Quantum

Quantum’s (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology.

Popular posts: 3
Total points: 859
HN comments: 416
Rank: #2,637 personal

Visit quantum5.ca → RSS feedOn Hacker News Oct 2023 – Aug 2026

Tools & Productivity 1 Systems & Performance 1 Life, Learning & Writing 1 Infrastructure & DevOps 1 Hardware & Electronics 1 Career & Management 1

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Fixing a bricked Framework laptop

2026425 points301 comments Hardware & Electronics details

My experience fixing my Framework 13” laptop with AMD 7060 series that was bricked due to a failed BIOS update with US$20 worth of tools, instead of replacing the motherboard as suggested by Framework support.

Fast and cheap bulk storage: using LVM to cache HDDs on SSDs

2025223 points88 comments Systems & Performance details

My attempt to create fast and cheap bulk storage by caching HDDs with SSDs on Linux, using standard lvmcache. Contains an introduction to LVM, RAID, and partitioning.

What I wish I knew when I got my ASN

2023211 points27 comments Career & Management details

A thorough walkthrough and explanation of the process of getting an ASN, which I wish I knew when I got mine. Hopefully this will prevent readers from headaches and getting scammed.