Intel D850EMV2 Product Specification - Page 97
Extended Configuration Submenu
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BIOS Setup Program 4.2.1 Extended Configuration Submenu To access this submenu, select Maintenance on the menu bar and then Extended Configuration. Maintenance Main Advanced Security Extended Configuration Power Boot Exit The submenu represented by Table 65 is for setting video memory cache mode. This submenu becomes available when User Defined is selected under Extended Configuration. Table 65. Extended Configuration Submenu Feature Extended Configuration Video Memory Cache Mode Options • Default (default) • User Defined • USWC • UC (default) Description User Defined allows you to set memory control and video memory cache mode. If selected here, it will also display in the Advanced menu as "Extended Menu: Used." Selects Uncacheable Speculative Write-Combining (USWC) video memory cache mode. Full 32-byte contents of the Write Combining buffer are written to memory as required. Cache lookups are not performed. Both the video driver and the application must support Write Combining. Selects UnCacheable (UC) video memory cache mode. This setting identifies the video memory range as uncacheable by the processor. Memory writes are performed in program order. Cache lookups are not performed. This setting is well suited for applications that do not support Write Combining. 97