About This Document

Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury.

Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.

Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.

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.

Supplements the important information in the main text.

NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration.

Boldface

The keywords of a command are in Boldface.

Italic

Command arguments (replaced by specific values in an actual command) are in italics.

[ ]

Items (keywords or arguments) in brackets [ ] are optional.

{ x | y | ... }

Optional items are grouped in braces and separated by vertical bars. One item is selected.

[ x | y | ... ]

Optional items are grouped in brackets and separated by vertical bars. One item or no item is selected.

{ x | y | ... }^*

Optional items are grouped in braces and separated by vertical bars. A minimum of one or a maximum of all can be selected.

[ x | y | ... ]^*

Optional items are grouped in brackets and separated by vertical bars. Multiple items or no item is selected.

&<1-n>

This parameter before the & sign can be repeated 1 to n times.

#

A line starting with the # sign is comments.

28

2023-01-09

This issue is the twenty-eighth official release.

• Modified System Architecture.

• Optimized the descriptions about AI Processors and memory specifications, and added the width dimension in Basic Specifications.
• Added the ASHRAE 2015 standard about the altitude in Environmental Conditions.
• Modified Hot Swap.
• Optimized Heat Dissipation Requirements.
• Added Hardware Compatibility.
• Added reference document links in Out-of-Band Management.

27

2022-07-29

This is the twenty-seventh official release.

Added Installation and Maintenance (for Version 5.1.RC2 and Later) and Introduction to the npu-smi Command (for Version 5.1.RC2 and Later).

26

2022-07-11

This issue is the twenty-sixth official release.

Changed the software package names.

25

2022-05-25

This issue is the twenty-fifth official release.

Modified Overview.

24

2022-04-26

This issue is the twenty-fourth official release.

Added Process Occupation Error Reported During Driver Uninstallation.

Modified Installation in a Container.

23

2022-03-07

This issue is the twenty-third official release.

Optimized the default data.

Modified document links.

22

2022-01-06

This issue is the twenty-second official release.

Added descriptions in Installing a Driver and Uninstalling the Driver.

21

2021-11-22

This issue is the twenty-first official release.

Added information about the Atlas 300I inference card (board model: IT21DMPC) to System Architecture and Basic Specifications.

Added SN.

20

2021-11-01

This issue is the twentieth official release.

Modified:

Added the installation dependencies of Ubuntu 20.04 in Installing Dependencies.

Updated the installation procedure in Initial Installation and Overwrite Installation and Upgrade.

Updated the compatibility list in Overview.

Added:

Tools

19

2021-10-22

This issue is the nineteenth official release.

Modified:

Installation Modes

Installing the Firmware (*.rpm)

18

2021-07-31

This issue is the eighteenth official release.

Adjusted the outline and added Installation and Maintenance (for Version 1.0.11-1.0.15) and Introduction to the npu-smi Command (for Version 1.0.11-1.0.15).

17

2021-04-29

This issue is the seventeenth official release.

Added the installation dependencies of BC-Linux 7.6 and SLES 12 SP5 in Installing Dependencies.

16

2021-03-04

This issue is the sixteenth official release.

Adjusted the outline, added the installation process, and confirmed the OS content.

15

2021-02-07

This issue is the fifteenth official release.

Updated the software package name in Overwrite Installation and Upgrade.

14

2021-01-25

This issue is the fourteenth official release.

Updated the section "Installing Dependencies."

Added:

• Installation and Maintenance (Windows)
• Error Message "cp: cannot overwrite directory '/usr/local/sbin/npu-smi' with non-directory" Is Displayed During Driver Installation
• An Error Occurred During Driver Installation or Service Startup
• Ascend 310 AI Processor Cannot Be Started Properly

13

2020-12-16

This issue is the thirteenth official release.

Added the software installation check items for CentOS 8.2.

12

2020-11-30

This issue is the twelfth official release.

Updated the versions used by the HwHiAiUser user.

11

2020-11-19

This issue is the eleventh official release.

Updated the method to obtain the software packages.

10

2020-10-26

This issue is the tenth official release.

Adjusted the outline and added the contents of the NPU 20.1.X series software packages.

Added:

• Querying the PCIe Error Count of All Chips
• Querying the PCIe Error Count of a Specified Chip
• Clearing the PCIe Error Count of All Chips
• Clearing the PCIe Error Count of a Specified Chip
• Modprobe Failure Reported During Installation After a Successful Driver Recompilation
• Permission Denied When mkdir -p /var/log/npu/slog/slogd Is Run
• Ascend_monitor Communication Error
• After the driver and firmware are installed and the system is restarted, "[ERROR] raise script failed, cmd run failed, errno = 0" is reported in /var/log/npu/slog/host-0.

Added:

• Check items for the source driver package.
• Procedure for installing the source driver package.

• Description of the parameters for resetting a standard card in in-band mode to Resetting the Standard PCIe Card.
• Description of the parameters for resetting the processor in in-band mode to Resetting a Chip.

09

2020-09-14

This issue is the ninth official release.

• Added the driver and firmware installation sequence during overwrite installation.

• Added usage restrictions to Resetting the Standard PCIe Card.
• Added usage restrictions to Resetting a Chip.

08

2020-08-28

This issue is the eighth official release.

Description that the SSH function must be enabled before configuring IP addresses for versions earlier than NPU 20.0.0 is added to Setting the IP Information of an AI Chip.

Compatibility relationships between the hosts and the container OSs are added to Overview.

07

2020-07-15

This issue is the seventh official release.

Adjusted the outline and added the content of installing the software package of NPU 20.0.0 or later.

Added the following topics:

• Querying the IP Information of an AI Chip
• Setting the IP Information of an AI Chip
• Installation in a Container

06

2020-07-08

This issue is the sixth official release.

Modified:

OS kernel versions.

05

2020-03-30

This issue is the fifth official release.

Adjusted the document structure and added the procedures for installing and uninstalling the driver and using tools.

Deleted "(Optional) Installing and Deploying the Developer Environment."

Deleted "(Optional) Creating an Application."

04

2019-11-28

This issue is the fourth official release.

Modified the file names and hyperlinks in "(Optional) Creating an Application."

03

2019-11-04

This issue is the third official release.

02

2019-07-29

This issue is the second official release.

01

2019-04-30

This issue is the first official release.