Graphic Window WR Combin
Common Options : Enabled, Disabled
This BIOS feature allows you to control the USWC (Uncached Speculative Write Combining) write combine buffers. Somehow, they had to give it the badly mangled name of Graphic Window WR Combin.
If enabled, the write combine buffers will accumulate and combine partial or smaller graphics writes from the processor and write them to the graphics card as burst writes.
If disabled, the write combine buffers will be disabled. All graphics writes from the processor will be written to the graphics card directly.
It is highly recommended that you enable this feature for improved graphics and processor performance.
However, if you are using an older graphics card, it may not be compatible with this feature. Enabling this feature with such graphics cards will cause a host of problems like graphics artifacts, system crashes and even the inability to boot up properly.
If you face such problems, you should disable this BIOS feature immediately.
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