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Hypersensitivity, a vast subject: This state is an integral part of the personality of the gifted, it is a neurophysiological reality. It is an attempt to explain what tree thinking or analog thought is about linear or sequential thinking. The gifted and love 1This fear will stop him. But his desire for love, his idealistic side will often push him beyond. It is a very great strength. Because if we have our weaknesses, we also have strengths. Many of the applications I ran during the review process moved along at a snail's pace, es- pecially in Windows, when com- pared with performance on the oth- er systems covered here.

I can't offer any explanation for this, but I suspect that the motherboard's nonintegration and slow floppy drives were major contributors to the system's slow performance. Buying a computer often in- volves a series of trade-offs, es- pecially when you place price high on your list.

If you're a power user looking to upgrade to a high- performance SX system, you might want to continue your search for a machine to purchase. It stands for Direct Bus, Swan's own combination of local bus architecture with the S3 video accelerator chip. While this results in incredibly fast video perform- ance, it's just one of the many note- worthy features of this machine. Just in case you decide you might need more computing power later, there's a socket for adding a Weitek math coprocessor, and the motherboard can accom- modate up to 64MB of RAM direct- ly.

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Never again delete or change anything accidentally Keep out snoops, thieves, vandals. And prevent virus attacks. All at one low price! The SX system case af- fords acceptable expansion pos- sibilities despite its compact size. Thanks to a highly integrated moth- erboard, there are three full bit expansion slots available for add- ing user-installed peripherals. Fort Worth, TX ! There's room in this system box for you to add two storage devices to the 1. The built-in Super VGA video adapter with its standard config- uration of K of video RAM yields noninterlaced x and x graphics modes with color palettes.

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When you've compiled the program, type zone city, where city stands for the name of the city where you want to know the time. Don't use the cities In the example list as references. East of New- foundland and west of British Columbia, we weren't sure about the layout of time zones. We suspect that there's more than one time zone between Tokyo and Sin- gapore, for example.

Whenever I use Diskcopy it takes me three or four passes to copy a high- density disk, whether I've just booted the system or not. If you upgrade to Windows 3. Lack- ing these utilities, many peo- ple create a directory specifi- cally for copying and use the Xcopy command to copy disks. If you were copying the disk in your A drive, you would use this command.

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Circle Reader Service Number disks onto 1. Since you'll probably install ttie program on your hard disk anyway, you aren 'f likely to use the disks more than once. Utilities Needed 1 need a good assembler and some- thing to capture screens from my PC, Do you have any recommendations? A favorite is Collage Plus from Inner Media. HiJaak from Inset Systems can not only capture screens but also convert graphics files among many different formats.

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Sherlock Holmes & le Nécronomicon T01!
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III no txu cneckM. But there's a limit to the amount of power that engi- neers can pack into a battery. Extending laptop life means us- ing less power somehow. One question I get when I talk about this subject con- cerns solar power. The answer is, "Not yet, but eventually" There are so- lar panels for laptops that can provide about milliamps of power; notebooks need around milliamps. You'd need a pretty big set of pan- els to power a laptop. Let's examine these power porkers in order. Displays draw the most pow- er.

I see that every time 1 con- nect my laptop to an external display — the laptop runs for hours and hours off a single charge. Displays would be a lot easier on the batteries if they were 1 slower. Displays must be refreshed many times per second, mean- ing that an electrical circuit must repaint the image on the LCD screen usually about 50 times per second.

Here's a side note that will be useful for the rest of this ar- ticie. The frequency of that signal affects the circuit's power-consump- tion rate like so: In that formula, C refers to the Capacitance of the circuit, V refers to the Voltage of the circuit, and f refers to the fre- quency of the circuit. In terms relevant to our current prob- lem — displaying data on a com- puter screen — the term fre- quency relates to the video refresh rate.

Typically, a screen should refresh at about 60 times per second, but 50 is acceptable, and look what it does for the pow- er consumption. Changing the frequency from 60 to 50 reduc- es display power consump- tion by 17 percent. Unfortunately, that refresh clock isn't driven by the num- ber of screens painted per sec- ond; it's driven by the number of lines painted on the screen per second.

This means that the line clock must tick x 50 times per second. The next laptop display prob- lem comes from backlighting. Supertwist LCDs show high res- olution, but they really need to be backlit to be visible in my opinion, that is — there are cer- tainly supertwist LCDs that ar- en't backlit, but I find them un- readable. The fluorescent light behind a backlit LCD draws sub- stantial juice. What can be done to keep laptop power consumption down? You can shut down the laptop display altogether dur- ing inactivity. It's annoying, but if you're like me, you prob- ably get distracted in the mid- dle of battery-powered work by airline seatmates, flight at- tendants, or the like.

