Dell PowerEdge 1950 Information Update - Page 23

Table 1-5. Integrated Devices Screen Options (continued) Option Description I/OAT DMA Enables or disables the I/O Acceleration Technology (I/OAT) Engine option. When set to Enabled, I/OAT reduces system CPU (Disabled default) usage for applications that use TCP by offloading part of TCP receive operation to the DMA engine. System Interrupts This field controls the interrupt assignment for PCI devices Assignment in the system. When set to Distributed, interrupt routing is (Standard default) swizzled to minimize IRQ sharing among devices. System Security Screen Table 1-6 lists new options for the PowerEdge 1950 III system. NOTE: Systems that are shipping in China are not equipped with TPM. CAUTION: Before enabling the TPM Security option, ensure that the operating system supports TPM. Table 1-6. New System Security Screen Options Option TPM Security (Off default) Description Sets the reporting of the Trusted Platform Module (TPM) in the system. When set to Off (default), presence of the TPM is not reported to the operating system. When set to On with Pre-boot Measurements, the system reports the TPM to the operating system and stores the pre-boot measurements (compliant with Trusted Computing Group standards) to the TPM during POST. When set to On without Pre-boot Measurements, the system reports the TPM to the operating system and bypasses pre-boot measurements. Information Update 23