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The vast majority of Intel server chips of the Xeon E3, Xeon E5, and Xeon E7 product lines support VT-d. The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 with two cores at 1.86 GHz on a 45 nm process. [2]
Later, AMD developed AMP, an equivalent technology to XMP, for use in its "Radeon Memory" line of memory modules optimized for use in AMD platforms. [ 25 ] [ 26 ] Furthermore, motherboard developers implemented their own technologies to allow their AMD-based motherboards to read XMP profiles: MSI offers A-XMP, [ 27 ] ASUS has DOCP (Direct Over ...
Prior to the development and ubiquitous adoption of the Plug and Play BIOS standard, an add-on device such as a hard disk controller or a network adapter card (NIC) was generally required to include an option ROM in order to be bootable, as the motherboard BIOS did not include any support for the device and so could not incorporate it into the BIOS's boot protocol.
Comparison of the I/O memory management unit (IOMMU) to the memory management unit (MMU).. In computing, an input–output memory management unit (IOMMU) is a memory management unit (MMU) connecting a direct-memory-access–capable (DMA-capable) I/O bus to the main memory.
Intel i945GC northbridge with Pentium Dual-Core microprocessor. This article provides a list of motherboard chipsets made by Intel, divided into three main categories: those that use the PCI bus for interconnection (the 4xx series), those that connect using specialized "hub links" (the 8xx series), and those that connect using PCI Express (the 9xx series).
The Message Signaled Interrupts (MSI) feature of the PCI 2.2 and later specifications cannot be used without the local APIC being enabled. [8] Use of MSI obviates the need for an I/O APIC. Additionally, up to 224 interrupts are supported in MSI mode, and IRQ sharing is not allowed.
The Intel Management Engine always runs as long as the motherboard is receiving power, even when the computer is turned off. This issue can be mitigated with the deployment of a hardware device which is able to disconnect all connections to mains power as well as all internal forms of energy storage.
FreeBSD 6.3 and 7.0 released in 2008 added support for MSI and MSI-X. [17] OpenBSD 5.0 released in 2011 added support for MSI. [18] 6.0 added support for MSI-X. [19] Linux gained support for MSI and MSI-X around 2003. [20] Linux kernel versions before 2.6.20 are known to have serious bugs and limitations in their implementation of MSI/MSI-X. [21]