Those ex- tra minutes of display down- time can significantly extend battery life. And whenever pos- sible, turn the display bright- ness down, reducing the amount of power that the fluo- rescent tube needs. Today's laptops can't live without hard disks, as evi- denced by the fact that you just can't run Windows from floppies. The really big disk amp-suck- er, however, is the action of pow- ering up the hard disk.

It takes a lot less power to keep a disk spinning than it does to get it spinning in the first place, which makes me leery about the common laptop practice of shutting down the hard disk when Inactive, My laptop came out of the box set to shut down the hard disk after one minute of inactivity, a setting that led to near-constant power ups and downs for the hard disk. Not on- ly does that draw power, but it's just plain no good for the hard disk motor, and surely shortens its life.

Consequently, I compro- mised and set my disk timeout to the maximum allowed by my setup program, 15 minutes. An interesting bit of good news for laptops comes from an examination of what deter- mines how much power is re- quired to get a disk spinning in the first place. The amount of power needed to get a disk spinning is proportional to the cube of the radius of the disk.

When you control this many aircraft at once, anything can happen. And why Mallard's ATC" is so much fun. Fuel consumption and time projections. A swarm of flight crews and tower controllers making priority requests by the minute. Take the chair of the controller, handling all the ti major city. ATC '" is no gn. Tliis means that the startup power re- quired for a 2-inch disk is small- er by a factor of 3.

Buy laptops with small plat- ters where possible. Don't wor- ry so much about capacity, as that's not as important in pow- er consumption, and from a practical point of view, you should have as much disk space as possible in order to run today's software. Experiment a bit to find out the best timeout value for your laptop's hard disk. You don't ever want the hard disk to pow- er down while you're scratch- ing your head looking for the right word.

Instead, you want the laptop to power down when you've turned away to an- swer the phone or chat with the person sitting next to you on the airplane. The next power purloiner is the system's main memory. But more memory needs more power ,. While it depends on how the memory is laid out on your lap- top, you'll typicaliy find that the fewer the number of memory chips in your system, the lower the power consumption. These are small circuit boards about the size of a stick of gum that are the typ- ical packaging for memory these days.

Be careful when you're buy- ing those SIMMs. Use the SIMMs that the manufacturer recommends, or you'll throw away power like crazy. A lot of what makes memory draw pow- er is that it must be refreshed on a regular basis. Think of each memory location as be- ing like a small storage contain- er for colored water. Red col- ored water represents a 0, and blue colored water repre- sents a 1.

A program stores da- ta by putting water of the ap- propriate color into a contain- er. So far, so good. Unfortunately, the storage containers are leaky. The alter- native is a static RAM, which is essentially composed of con- tainers that don't leak. You put data in the containers, keep a steady supply of power to those containers, and the da- ta stays there.

Remove the power, and even a static RAM loses its contents, The refreshing that the dy- namic RAM requires is accom- plished by a circuit that con- stantly rereads the memory, with the resultant side effect that the storage containers get refilled.

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Buy normal SIMMs, and your notebook wiii run fine, but you'll seriously de- grade its battery life. So check with your manufacturer before you buy upgrade mem- ory for your system. There's not much that can be done about the floppy, as it doesn't require power unless you're accessing it. But what about the CPU and support cir- cuitry? Look once again at the formula relating AC circuits to power consumption. The entire motherboard of your laptop moves to the beat of the cen- tral system clock. A clock that runs at 20 MHz has a frequen- cy of 20 million cycles per sec- ond, and you recall that the high- er the frequency, the higher the power drain.

Smart laptops de- tect idle time and drop the clock or, even better, stop the clock altogether. It's not quite as easy as that, however, as many of the memory compo- nents inside the CPU itself are dynamic and require refresh- ing. You can't just stop the clock on many motherboards and expect the data to remain intact. That's why Intel devel- opedtheSL. You can stop its dock without any trouble.

To see another way to save power, consider this power- consumption formula for direct current DC: Traditional- ly, chips have run at 5 volts. Some manufacturers reduce voltage by just running the chips at a voltage level a bit be- low their rated values. For ex- ample, a circuit that uses three AA batteries would only have 4. Another ap- proach is to use a chip that draws less power. Intel has a 3. I'm running out of space, so here are a few more ideas for the lesser power drains. Many notebooks let you disable the serial ports with the setup pro- gram that comes with the note- book.