AAEON SBC-357/4M Industrial Single Board Computer

The AAEON SBC-357/4M Rev.A1 is a compact industrial single-board computer designed for embedded control and legacy automation, housed in an approx. 185 × 122 mm PC/104‑form factor. Powered by a 386SX‑compatible ALi M6117C CPU up to 40 MHz with a 16‑bit data bus, it supports up to 20 MB of DRAM on 72-pin SIMMs and offers IDE HDD plus DiskOnChip SSD storage options. I/O includes three RS‑232 ports plus one RS‑232/422/485, a bidirectional parallel port, and simultaneous CRT and LCD display output, with expansion via a PC/104 bus connector. Power is +5 VDC and the operating temperature range is 0°C to 60°C, making it suitable for industrial environments where long‑term reliability and compatibility with older hardware matter. This Rev.A1 SBC is categorized as obsolete/legacy hardware and is commonly used in industrial automation, machine control, data acquisition, and OEM applications requiring embedded control with legacy support.