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A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [ 1 ] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.
Gigabyte developed the world's first software-controlled power supply in July 2007. [9] An innovative method to charge the iPad and iPhone on the computer was introduced by Gigabyte in April 2010. [10] Gigabyte launched the world's first Z68 motherboard on 31 May 2011, with an on-board mSATA connection for Intel SSD and Smart Response ...
Early IBM PCs had a routine in the POST that would download a program into RAM through the keyboard port and run it. [26] [27] This feature was intended for factory test or diagnostic purposes. After the motherboard BIOS completes its POST, most BIOS versions search for option ROM modules, also called BIOS extension ROMs, and execute them.
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For example, an upgrade of RAM may not be compatible with existing RAM in a computer. Other hardware components may not be compatible after either an upgrade or downgrade, due to the non-availability of compatible drivers for the hardware with a specific operating system. Conversely, there is the same risk of non-compatibility when software is ...
Under the Hub Architecture, a motherboard would have a two piece chipset consisting of a northbridge chip and a southbridge chip. Over time, the speed of CPUs kept increasing but the bandwidth of the front-side bus (FSB) (connection between the CPU and the motherboard) did not, resulting in a performance bottleneck.
The cost per gigabyte of flash memory remains significantly higher than that of hard disks. [189] Also flash memory has a finite number of P/E ( program/erase ) cycles, but this seems to be currently under control since warranties on flash-based SSDs are approaching those of current hard drives. [ 190 ]
SP1 became available to current Windows Vista users on Windows Update and the Download Center on March 18, 2008. [109] [110] [111] Initially, the service pack only supported five languages – English, French, Spanish, German and Japanese. Support for the remaining 31 languages was released on April 14, 2008. [112]