All I/O signals as well as a full implementation of ISA and PCI buses are mapped to four high-density, low-profile connectors on the bottom side of the module.
ETX boards are available with AMD Geode, VIA, Intel Atom, Pentium, Celeron and Core Duo processors.
The Embedded Technology eXtended (ETX) specification, first developed by Kontron (formerly *JUMPtec) in early 2000.
This is done without changing any of the ETX pin designations, making new modules pin-to-pin compatible with previous versions.
The module or carrier board ETX connectors do not require any changes to use the faster SATA hard drives.