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In a raw Itanium, a "Processor Abstraction Layer" (PAL) is integrated into the system. When it is booted the PAL is loaded into the CPU and gives a low-level interface that abstracts some instructions and gives a mechanism for processor updates distributed via a BIOS update.
During BIOS initialization an additional layer of code, the "System Abstraction Layer" (SAL) is loaded that gives a uniform API for execution-specific platform functions.
On top of the PAL/SAL interface sits the "Extensible Firmware Interface" (EFI). EFI is not part of the IA-64 architecture but by convention it is needed on all IA-64 systems. It is a easy API for access to logical aspects of the system (display, storage, keyboard, etc) combined with a lightweight runtime environment (same to DOS) that allows basic system administration tasks such as configuring storage adapters, flashing BIOS and running an OS boot-loader.
Once the OS has been booted, some aspects of the PAL/SAL/EFI stack remain resident in memory and can be accessed by the OS to perform low-level tasks that are implementation-dependent on the underlying hardware.
Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro
How to clear a datagrid on a button click? You require to Clear the DataSource of the dataGrid. So try this: dataSet1.Clear(); dataGrid1.DataSource = dataSet1.TableNam
What are the address-sequencing capabilities required in a control memory? i. Incrementing the control address register ii. Unconditional branch as specified by address fiel
What is a SAP system? The union of all s/w components that are assigned to the similar databases is known as a SAP system.
Define static memories? Memories that consists of circuits capable of retaining their state as long as power is applied is known as static memories
This step of systems examination is one of the most difficult. In this stage systems specifications are identified by asking what, who, when, where and how. A few questions address
You are required to carry out the task of the Computer Systems Consultant mentioned above. Your quotation/recommendations, which must be justified, should include information wi
Write decoder functionality in only one statement in verilog module decoder( // Outputs dout, // Inputs din ); input [3:0] din; output [15:0] dout;
What is smoke testing? Smoke testing is a combined approach that is generally used when "shrinkwrapped" software products are being developed.
process
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