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Serial number of a laptop computer. In smartphones, serial numbers are extended to the integrated components in addition to the electronic device as a whole, also known as serialization. This gives unique individual parts such as the screen, battery, chip and camera a separate serial number. This is queried by the software for proper release ...
In computing, serial presence detect (SPD) is a standardized way to automatically access information about a memory module. Earlier 72-pin SIMMs included five pins that provided five bits of parallel presence detect (PPD) data, but the 168-pin DIMM standard changed to a serial presence detect to encode more information.
ThinkPad is an American line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, developed and marketed by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the ...
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The T420 received a total score of 85% from the Notebook Check web site. [110] The fan noise was noticeably reduced, as indicated by a reviewer from PCWorld. [ 111 ] The T-series laptops, the T420, the T420s, and the T520, have been lauded for their battery life – up to 30 hours with a 9-cell battery slice.
Lenovo Group Limited, trading as Lenovo (/ l ə ˈ n oʊ v oʊ / lə-NOH-voh, Chinese: 联想; pinyin: Liánxiǎng; Wade–Giles: Lien-hsiang), is a Chinese [9] multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, personal computers, software, servers, converged and hyperconverged infrastructure solutions, and related services. [5]
As 8-bit CPU machines became widely accepted, the number of portables increased rapidly. The first "laptop-sized notebook computer" was the Epson HX-20 , [ 12 ] [ 13 ] invented (patented) by Suwa Seikosha 's Yukio Yokozawa in July 1980, [ 14 ] introduced at the COMDEX computer show in Las Vegas by Japanese company Seiko Epson in 1981, [ 15 ...
Model and serial number location on PowerBook battery On May 20, 2005, Apple and the Consumer Product Safety Commission announced the recall of some Apple PowerBook G4 batteries. These batteries were manufactured by Sony ; Dell , Toshiba , Lenovo , HP , Fujitsu and Acer laptops were also affected by the defective batteries.