Field Notes
Technical articles and workshop observations on second-generation ASIC mining hardware operating in South Korea during 2026.
Cooling Layout Mistakes in Narrow Seoul Row Houses
Three recurring airflow errors we document during thermal audits of second-generation ASIC racks in converted row-house basements.
M30S++ Fan Replacement: What We See in Workshop Batches
Whatsminer M30S++ units from 2023 batches often need fan swaps by year three — notes from our Guro spare-parts shelf.
Why 0.05 TH/s Still Matters as a Review Threshold in 2026
A practical explanation of the 0.05 TH/s floor Filesycamoreway uses when deciding which ASIC units warrant bench assessment in South Korea.
S19j Pro Hashrate Drift After 18 Months in a Guro Basement
Field measurements on fourteen Antminer S19j Pro units show how inlet dust and voltage sag affect second-generation output in Seoul basement hosting.