The Express-AT is a low power, low cost, COM Express module specially designed to facilitate speedy development of semi custom designs. The Express-AT features a 45nm process Intel® Atom processor N270 with 512 kByte L2 cache. The Atom N270 processor has a thermal design power of just 2.5 watts at peak levels while supporting Intel® SpeedStep® Technology. The Intel® Atom processor N270 also supports Hyper-Threading Technology allowing it perform like a dual-core processor.
The Express-AT supports up to 2 GB of DDR2 667MHz memory on a single SODIMM socket. The Mobile Intel® 945GSE Express Chipset integrates an Intel® Graphics Media Accelerator 950 that provides CRT, single/dual channel LVDS and TV-out (SDTV and HDTV). In addition to the onboard integrated graphics, the SDVO bus can connect to DVI, TMDS or TV-out device controllers. The board also allows connection of up to three additional PCI Express x1 devices on the Intel® I/O Controller Hub 7-M (ICH7-M) Southbridge.
The module comes with a single onboard Gigabit Ethernet port and two SATA ports. It has legacy support for a single parallel IDE channel, 32-bit PCI and LPC. The Express-AT comes equipped with AMIBIOS®8 supporting embedded features such as: Remote Console, CMOS backup, CPU and System Monitoring and a Dual Watchdog Timer for NMI or RESET.