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The graphics address remapping table (GART), [1] also known as the graphics aperture remapping table, [2] or graphics translation table (GTT), [3] is an I/O memory management unit (IOMMU) used by Accelerated Graphics Port (AGP) and PCI Express (PCIe) graphics cards.
At AGP 1× speed, this may be sent as a single byte and a following 16-bit side-band request started one cycle later. At AGP 2× and higher speeds, all side-band requests, including this NOP, are 16 bits long. Sideband address bytes are sent at the same rate as data transfers, up to 8× the 66 MHz basic bus clock.
Die size – Physical surface area of the die. Core config – The layout of the graphics pipeline, in terms of functional units. Core clock – The reference base and boost (if available) core clock frequency.
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g., red indicates a 4:3 ratio). This article lists computer monitor, television, digital film, and other graphics display resolutions that are in common use. Most of them use certain preferred numbers.
AGP 2× Mode (max aperture size 32 or 64 MB) UDMA/33; Supported RAM types: SDRAM (PC66 and PC100, PC133 with overclocking) up to 4 DIMMs of 256 MB; Supported CPUs: Pentium II with 66 and 100 MHz FSB; Pentium III with 100 MHz FSB (133 with overclocking) Celeron (Covington, Mendocino, Coppermine) Allowed up to two CPUs for SMP
In computing, an aperture is a portion of physical address space (i.e. physical memory) that is associated with a particular peripheral device or a memory unit. Apertures may reach external devices such as ROM or RAM chips, or internal memory on the CPU itself.
SVG image showing decreasing aperture sizes. Date: 11 December 2006 (original upload date) ... Bigger text to show up better in small size image. 2006-12-11 02:51 ...
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