The chapter contains the following sections:
These are the release notes for the NVIDIA® ConnectX®-6 DE adapters firmware. This firmware supports the following protocols:
InfiniBand - SDR, QDR, FDR, EDR, HDR100, HDR
PCI Express 4.0, supporting backwards compatibility for v3.0, v2.0 and v1.1
1. Speed that supports both NRZ and PAM4 modes in Force mode and Auto-Negotiation mode.
When connecting an NVIDIA-to-NVIDIA adapter card in ETH PAM4 speeds, Auto-Neg should always be enabled.
Please make sure to use a PCIe slot that can supply the required power to the ConnectX-6 DE adapter card as stated in section Specifications in the adapter card’s User Manual.
This firmware supports the devices and protocols listed below:
| NVIDIA SKU | Legacy OPN | PSID | Device Name |
| 900-9X0BC-001H-ST1 | MCX683105AN-HDAT | MT_0000000903 | Nvidia ConnectX-6 DE InfiniBand adapter, HDR, single-port QSFP, PCIe 4.0 x16, No Crypto, Tall Bracket |
The following are the drivers’ software, tools, switch/HCA firmware versions tested that you can upgrade from or downgrade to when using this firmware version:
| Supported Version | |
| ConnectX-6 DE Firmware | 22.39.3560 / 22.39.3004 / 22.39.2048 |
| MLNX_OFED | 23.10-3.2.1.1 / 23.10-2.1.3.1 / 23.10-1.1.9.0 Note: For the list of the supported Operating Systems, please refer to the driver’s Release Notes. |
| MLNX_EN (MLNX_OFED based code) | 23.10-3.2.1.1 / 23.10-2.1.3.1 / 23.10-1.1.9.0 Note: For the list of the supported Operating Systems, please refer to the driver’s Release Notes. |
| WinOF-2 | 23.10.51000 / 23.10.50000 / 23.7.50000 Note: For the list of the supported Operating Systems, please refer to the driver’s Release Notes. |
| MFT | 4.26.1-6 / 4.26.1 / 4.26.0 Note: For the list of the supported Operating Systems, please refer to the driver’s Release Notes. |
| mstflint | 4.26.1-6 / 4.26.1 / 4.26.0 Note: For the list of the supported Operating Systems, please refer to the driver’s Release Notes. |
| FlexBoot | 3.7.300 |
| UEFI | 14.32.17 |
| MLNX-OS | 3.10.5002 onwards |
| Cumulus | 5.4 onwards |
| NVIDIA Quantum Firmware | 27.2012.1010 onwards |
| SwitchX-IB 2 Firmware | 15.2010.5108 onwards |
| SwitchX-IB Firmware | 11.2008.3328 onwards |