Data buffer: Difference between revisions

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Latest revision as of 14:22, 12 August 2025

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*The buffer between a serial port ([[Universal asynchronous receiver-transmitter|UART]]) and a [[modem]]. The [[COM port]] speed may be 38400 bit/s while the modem may have only a 14400 bit/s [[carrier wave|carrier]].

*The integrated [[disk buffer]] on a hard disk drive, solid state drive or BD/DVD/CD drive.

*The integrated [[Static random-access memory|SRAM]] buffer on an [[Ethernet adapter]].<ref> https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eb-gigabit-ethernet-controller-datasheet.pdf {{Bare URL PDF|date=August 2025}}</ref>

*The [[operatingWindows systemNT kernel]] also manages a portion of [[main memory]] as the buffer for slower devices such as [[sound card]]s and [[network interface controller]]s.<ref>{{cite web | url=https://learn.microsoft.com/en-us/windows-hardware/drivers/netcx/network-data-buffer-management | title=Network data buffer management - Windows drivers }}</ref><ref>https://learn.microsoft.com/en-us/previous-versions/windows/desktop/ee416820%28v=vs.85%29</ref>

*The [[framebuffer]] on a video card.