED AST2400 | ASPEED AST2500 | | :--- | :--- | :--- | | CPU Clock | 400 MHz / 533 MHz | 800 MHz | | Memory | DDR3 / DDR4 (Limited) | **DDR

The ASPEED AST2500: A Deep Dive into the 6th Gen Server Management Powerhouse aspeed ast2500 datasheet new

The ASPEED AST2500 remains a cornerstone in modern data centers, serving as the 6th generation of ASPEED Technology's world-class Server Management Processors. As a specialized Baseboard Management Controller (BMC), it provides the essential "always-on" intelligence required to monitor system health and manage servers remotely, independent of the operating system. Core Architecture and Performance

The AST2500 introduces significant performance leaps over its predecessors by integrating more powerful processing and faster memory support:

Processor: Features an 800MHz ARM11 core, designed to handle the increasing complexity of server system requirements.

Memory: Migrates to DDR4 1600Mbps support (also supporting DDR3L), allowing for up to 1GB of external memory.

Internal Bus: Utilizes a 128-bit internal DRAM data bus width to ensure high-speed data movement within the controller.

Graphics: Includes an on-chip PCIe 2D VGA engine, providing local display capabilities without the need for expensive add-on VGA cards. Key Technical Specifications

The official datasheet and technical manuals from partners like Supermicro and Gigabyte detail the chip's robust feature set: Feature Specification Package Size 19mm x 19mm Interface PCIe Gen2 x1, eSPI (default), LPC Memory Types DDR3L/DDR4 SDRAM (e.g., 128MBx16, 256MBx16, 512MBx16) Networking

Support for RGMII/NCSI for Gigabit Ethernet management ports Error Correction Supports ECC with no extra external memory cost Operating Temp Overview of ASpeed AST2500 The ASpeed AST2500 is

Standard commercial or industrial ranges (e.g., -40ºC to 70ºC for specific modules) Advanced Capabilities: IPMI and Beyond

The AST2500 is primarily used to implement the Intelligent Platform Management Interface (IPMI). This allows IT professionals to:

Remote Management: Access, monitor, and diagnose servers via Console Redirection and Keyboard/Video/Mouse (KVM) over IP.

P2A Bridge: The chip includes a specialized "PCIe-to-AHB" (P2A) bridge, allowing the host CPU to access hardware resources within a 64KB range inside the BMC for shared memory applications.

Security: While robust, users should note historical vulnerabilities like CVE-2019-6260, which involved improper AHB bridge access, highlighting the importance of regular firmware updates. Software and Driver Support

ASPEED provides dedicated drivers to ensure the AST2500 integrates seamlessly with modern operating systems: AST2500 - ASPEED Technology

ASPEED AST2500 is a 6th-generation Server Management Processor (BMC) widely used for remote server monitoring and 2D local display. ASPEED Technology Inc. Latest Datasheet & Documentation Official Product Page

: The primary source for the most current specifications is the ASPEED AST2500 Product Page Main Datasheet (v1.6) LPC Memory Types DDR3L/DDR4 SDRAM (e.g.

: The most recent comprehensive technical reference publicly available is the v1.6 Datasheet , which covers the AST2500 and AST2520 A2 revisions. BMC LTS Specification

: For detailed firmware and IPMI 2.0 command implementation, the AST2500/AST2600 BMC LTS Specification (v0.6) is used by developers. Document Center : ASPEED maintains a Document Center

for registered customers to access restricted technical manuals and hardware design guides. ASPEED Technology Inc. Key Specifications 800MHz ARM11 Support for DDR3 (800Mbps) and DDR4 (1600Mbps) 16-bit bus On-chip PCIe 2D VGA

Native PCIe support and iKVM (Keyboard, Video, Mouse) remote presence TFBGA-458 (19mm x 19mm) Comparison with Newer Generations

While the AST2500 is still active, ASPEED has released newer generations for modern AI and server architectures: AST2600 (7th Gen)

: Features a dual-core ARM Cortex A7 and advanced 28nm process for improved security (Secure Boot/TrustZone). AST2700 Series

: The latest high-performance BMC featuring a quad-core ARM Cortex A35, DDR5 support, and PCIe Gen4. ASPEED Technology Inc. schematics

for a specific motherboard using the AST2500, or are you looking for firmware update Drivers Download - ASPEED

ASPEED - Drivers Download. Support. Technical Support Drivers Download Document Center. ASPEED Technology Inc. AST2600 - ASPEED Technology