Version Compatibility

The following table lists the peripheral versions required for each function.

The listed versions are minimum ones supported by each function. Ascend software maintains a compatibility lifecycle of four versions. Ensure your selected version falls within this supported window.

Function	Sub-function	Version Requirements
Information query	Version information	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Help information
	Real-time device status
	Software-hardware version compatibility test
Performance test	Bandwidth test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	SuperPoD P2P bandwidth test	Driver HDK: 25.2.0 and later CANN: 8.2.RC1 and later
	Cross-server P2P bandwidth test	Driver HDK: Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later CANN: 9.1.0 and later
	Power consumption test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Computing power test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Eye diagram test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later NOTE: Full eye diagram test: Driver HDK: 25.5.0 and later
	Stream test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Ascend 950PR and 950DT products: 9.1.0 and later Other products: 8.2.RC1 and later
	Latency test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 26.0.RC1 and later CANN: Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 9.0.0 and later
Fault diagnosis	One-click diagnosis	See the requirements of each sub-item.
	CANN-driver compatibility diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Chip diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Network health diagnosis	Driver HDK: 25.2.0 and later CANN: 8.2.RC1 and later
	On-chip memory diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Driver health diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Eye diagram diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Bandwidth diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	NIC diagnosis	Driver HDK: 25.2.0 and later CANN: 8.2.RC1 and later
	PRBS stream diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Ascend 950PR and 950DT products: 9.1.0 and later Other products: 8.2.RC1 and later
	Computing power diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	AI Core stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	AI Core diagnosis	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	AI CPU stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	Power consumption stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	One-click on-chip memory stress test	See the requirements of each sub-item.
	On-chip memory stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	On-chip memory high-risk address stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	P2P stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Atlas 350 accelerator card: 9.0.0 and later Atlas 850E/Atlas 650E server/Atlas 950 SuperPoD: 9.1.0 and later Other products: 8.2.RC1 and later
	DSA stress test	Driver HDK: Atlas 350 accelerator card: 25.7.RC1 and later Atlas 950 SuperPoD: 25.1.RC1 and later Atlas 850E/Atlas 650E server: 25.6.RC1 and later Other products: 25.2.0 and later CANN: Ascend 950PR and 950DT products: 9.1.0 and later Other products: 8.2.RC1 and later
NPU environment restoration	NPU environment restoration	Driver HDK: 25.2.0 and later CANN: 8.2.RC1 and later

Parent topic: Ascend DMI Instructions