Asus has unveiled details of a feature in its Intel 915P and 925X-based motherboard's BIOS named PEG (PCI Express Graphics) Link mode.
Asustek Computer today released details of a feature in its 915P and 925X-based motherboards’ BIOS called PEG (PCI Express Graphics) Link mode amid cries of “foul play” from Gigabyte Technology.
The main complaint was that Asustek’s failure to mention this feature with the announcement of the new boards invalidated recent product tests and misled end users about the real performance of the product, according to Gigabyte product manager Rockson Chiang. Gigabyte has no problems with Asustek including features like PEG Link mode with their motherboards, as long as they are mentioned in the product literature, said Chiang.
DigiTimes contacted a respreventative from Asus, who said that this is all a misunderstanding. He proved this by giving DigiTimes scans of the manual. Page 26 of chapter 4 clearly shows the PEG Link Mode.
According to Asustek, PEG Link Mode, which is at the center of the storm, is found only on its 915P- and 925X-based motherboards and allows users to raise GPU and VGA memory throughput via the BIOS the same way the system and memory buses are tweaked. The company added that PEG Link mode can be used to increase video performance on Microsoft DirectX 8 and 9 applications.
Under PEG Link mode, there are five settings: Auto, Slow, Normal, Fast and Faster. The default setting is Auto, which means the motherboard automatically adjusts to match the graphics card frequency set by the system configuration.
Source: DigiTimes (also a scan of that page of the manual can be found there)