The shared memory addressing enhancements increase the shared memory addressability and increases the flexibility of shared memory allocation when the -shmsegsize configuration parameter is used. On 32-bit platforms, the OpenEdge RDBMS will allocate more than 2 GB of shared memory if the operating systems and machine supports the increased shared memory allocations. Even though the OpenEdge RDBMS can address larger shared memory pools than it did in prior releases, it can still only allocate and utilize as much shared memory as the operating system allows. Understanding the basic principles used by your operating system to "build" a process address space will help you understand how to set your configuration parameters when you start your databases.