What are the advantages of ibm?

As a model of business machine, reposting IBMThinkPad notebook has won great praise from users. XDJM, who may be more careful, has long discovered the difference between TP and other books, and IBM has applied many proprietary technologies to it. What about these proprietary technologies? Listen to the author slowly. First, AccessIBM opens TP, and you may find a blue AccessIBM key in the upper left corner of the keyboard, which is not available in other brands of notebooks, but it is available in all TP products. The main function of this key is to restore the system. I think it is necessary to briefly introduce the mechanism of IBM system recovery before going on. TP has no recovery disk, and only about 5G of space is reserved in the hard disk as a hidden partition (HPA). Inside is the mirror image of OEM operating system. When the system crashes or is unstable, it is necessary to restore the factory settings of the notebook. You can follow the following steps: first, back up important documents; Then restart the machine. After seeing the startup LOGO, press the AccessIBM key to prompt recovery according to the English content displayed on the screen. After entering the system, press this key to bring up the system software AccessIBM. (At present, Lenovo has been replaced by ThinkVantege, with similar functions. )Acessimb II。 Above HPA, the author has mentioned the hidden partition HPA. The so-called HPA is actually to create an OEM operating system mirror partition on the hard disk and save it separately. By default, it is invisible. Maybe many XDJM are as curious about HPA as the author. How to open it? You can refer to the instructions in your own books and set relevant options in the BIOS. Here's another reminder. Even if HPA is changed to be visible, if you want to back up HPA directly, you can only do it on machines after R50 and T4 1. Old people can only say sorry and considerate design-red dot keyboard light III. ThinkTrackPoint You can find a red dot in the middle of a dark keyboard, which is IBM's proud ThinkTrackPoint, a large Chinese pointing stick. It's strange, why can this little pole move freely instead of the mouse? In fact, under the red rubber cap, the top of the pole is covered with a very thin ceramic sheet. With the movement of the fingertip, the ceramic piece is concave and convex under the action of external force. This change is transmitted to the integrated circuit at the lower end of the pointing stick. After the integrated circuit processes this information, it reflects the coordinate position of the mouse to the system. So we can see the mouse dancing gently on the LCD. Little red dot, IBM ThinkPad In fact, ThinkTrackPoint is not only a pole, but also includes three buttons. We should soon find that there is a blue edge key on the left and right below the keyboard, which is equivalent to the left and right keys of the mouse; The button with a purple border in the middle is equivalent to the mouse wheel. These three buttons and the pointing stick form a complete ThinkTrackPoint. Its debugging can be configured in IBM's system software AccessIBM. The advantages of ThinkTrackPoint are fast moving speed and good accuracy. The only drawback is that it takes a period of adaptation (including the author's one-week adaptation period). In addition, I suggest not to use it in the game. It is a better idea to connect the mouse externally. An XD used it to play CS and Starcraft for half a year, and the pointing stick was scrapped. It cost 800 yuan to change the keyboard at Lankuai, which is really not worth the candle. Fourth, ThinkLight ThinkLight is a keyboard light and unique to TP. When IBM first introduced ThinkLight, many people called it chicken ribs, pointing out that it was useless because LCD was enough to illuminate the keyboard. But it turns out that these people's statements are not correct. The author personally experienced the deadline when there was a power outage at night. It was dark all around. In order to save electricity and make the LCD less dazzling, the brightness is lowered, but the keys on the keyboard become blurred. At this time, you need a keyboard light. How to turn on ThinkLight? There is a mantra among black friends: add the upper right corner to the lower left corner, which is the Fn key +PgUp key. Starting from T40, the position of the keyboard light changes from the left side above the LCD screen to the right side above the LCD screen. The T40I2C keyboard lamp used by the author is like a bright moon shining on the keyboard when it is dark all around. And R50 is yellow light. The author thinks that white light is brighter, brighter in dark environment, but slightly dazzling. Although the yellow light is dark, it is very soft. Which is good and which is bad depends on the specific situation of users. Quality is reflected in the details. 