Equipment Sector Directory

AI Accelerators & HPC Servers Troubleshooting

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

0 Supported Manufacturers • 1 Documented Error Codes

Manufacturers & Brands

OEM hardware vendors indexed under AI Accelerators & HPC Servers

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Indexed Fault Guides in AI Accelerators & HPC Servers

Machine-verified error code diagnostic walkthroughs

1 Guides

NVIDIA • CODE SXid 120 DGX H100 Critical

NVSwitch Fatal Credit Timeout

SXid 120 indicates an unrecoverable credit timeout on an NVSwitch NVLink port, meaning an internal receiver buffer did not replenish transmission credits within the hardware-enforced threshold, stalling crossbar fabric traffic and forcing an NCCL communication abort.

⏱ 45-90 Mins View Guide →