If your system is hanging and displaying these segments on a POST code reader (Port 80 card) or via on-board LEDs, they represent specific initialization phases:
These markings are commonly found on older Intel motherboards, such as the Intel Desktop Board DH61CR , which are part of the "Innovation" or "Classic" series. www.shi.com Primary Feature: LGA1155 Socket Support Intel Desktop Board 21 B6 E1 E2 Er
He watched the voltage regulators. They were steady. If your system is hanging and displaying these