Technical Reference

Field Notes & Diagnostic Guides

Practical engineering articles written by our instructors, covering root-cause troubleshooting, voltage step-down testing, thermal physics, and electrical preventive maintenance.

Diagnosing ASIC Hashboard Signal Interruption: The Five Critical Test Points
Hardware Diagnostics May 13, 2026

Diagnosing ASIC Hashboard Signal Interruption: The Five Critical Test Points

When an entire hashboard drops to zero chips detected, tracing the CLK, RST, BO, RI, and RO lines using a digital multimeter reveals the exact broken link in the daisy chain.

By Jung Hyunwoo • 7 min read Read Full Article →
Thermal Interface Degradation: Why Factory Paste Fails After 18 Months
Thermal Management June 19, 2026

Thermal Interface Degradation: Why Factory Paste Fails After 18 Months

Continuous thermal cycling between 65°C and 85°C causes silicone oil pump-out in factory thermal grease. Learn how to identify dry paste before thermal runaway occurs.

By Choi Min-seok • 6 min read Read Full Article →
Mitigating Atmospheric Corrosion in East Asian Mining Facilities
Facility Maintenance July 10, 2026

Mitigating Atmospheric Corrosion in East Asian Mining Facilities

Summer monsoon seasons in South Korea present extreme relative humidity challenges. Discover proper dew point management and conformal coating inspection.

By Jung Hyunwoo • 8 min read Read Full Article →
Troubleshooting 12V DC Rail Voltage Sag and Terminal Meltdown
Power Electronics August 4, 2026

Troubleshooting 12V DC Rail Voltage Sag and Terminal Meltdown

A deep dive into contact resistance, terminal oxidation, and heavy-gauge wire crimping techniques to prevent catastrophic connector failure on 3000W+ power supplies.

By Kwon Dae-ho • 6 min read Read Full Article →
Hands-On Experience

Put These Guides Into Practice

Our 2-day ASIC Diagnostic Clinic in Gimpo lets you test these multimeter protocols on real malfunctioning hashboards with instructor supervision.

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Diagnostic workbench in Gimpo lab