While ASPEED often requires a Non-Disclosure Agreement (NDA) for full unrestricted access, several community and distributor resources provide the documentation.
| Feature | AST2400 (5th Gen) | AST2500 (6th Gen) | AST2600 (7th Gen) | | :--- | :--- | :--- | :--- | | | ARM926EJ-S @ 400MHz | ARM1176JZS @ 800MHz | Dual-core ARM Cortex-A7 @ 1.2GHz | | Memory | DDR3 | DDR4 1600MHz | DDR4 (higher speed/bandwidth) | | PCIe | 1.0 | 2.0 | 3.0 | | Key Features | Standard BMC | + KVM-over-IP, +DDR4, +PCIe 2.0 | + Multi-core, +PCIe 3.0, + Hardware ECC |
The AST2500 acts as a communication hub for internal server components, integrating numerous industry-standard bus controllers. Aspeed Ast2500 Datasheet
: Optimized for low-power standby operation. Conclusion
: Hardware acceleration for AES, DES, and hashing algorithms. While ASPEED often requires a Non-Disclosure Agreement (NDA)
The is not light reading. It is a dense, 600-page tome of electrical constraints, timing diagrams, and register masks. But for the system engineer, it represents stability. The AST2500 is the "AK-47" of BMCs—not the newest, not the fastest, but it boots every time, runs forever, and the errata are well documented.
The following key specifications and features are highlighted in the official datasheet: Conclusion : Hardware acceleration for AES, DES, and
Hardware engines for AES, DES, 3DES, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512.
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: Enhanced Serial Peripheral Interface, replacing legacy LPC for modern Intel and AMD platforms.
The datasheet has a massive table showing that network pins are shared with GPIO and secondary functions.