CME-Atom User Manual 1.2
www.diamondsystems.com
Page 9
2.3
Bus and Interface Connector Summary
The CME-Atom has two 2x110-pin interface connectors, as listed in the tables below which are defined in
accordance with the PICMG COM Express Specification. Signal functions relating
to all of the module‟s interface
connectors are discussed in greater detail in Section 4 of this document.
2.4
COM Express Bus Connectors
Connector
Location
Pins
Function
COMX AB
Bottom
2x110
USB, GigE, PCI Express, AC97 (audio), SATA, LVDS,
LPC, VGA (CRT), LAN, TV Out, power and ground
interfaces, and system and power management.
COMX CD
Bottom
2x110
32-bit PCI bus and power and ground signals.