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No reproductions. This offer is void where prohibited by law, taxed, or restricted. Limit one offer per purchase. For questions about processing, please call Serious allergic reactions have been reported. Symptom relief does not rule out other serious stomach conditions. Call your doctor right away if you have a decrease in the amount that you urinate or if you have blood in your urine.

Call your doctor right away if you have watery stool, stomach pain, and fever that does not go away. People who are taking multiple daily doses of PPI medicines for a long period of time a year or longer may have an increased risk of fractures of the hip, wrist, or spine.

Some people who take PPIs may develop new or worsening of certain types of lupus erythematosus. Call your doctor right away if you have joint pain or rash on your cheeks or arms that gets worse in the sun. People who take PPI medicines for a long time especially more than 1 year have an increased risk of developing a certain type of stomach growth called fundic gland polyps.

Also, please check your computers manual. Windows 95 has a small set of card and services drivers. Once you know that the PCMCIA card and services software are working correctly, you can move on to the second element. Follow the instructions in the card's manual. Once these drivers are installed you must reboot your computer by either turning the computer off and then on again or press the reset button. Table 2. The Celeron M followed as a low-cost version of the Pentium M.

Unlike previous mobile processors from Intel, these chips are not a variation on a desktop chip, but a Pentium-compatible processor built from the ground up for mobile applications. In addition to the chips' energy conservation, Intel also claims that the Pentium M and Celeron M are faster than they may appear.

Because they use a different internal architecture, they are able to squeeze out more effective work during each clock cycle. For example, Intel claims that a typical laptop running a 1. Another processor specifically designed for portable applications is the Efficeon chip from Transmeta. This chip promises very low power consumption but at the expense of processing speed.

The Efficeon has a different instruction set than Intel Pentium processors, requiring it to perform extra steps to translate the Pentium instructions into a form that the Efficeon can understand. Thus, although the Efficeon may have clock speeds comparable to Pentium M chips, its performance is considerably slower. Unfortunately, Transmeta has yet to capture much of the market and is concentrating more on licensing its power-saving technology rather than selling processors.

Some laptop manufacturers occasionally opt for the highest performance possible by using desktop processors. As can be expected, these power-hungry chips result in surprisingly short battery endurance. Note, however, that this quest for desktop performance is never completely successful. Overall system performance depends not merely on the processor but on several other components, and as a result these devices have yet to equal the performance of the fastest desktops.

You can find more information on mobile processors in Chapter 4. Video Display Size and Resolution Ever since the days of the luggables in the early s, the design of portable computers has been highly dependent on the latest lightweight displays.

When low-power LCDs became available, the development of the battery-powered laptop finally became possible. Today, the size of the display is the single most important determinant of the size of the laptop. Currently, virtually all laptops use active-matrix color displays. These screens provide needle-sharp images of high contrast, in most cases better than the CRT displays that most desktops use. Indeed, many desktop users are now upgrading to flat panels.

The prime impetus for this switch may be to save space, but the improved image quality is at least a partial factor. There are, however, a few drawbacks to LCD displays.

The first is that they have a fixed or native resolution. CRT displays can easily switch to higher or lower resolutions. When LCDs are moved above or below their native resolution, however, the image becomes decidedly blurry or even distorted.

The second drawback of LCDs is their limited field of view. These displays may present high-quality images, but only to viewers sitting directly in front of the screen.

People who may be sitting a few feet to the right or left of that optimal position may see an image where the colors have been shifted and the contrast lowered. With the increasing popularity of LCD televisions, some LCD manufacturers are developing screens that are more suitable for wide-angle viewing.

If you plan to use your laptop for informal presentations, you should take a look at laptops that advertise wide-angle capability.

Of course, some people prefer a more limited viewing angle because it makes it harder for other people to read your screen when you are working in public. The good news here, however, is that the prices of LCDs have continually dropped over the years and will continue to do so. Indeed, the popularity of desktop LCD displays should lead to increased volumes and lower prices for both desktops and laptops. Because the technologies used in today's LCDs are basically similar, the main differences among screens have to do with their sizes, their resolutions, and their aspect ratios.

Chapter 11, "Graphics and Sound," includes more detailed information on displays. In general, as time progressed, screens became continually larger.

There is, however, a size limit for laptops. As LCD screen sizes moved beyond 17 inches, measured diagonally, they became too large to be portable and were relegated to desktop use. In today's laptops, screen sizes vary from 7. The most common size is now In general, users are well advised to get the largest screen they can comfortably carry and afford.

But note that for some screen sizes, there may be a choice of several different resolutions available. Choosing the wrong resolution may make the screen harder to read, or limit the amount of information that can be displayed.

Screen Resolution The resolution of a screen depends somewhat on its size. As the size of the screen increases, it can comfortably accommodate more pixels, thus allowing for increased resolution. For A few vendors also offer SXGA, but the unique aspect ratio makes that size and resolution somewhat rare.

Increased resolution also increases pixel density the number of pixels per inch of screen size , which in turn increases the apparent sharpness of photographs and graphic images. Some people even maintain that increased pixel density increases the readability of text. On the downside, however, increased resolution also decreases the size of standard text and icons on the screen.