Aspeed Ast2500 Datasheet New! -
| Memory Parameter | Specification | |---|---| | | DDR3‑800, DDR4‑1600 | | Bus width | 16‑bit | | Maximum capacity | 1024 MB | | ECC support | Yes (check for specific module) |
The ASPEED AST2500 is the industry-standard Baseboard Management Controller (BMC) found in millions of enterprise servers, data center nodes, and cloud computing infrastructures worldwide. As a highly integrated system-on-chip (SoC), it enables robust, secure, and independent remote server management, regardless of the host operating system's state.
Proper power sequencing is critical for reliable AST2500 operation. The datasheet defines comprehensive power‑up and power‑down sequences that designers must implement in their hardware. Aspeed Ast2500 Datasheet
One of the AST2500's most distinctive features is its , which eliminates the need for a separate VGA add‑in card—a meaningful cost saving for server motherboard designs. The graphics subsystem provides:
As the central nerve center for server health, the AST2500 datasheet details extensive telemetry interfaces designed to capture real-time sensor metrics. Analog-to-Digital Converters (ADC) Up to 16 channels of 10-bit ADC inputs. | Memory Parameter | Specification | |---|---| |
The AST2500 acts as a communication hub for internal server components, integrating numerous industry-standard bus controllers.
| Feature | AST2500 | AST2520 | |---|---|---| | Graphics display controller | Present | Removed | | Physical package | 19 mm × 19 mm BGA | 19 mm × 19 mm BGA | | Pin compatibility | Full | Full (graphics pins repurposed) | Analog-to-Digital Converters (ADC) Up to 16 channels of
Supports RGMII and RMII configurations to connect with physical layer transceiver (PHY) chips or NC-SI (Network Controller Sideband Interface) sideband links shared with standard server NICs. 4. Hardware Monitoring and Peripherals
Integrated coprocessor for hardware-accelerated floating-point calculations.
3.3V for I/O, 1.2V for the core, and 1.5V/1.25V for DDR3/DDR4 memory interfaces. Summary of Use Cases
