About This Document
Purpose
This document describes how to install and upgrade the driver and firmware packages and provides FAQs and troubleshooting methods.
Intended Audience
This document is intended for upgrade engineers who must:
- Be familiar with the product networking and related NEs' versions.
- Have device maintenance experience and be familiar with device operation and maintenance.
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol |
Description |
|---|---|
Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. |
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Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. |
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Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. |
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Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. |
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Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. |
Change History
Issue |
Date |
Description |
|---|---|---|
06 |
2022-03-07 |
This issue is the sixth official release. |
05 |
2021-06-03 |
Modified Uninstalling the Driver and Firmware. |
04 |
2021-05-08 |
Modified Preparations for Installation, Preparations for Upgrade, and Upgrading the MCU. Added "1C1F mcu flash app error" Is Reported When npu-smi Is Used to Query the MCU Health Status, "1DAF vrd PSU firmware needs to be upgraded" Is Reported When npu-smi Is Used to Query the MCU Health Status, and (Optional) Repacking the Driver Package. |
03 |
2021-02-02 |
Modified Preparations for Installation and Preparations for Upgrade. Added Driver 20.2.0 or Later Fails to Be Rolled Back to an Earlier Version. |
02 |
2020-11-28 |
Modified Creating a Running User. Added Building a Kernel Patch. |
01 |
2020-09-30 |
This issue is the first official release. |