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* Dell - Inspiron and Latitude * Docking stations may be used for expanding connectors and quickly connecting many components to the laptop, although they are falling out of favour as laptops' integral capabilities increase and USB allows several peripherals to be connected through one plug. * LG - XNOTE * NEC - VERSA, LaVie * iQon - Qompanion Two other noteworthy early laptops were the Sharp PC-5000 (1983) and the Gavilan SC, announced in 1983 but first sold in 1984. The Gavilan was notably the first computer to be marketed as a "laptop." It was also equipped with a pioneering touchpad-like pointing device, installed on a panel above the keyboard. Like the GriD Compass, the Gavilan and the Sharp were housed in clamshell cases, but they were partly IBM-compatible, although primarily running their own system software. Both had LCD displays, and had optional printers that attached to their cases. Laptops generally cost more than a desktop computer of similar specification. Performance is usually lower than that of a comparable desktop because of the compromises necessary to keep weight and power consumption low.

* Improved hard disk technology. Early laptops had only floppy disk drives. As thin, high-capacity hard disk drives with higher reliability and shock resistance and lower power consumption became available, users could store their work on laptop computers and take it with them. * PDA * Acer - TravelMate and Aspire The first Apple Computer machine designed to be used on the go was the 1989 Macintosh Portable (although an LCD screen had been an option for the transportable Apple IIc in 1984). Another "luggable," rather than laptop, the Mac Portable was praised for its clear active matrix display and long battery life, but was a poor seller due to its bulk. In the absence of a true Apple laptop, several compatible machines such as the Outbound Laptop were available for Mac users; however, for copyright reasons, the user had to supply a set of Mac ROMs, which usually meant having to buy a new or used Macintosh as well. * Current models use lithium ion batteries, which have largely replaced the older nickel metal-hydride technology. Typical battery life for most laptops is two to five hours with light-duty use, but may drop to as little as one hour with intensive use. Batteries gradually degrade over time and eventually need to be replaced, depending on the charging and discharging pattern, from one to five years. * Averatec Later PowerBooks introduced the first 256-color displays, first true touchpad, and first built-in Ethernet networking. * Notebooks smaller than a A4 sheet of paper and weighing around 1 kg are sometimes called sub-notebooks or subnotebooks.

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* Dell - Inspiron and Latitude The word laptop is often spelled incorrectly as "labtop," "lab top," or "lap top." * Winbook Upgradability is severely limited: typically only the RAM and hard drive can be upgraded. Often the CPU can also be replaced, and sometimes video card modules are upgradable too. Many laptops also include a MiniPCI slot inside, however it is usually not intended to be utilized by the end user. Because nearly all functions are integrated into the proprietary-design mainboard theoretically to save space and power, laptops are difficult to repair and upgrade. Outright replacement of faulty parts can include the display screen, drives, daughterboards, modem, storage devices and other components, but repair costs can be high, even when feasible (low upgradability). There is not a standard for A4-size laptops. Despite their name, using a laptop on one's lap can be both unpleasant (due to heat from the computer, particularly from its CPU) and possibly even dangerous to the laptop, as it may overheat. It is sometimes preferable to use a laptop on a desk. * Tadpole - SPARCbook

* Linuxcertified - Linux laptop * Medion By the end of the 1980s, laptop computers were becoming popular among business people. The NEC Ultralite, released in mid-1989, was perhaps the first notebook computer, weighing just over 2 kg; in lieu of a floppy or hard drive, it contained a 2-megabyte RAM drive, but this reduced its utility as well as its size. The first notebook computers with standard drives were the Compaq LTE series, introduced toward the end of that year. Truly the size of a notebook, they had hard drives and standard-resolution screens. * Improved battery technology. The heavy lead-acid batteries were replaced with lighter and more efficient technologies, first nickel metal hydride (NiMH) and then lithium ion and lithium polymer. * Hewlett Packard - HP Pavilion and HP Omnibook * Improved battery technology. The heavy lead-acid batteries were replaced with lighter and more efficient technologies, first nickel metal hydride (NiMH) and then lithium ion and lithium polymer. * iQon - Qompanion * Most laptops are powered or recharged from an external AC converter that usually takes the form of a plain black rectangular box. These devices weigh about 500 g (about 1 lb) and often take the name "power brick."