HP ProLiant DL985 HP ROM-Based Setup Utility User Guide - Page 80
Address Mode 44-bit (G7 servers), When this option is disabled
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• Automatic (The system ROM configures either 2GB or 3GB depending on the amount of Memory Mapped I/O the system requires.) Address Mode 44-bit (G7 servers) Enabling this option allows memory to be addressed with 44 bits, allowing for configuration of a large memory configuration, such as servers with more than 1 TB of memory. Verify that the OS supports 44-bit addressing capability before enabling this option. When this option is disabled, there is a possibility that some installed memory in the system will not be configured; therefore, not recognized by the OS. This impact varies depending on the system memory configuration. RBSU menu (HP ProLiant G7 servers or server blades) 80
![](/manual_guide/products/hewlettpackard-proliant-dl170e-hp-rombased-setup-utility-user-guide-3053bb1/80.png)
RBSU menu (HP ProLiant G7 servers or server blades)
80
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Automatic (The system ROM configures either 2GB or 3GB depending on the amount of Memory
Mapped I/O the system requires.)
Address Mode 44-bit (G7 servers)
Enabling this option allows memory to be addressed with 44 bits, allowing for configuration of a large
memory configuration, such as servers with more than 1 TB of memory. Verify that the OS supports 44-bit
addressing capability before enabling this option.
When this option is disabled, there is a possibility that some installed memory in the system will not be
configured; therefore, not recognized by the OS. This impact varies depending on the system memory
configuration.