Dell PowerEdge 2950 Information Update - Page 21

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 usage (Disabled default) 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. Table 1-6 lists the updated information on the default value of embedded GB NIC2. Table 1-6. Integrated Devices Screen Option Option Description Embedded Gb NIC2 Enables or disables the system's integrated NIC. Options are (Enabled without PXE default) Enabled without PXE, Enabled with PXE, and Disabled. PXE support allows the system to boot from the network. Changes take effect after the system reboots. System Security Screen Table 1-7 lists new options for the PowerEdge 2950 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. Information Update 21