Title: desktop tower: verify case fan airflow direction before 3090 install #124

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opened 2026-05-25 21:24:52 +00:00 by coilysiren · 1 comment

coilysiren commented

2026-05-25 21:24:52 +00:00

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Title: desktop tower: verify case fan airflow direction before 3090 install

Repo: coilysiren/infrastructure
Relates to: #85 (RTX 3090 swap)

The tower has four case fans, two on the front behind the dust mesh and two on the top, and the intended path is front intake to top exhaust so cool air crosses the open-air GPU and hot air leaves out the top.

A single reversed fan collapses that path and traps heat against a 350W card running 24/7, so direction has to be confirmed before the 3090 goes in and the side panel is closed.

Verify each fan by the airflow arrow molded on the frame, or by feel with the system powered on, and reseat any fan that opposes the front-in and top-out path.

Acceptance:

Both front fans confirmed pulling air in
Both top fans confirmed pushing air out
Any reversed fan reseated to match the front-in, top-out path
Final fan orientation noted in the #85 install log

Title: desktop tower: verify case fan airflow direction before 3090 install Repo: coilysiren/infrastructure Relates to: #85 (RTX 3090 swap) The tower has four case fans, two on the front behind the dust mesh and two on the top, and the intended path is front intake to top exhaust so cool air crosses the open-air GPU and hot air leaves out the top. A single reversed fan collapses that path and traps heat against a 350W card running 24/7, so direction has to be confirmed before the 3090 goes in and the side panel is closed. Verify each fan by the airflow arrow molded on the frame, or by feel with the system powered on, and reseat any fan that opposes the front-in and top-out path. Acceptance: - [ ] Both front fans confirmed pulling air in - [ ] Both top fans confirmed pushing air out - [ ] Any reversed fan reseated to match the front-in, top-out path - [ ] Final fan orientation noted in the #85 install log

coilysiren commented

2026-05-30 05:43:25 +00:00

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Owner

Iceboxed in the 2026-05-29 backlog burn-down: verify fan airflow, hardware toy gated on 3090. Reopen anytime if it becomes real.

coilysiren closed this issue

2026-05-30 05:43:26 +00:00

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coilyco-flight-deck/infrastructure#124

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