System boots but doesn’t detect all RAM, or boot loops occur
First, understanding the nomenclature is critical. The "MS-7613" designation suggests an MSI (Micro-Star International) manufactured board, as MSI uses the "MS-xxxx" prefix for its internal model numbers. However, unlike retail boards such as the MSI Z790 Tomahawk, the MS-7613 lacks a glamorous suffix. This, combined with "ver 1.1," points overwhelmingly to an —one built by MSI under contract for system integrators like Hewlett-Packard, Compaq, or Medion. Such boards are rarely documented on MSI’s public website. Instead, their specifications are buried within the support pages of the prebuilt computer’s brand, often under cryptic chassis names like "Pavilion Elite" or "eMachines ET Series." Consequently, searching for a direct "MS-7613 ver 1.1 manual link" on MSI.com returns nothing, because no such document exists for the standalone consumer.
(search for MS-7613): https://www.msi.com/support/download/ — but you’ll need the exact commercial model name (e.g., Medion MS-7613).