5. Full-size keyboard IBM uses full-size keyboards in its and T series, which is very rare in other brands of notebooks. TP has always emphasized the comfort and ease of use of the keyboard. Even friends who have only used computers and never used laptops will never feel uncomfortable using TP keyboards. From butterfly machine to 600 series, until now T4 1, the comfort of TP keyboard is unparalleled, and the only keyboard that can match it is probably Apple's notebook. The comfort of 600 series keyboards has reached its peak, and it has been talked about by black friends until now. Judging from the manuscripts often written by the author, the keycap seems to be very easy to wear. Anyway, the keyboard that has been playing for two months is already shining. IBM keyboard VI. Carbon fiber titanium composite gold shell IBM uses carbon fiber and titanium alloy granular materials as shells in its T series and X series (only in the cover part). The advantages of this material are light weight, small volume and firmness. The only drawback is the high cost. Other brands compete to use ABS engineering plastics as their shell materials to reduce costs. But IBM has been "stubbornly" using this material, and it has not changed until now. Take the author T40I2C as an example, its thickness and weight are not as good as ABS engineering plastics, but its hardness is not inferior. Super scalability seven. UltrabaySlim, an interface developed from the early Ultrabay2000, is thinner. This interface is unique to IBMTP and widely distributed in T40, T4 1, T42, R50 and R5 1. It can be connected to any hard disk, battery, CD-ROM drive, keyboard and PDA. This can be said to be the PC card interface of IBM notebook, which can access many optional devices of TP. In standard configuration, this interface is connected to an optical drive. UltrabaySlim VIII Port replicator/docking station/base We can find a narrow slot under the fuselage of most TP (except Samsung R40E), which is exactly what IBM configured for TP. T series can use the first two, and the bottom seat is specially configured for X series. Port Replicator, we can understand it as the HUB of some common ports. The docking station is a backward compatible port replicator, which is equipped with an uncommon serial port, PS2, etc. You can also directly turn off the notebook and directly supply power to the notebook through the AC power supply. In addition, the docking station has two built-in speakers, which can make sound by going up a flight of stairs. X series is an ultra-thin model, and the machine itself has no optical drive. If you want to install programs or play CDs, you can only use the cradle. A DVD-COM, parallel port, serial port, USB, PS2, etc. It is the standard configuration of the chassis. X portability is greatly reduced after installing the base. I have measured by hand that the X3 1+ base is slightly heavier than my T40, and the X40+ base is only slightly lighter than the T40. Here, I would also like to remind you that the X40 adopts a new base that is completely incompatible with the previous XX series. Please note that data security protection is everywhere. 9. Security Chip IBM has always emphasized the security performance of TP, so all models except Samsung R40E are equipped with security chips. Its principle is: set a special chip on the motherboard to record some special information of the machine. To make it easier to understand, you can think of it as something equivalent to BIOS. By default, the security chip is off. If you want to use it, first open it in the BIOS, and then download and install the security chip software, you can set the boot password and hard disk password, which is a great boon for business people. After all, the information in this notebook is priceless. Don't forget the two passwords mentioned above, otherwise it's useless even if you disassemble the hard disk to another machine. Even IBM can't decrypt it for you. You have to change the hard disk and motherboard. For business users, I strongly recommend enabling this feature; Individual users, depending on the need, XD with poor memory can be saved. X. Hard disk APS protection technology Starting from R50 and T4 1, IBM began to join the hard disk APS technology independently developed by IBM China. Its principle is: add a special detection chip on the motherboard to record the speed and angle of notebook movement at ordinary times. Once the speed, angle or acceleration are abnormal, the chip will immediately send instructions to the hard disk to reset and stop the hard disk head in a short time, thus protecting the hard disk. This patented technology, IBM claims that its function is comparable to ABS in cars.