Equipment Sector Directory

AI Datacenter & HPC Compute Troubleshooting

Diagnostic telemetry, technical fault codes, and step-by-step repair guides for AI Datacenter & HPC Compute.

0 Supported Manufacturers • 1 Documented Error Codes

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OEM hardware vendors indexed under AI Datacenter & HPC Compute

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Indexed Fault Guides in AI Datacenter & HPC Compute

Machine-verified error code diagnostic walkthroughs

1 Guides

NVIDIA • CODE SXid 63 / NCCL 12 HGX H100 8-GPU Baseboard Critical

HGX H100 NVSwitch Link Failure

SXid 63 indicates an uncorrectable NVSwitch NVLink SerDes receiver error, causing dropped inter-GPU packets and leading to NCCL distributed training collective timeouts (Error 12).

⏱ 45-90 Mins View Guide →