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AOC-S25G-m2S
User's Guide
Revision 1.0

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Summary of Contents for Supermicro AOC-S25G-m2S

  • Page 1 AOC-S25G-m2S User's Guide Revision 1.0...
  • Page 2 Santa Clara County in the State of California, USA. The State of California, County of Santa Clara shall be the exclusive venue for the resolution of any such disputes. Supermicro's total liability for all claims will not exceed the price paid for the hardware product.
  • Page 3 AOC-S25G-m2S add-on card. About this Add-on Card The Supermicro AOC-S25G-m2S is a leading edge 25GbE controller. Based on the Mellanox ConnectX®-4 Lx EN chipset with features such as VXLAN and NVGRE, it is backward compatible with 10GbE networks and addresses bandwidth demand from virtualized infrastructures in data centers or cloud deployments.
  • Page 4 AOC-S25G-m2S Add-on Card User's Guide This warranty only covers normal consumer use and does not cover damages in- curred in shipping or from failure due to the alternation, misuse, abuse or improper maintenance of products. During the warranty period, contact your distributor first for any product problems.
  • Page 5 5.9” (150mm) x 2.73” (69mm) AOC-S25G-b2S 25GbE Standard LP PCI-E x8 Mellanox® CX-4 LX 2 SFP28 (25Gb/port) 5.6” (142mm) x 2.71” (69mm) AOC-S25G-m2S 40GbE Standard LP PCI-E x8 Intel® XL710-BM1 1 QSFP+ (40Gb/port) 5.9” (150mm) x 2.73” (69mm) AOC-S40G-i1Q 40GbE Standard LP PCI-E x8 Intel®...
  • Page 6 AOC-S25G-m2S Add-on Card User's Guide Contacting Supermicro Headquarters Address: Super Micro Computer, Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. Tel: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.com (General Information) support@supermicro.com (Technical Support) Website: www.supermicro.com Europe Address: Super Micro Computer B.V.
  • Page 7: Table Of Contents

    Preface Table of Contents Preface Chapter 1 Overview Overview ......................1-1 Key Features ....................1-1 Specifications ....................1-2 General ......................1-2 Host Interface ....................1-2 Networking Features ..................1-2 CPU Offload Features ..................1-3 Overlay Networks .................... 1-3 Hardware-Based I/O Virtualization ..............1-3 Storage Offloads .....................
  • Page 8 AOC-S25G-m2S Add-on Card User's Guide Notes viii...
  • Page 9: Chapter 1 Overview

    Overview Congratulations on purchasing your add-on card from an acknowledged leader in the industry. Supermicro products are designed with the utmost attention to detail to provide you with the highest standards in quality and performance. For product support and updates, please refer to our website at http://www.supermicro.com/ products/nfo/networking.cfm#adapter.
  • Page 10: Specifications

    AOC-S25G-m2S Add-on Card User's Guide Specifications General • Mellanox ConnectX®-4 Lx EN dual-port 25Gbps controller • Compact size low-profile standard form factor • PCI-E 3.0 x8 (8GT/s, 5GT/s or 2.5GT/s) interface • Dual SFP28 connectors • Typical power consumption: 8.7W Host Interface •...
  • Page 11: Cpu Offload Features

    Chapter 1: Overview • Jumbo frame support (9.6KB) CPU Offload Features • RDMA over Converged Ethernet (RoCE) • TCP/UDP/IP stateless offload • LSO, LRO, checksum offload • RSS, TSS, HDS, VLAN insertion/stripping. Receive flow steering • Intelligent interrupt coalescence Overlay Networks •...
  • Page 12: Virtualization Features

    AOC-S25G-m2S Add-on Card User's Guide • NC-SI for IPMI Support Virtualization Features • SR-IOV: up to 256 Virtual Functions • SR-IOV: up to 16 Physical Functions per port • 1K ingress and egress QoS levels • Guaranteed QoS for VMs Operating System Support •...
  • Page 13: Physical Dimensions

    Server Systems with low-profile or full-height PCI-E 3.0 x8 expansion slots • NC-SI feature is only supported by Supermicro® motherboards with correspond- ing NC-SI connectors Note: This product is intended to be used with Supermicro server systems or motherboards as an integrated solution package. Compliance/Environmental •...
  • Page 14: Similar Products

    AOC-S25G-m2S Add-on Card User's Guide Similar Products Product Part Form Speed PCI-E Connector Total Chipset Number Factor Type Ports AOC-STG-i4S Standard 10GbE PCI-E 3.0 x8 SFP+ Intel® XL710 Low Profile AOC-STG-b4S Standard 10GbE PCI-E 3.0 x8 SFP+ Broadcom® BCM57840S Low Profile...
  • Page 15: Chapter 2 Hardware Components

    Chapter 2: Hardware Components Chapter 2 Hardware Components Add-On Card Image and Layout The AOC-S25G-m2S Image JNCSI1 J_SFP1_1 Mellanox ConnectX®-4 Lx EN PORT1 LED J_SFP2_1 JGF1 PORT2 LED JGF1 The AOC-S25G-m2S Layout 1. Mellanox ConnectX®-4 Lx EN 5. SFP28 Port2 Link LED 2.
  • Page 16: Major Components

    AOC-S25G-m2S Add-On Card User's Guide Major Components The following major components are installed on the AOC-S25G-m2S: 1. Mellanox ConnectX®-4 Lx EN Controller 2. Dual SFP28 (Small Form Factor Pluggable) Ports 3. Two (2) SFP28 Link/Activity LED Indicators 4. NC-SI for IPMI support...
  • Page 17: Sfp28 Ethernet Connections

    Chapter 2: Hardware Components SFP28 Ethernet Connections SFP28 (SFP1/SFP2) Connectors Two small form-factor pluggable (SFP28) optical transceiver connectors (SFP1/ SFP2) are located on the add-on card. These SFP28 ports provide Ethernet up to 25GbE network connections. See the layout below for the locations. SFP28 (SFP1/SFP2) Link/Activity LED Indicators Two LAN Link/Activity LED indicators are located at PORT1 LED and PORT2 LED on the add-on card.
  • Page 18: Nc-Si Header & Pci-E 3.0 X8 Golden Finger

    For the network sideband interface to work properly, you will need to use a motherboard that supports NC-SI and also need to have a special cable. Please contact Supermicro at www.supermicro.com to purchase the cable for this header. See the layout below for the location of the JNCSI1 header.
  • Page 19: Chapter 3 Installation

    Chapter 3: Installation Chapter 3 Installation Static-Sensitive Devices Electrostatic Discharge (ESD) can damage electronic com ponents. To avoid dam- aging your add-on card, it is important to handle it very carefully. The following measures are generally sufficient to protect your equipment from ESD. Precautions •...
  • Page 20: Before Installation

    AOC-S25G-m2S Add-on Card User's Guide Before Installation To install the add-on card properly, be sure to follow the instructions below. 1. Power down the system. 2. Unplug the power cord. 3. Use industry standard anti-static equipment (such as gloves or wrist strap) and follow the precautions on Page 3-1 to avoid damage caused by ESD.

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