Find the hottest slot
Inspect its intake, seal, cable path, and exhaust.
Manual row record
Check the
whole row.
Record two to four passive GPUs after one watched load. See the hottest position, temperature spread, total board power, lowest load, and stop flags. Nothing is uploaded.
Manual owner entry. Not telemetry, shop proof, or a safety controller.
Two to four GPUs
Build one row receipt.
Use the same watched workload for the full row. Choose one physical order and keep it for every repeat.
No name, email, order number, UUID, or serial number.
Read the rowHot Spread 80% Stop
Position. Spread. Load. Stop.
Record the difference
It describes the row. It does not explain the cause.
Load every GPU
One idle card cannot join the comparison.
Respect every flag
Slowdown, airflow trouble, or rising heat ends the run.
Have an NVIDIA CSV?
Check the load logCalculate it first.
The local load-log check finds the hottest device and spread. Then map each PCI bus ID to this physical row.
Keep positions stable
Open the cooling guideUse physical order.
NVIDIA notes that GPU index order can change after a reboot. This card uses physical position instead. Read the NVIDIA reference. See the fixed record rules.