自2011年起 · 服务全球客户

专业工控迷你电脑
制造商

深圳千度科技,自 2011 年专注无风扇工控迷你电脑、嵌入式工控主板与多网口软路由的研发制造。2800+ 在产型号,工厂直供,支持 OEM/ODM 定制,已服务全球 100+ 国家客户。

15+

年行业经验

100+

国家和地区

1M+

台出货量

2800+

产品型号

产品矩阵

产品分类

覆盖迷你电脑、工控主板、工控机、软路由等全产品线

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GUIDE

This article covers full procedures to switch COM2 to RS485 mode for Q30400X series, including J1C2/J2C2 hardware jumper configuration, COM2 RS485 pin assignment, 120‑ohm termination resistor tips, and two troubleshooting solutions for serial‑port sequence disorder. Complete jumper and BIOS setup before RS485 testing.

FAQ

Proxmox VE 9.2 encounters kernel panic and boot freeze after installing kernel 7.0.14-8-pve. This compatibility issue only exists on this specific kernel build, while version 7.0.14-6-pve and older releases work normally. We share verified troubleshooting attempts and a temporary GRUB boot parameter workaround with known limitations.

GUIDE

Follow this step-by-step guide to install and load the Realtek 8125BG network card driver on pfSense 2.7.2 CE. This tutorial covers system package updates, realtek-re-kmod driver installation, loader.conf configuration modification, and post-reboot driver verification, helping users replace the default system driver to fix compatibility issues and ensure stable operation of Realtek 8125BG Ethernet adapters on pfSense systems.

GUIDE

Learn the official UEFI Shell BIOS update steps for Qotom Q20300S9 Series industrial motherboards and soft routers. This guide covers two complete flashing solutions: standard BIOS-only update and advanced BIOS upgrade with 10G SFP+ port speed calibration, specially optimized for Intel Denverton C3808 and C3958 processors. Follow standard pre-operation preparation including HDD removal and FAT32 USB setup to avoid update errors. Note that SFP speed modification requires MAC address rewriting to ensure stable network performance.

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