Datacenter Dangers #33 – Huge, Thorny, Negative-Resistance Toxic Tumbleweeds
Datacenters are dense microcosms of competing regulated power supplies. Every server, CPU, GPU, storage shelf, switch, and board-level voltage regulator is constantly fighting to hold its own output rails steady — 12 VDC, 5 VDC, 3.3 VDC, 1.1 VDC, whatever — despite rapidly changing compute loads and evermore imperfect upstream grid power. The problem is … Read more