Hello Nadeem, Thank's A Lot. SiS is Sucks, Why I have both VideoCard..! Oh this because I just have PCI Slot (no AGP) Is there Utility to know the truth of RAMDAC, MEMCLOCK ? I think in X detection (LOG)isn't right..! SiS 6326 in manual said has 203 RAMDAC, but X 4.0 detect 175.. Thursday, June 29, 2000, 1:59:45 AM, you wrote: NH> Here is the Definition for RAMDAC: NH> Short for Random Access Memory Digital-to-Analog Converter, NH> a single chip on video adapter cards. The RAMDAC's role is to NH> convert digitally encoded images into analog signals that can be NH> displayed by a monitor. A RAMDAC actually consists of four NH> different components - SRAM to store the color map and three NH> digital-to-analog converters (DACs), one for each of the monitor's NH> red, green, and blue electron guns. NH> and for DDC: NH> Short for Display Data Channel, a VESA standard for communication NH> between a monitor and a video adapter. Using DDC, a monitor can NH> inform the video card about its properties, such as maximum NH> resolution and color depth. The video card can then use this NH> information to ensure that the user is presented with valid NH> options for configuring the display. NH> Faster RAMDACs are better as it allows higher resolutions. NH> Hope this answers your questions... -- Best regards, Syeh mailto:A3@telkom.net -- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the FAQ at http://www.suse.com/Support/Doku/FAQ/