This guide introduces the PCC 3668 PC/104 LX industrial computer motherboard, highlighting its low‑power AMD Geode LX CPU, DDR SDRAM, multiple I/O interfaces, and fan‑less operation. It outlines the board's features, specifications, and typical applications such as equipment monitoring and media playback.
The manual details jumper settings, connector pin definitions, and step‑by‑step hardware installation procedures, including LCD, keyboard/mouse, storage, serial, audio, and power connections. Appendices cover system resources, watchdog usage, GPIO examples, and wiring methods. This manual is written in Chinese.
| Processor | AMD Geode LX CPU, 433/500/600 MHz (default 500 MHz) |
|---|---|
| System Memory | 256 MB DDR SDRAM |
| LAN | 2× Realtek RTL8139DL 10/100 Mbps Ethernet controller |
| Audio | AC'97 sound card with line‑out, line‑in, mic input |
| USB Ports | 4× USB 2.0 standard ports |
| Serial Ports | 4× serial ports, 2 configurable as RS485 |
| Watchdog Timer | 65536‑level programmable, 0‑65535 sec/min interval |
| Power Supply | +5 V @ 1.5 A (CPU +5 V, memory) |
| Dimensions | 96 mm × 115 mm (PC/104 standard) |
| Operating Temperature | 0 °C – 60 °C |
| Relative Humidity | 59 % – 95 % non‑condensing |
It uses an AMD Geode LX CPU with selectable frequencies of 433 MHz, 500 MHz (default), or 600 MHz.
The board includes four standard USB 2.0 ports.
Yes, the board has four serial ports, and two of them can be set to RS485 mode.
The motherboard operates from 0 °C up to 60 °C.