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KnightLi Blog

记录并分享日常

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39 pages

Hardware

Hardware guides, component analysis, interface standards, and practical troubleshooting for storage, networking, and embedded devices.

12V-2x6 vs. 12VHPWR: Notes on GPU 16-Pin Power Connector Differences

Core Ultra 9 285T ES Notes: Q4A7, a B860 Engineering Board, and the 35W Power Wall

Lenovo HR630x / HR650x Notes: LGA3647, 8259CL, Optane, and Common Pitfalls

MCP2221A-I/ST Selection Notes: A Handy USB-to-I2C/UART Bridge Chip

LGA3647 high TDC OEM CPU lighting idea: modify the ICC_MAX of VRM

CRPS Common Redundant Server Power Supply Standard, Pin Functions, and Common Models

CSPS Common Slot Server Power Supply Interface and Pinout

A Practical Guide to Common U.2 Enterprise SSD Series

M.2 Key E, Key B, and Key M Pinout Notes

Common USB PD Decoy Chips: CH224K vs HUSB238 vs HUSB237 vs IP2721 vs XSP

Memory Die Identification Guide: How to Read Samsung, Micron, and SK hynix Codes

JMicron Chip Top Mark and Part Number Format

Home Printer Buying Guide

VGA Connector Pin Definition

Winbond Flash Chip Naming Rules Explained (with Full Winbond Flash Part List)

3.5-inch HDD Mechanical Dimensions (SFF-8301)

HP FLR Network Adapters: PCIe Lanes, Port Types, Controller Chips, and Part Numbers

PCIe Switches (PCI-E Switch Chipset Catalog)

PCIe-to-SATA Chipset Guide

3-Pin / 4-Pin CPU & PC Fan Interfaces, PWM Control, and DC Speed Control

MOSFET Identification and Basic Applications

UDIMM, SODIMM, RDIMM, LRDIMM, NVDIMM, ECC: What Is the Difference?

Crystal Oscillator Capacitance Basics (Matching Capacitance, Load Capacitance, and Parasitic Capacitance)

Dual Power Automatic Switching Circuit with Near-Zero Voltage Drop

How to Read Samsung MLCC Part Number Codes

HBA IT Mode / SAS Pass-Through Performance Comparison

Motherboard Form Factor List and Dimensions

Is a 600 RMB New HC620 14TB Drive Worth Buying?

Why a Windows 10 Laptop Gets Hot in a Backpack and Drains Battery During Sleep

Backblaze 2022 Q2 Drive Failure Statistics

Backblaze 2022 Q1 Drive Failure Statistics

Intel ATX12VO Connector Pinouts

Comparison of Common Desktop and Server PSU Connectors

Intel ATX 3.0 Specification (Chinese Reading Notes)

12V PSU and PCI-E Auxiliary Power Interfaces

Two Affordable DC-DC 12V-to-5V Buck Modules (Hands-on Notes)

PCI-E Power Connector Current and Power Limits

AWG Wire Gauge Reference Table

ATX Power Connector Pinouts