PC Hardware A Beginner’s Guide

(^260) PC Hardware: A Beginner’s Guide Video Processor On most older video cards, the PC’s CPU is also the video processor and p ...

Resolution The two factors that impact the amount of video RAM needed on the video card are resolution and color depth. Each pix ...

(^262) PC Hardware: A Beginner’s Guide Click Apply to change the display settings. A Compatibility Warning box, as shown in Fig ...

Chapter 12: Video Cards^263 Figure 12-4. The Compatibility Warning box displays when you change the display settings Figure 12-5 ...

(^264) PC Hardware: A Beginner’s Guide The number of bits in the color depth determines the number of colors that can be display ...

So, for a 1024 × 768 resolution using 24-bit color depth, the video card must have at least 2.4MB of video RAM, and more is alwa ...

For a 1024 × 768 resolution using 16-bit color, the calculation is as follows: 1024 * 768 = 786,432 (pixels of resolution) 16 / ...

Chapter 12: Video Cards^267  Double Data Rate SDRAM (DDR SDRAM) DDR SDRAM doubles the data rate of standard SDRAM to produce fa ...

(^268) PC Hardware: A Beginner’s Guide The Video BIOS The function of the video BIOS (Basic Input/Output System) is very much li ...

Chapter 12: Video Cards^269 Video System Resources Unlike other peripheral devices mounted inside the PC’s case, video cards do ...

The RAMDAC The RAMDAC (RAM digital to analog converter) solves the simple problem that the PC and video card are digital and the ...

of its surface, the coordinates of the viewer’s perspective, the location and intensity of a light source, the location and orie ...

(^272) PC Hardware: A Beginner’s Guide Rendering The final step in the preparation phases for a 3D display is the rendering phas ...

Chapter 12: Video Cards^273  Point sampling This texturing technique uses one texel to establish the texture of a triangle. Whi ...

(^274) PC Hardware: A Beginner’s Guide Three very different types of fog are used in 3D graphics:
Linear fog This is the easie ...

white expansion slots on the motherboard, and the AGP is the short brown one typically to the right of the right-most PCI slot ( ...

If the card requires it, verify that the card is properly connected to the power supply using one of the power supply’s connect ...

Chapter 12: Video Cards^277 Troubleshooting Video Problems The following sections include some procedures you can use to trouble ...

(^278) PC Hardware: A Beginner’s Guide If the above is as it should be, check the following: When you boot the system, if you a ...

The Settings for the Video Card Are Not Listed in the Windows Display Settings If you have tried to change the Deskto psettings ...