ThinkPad_T_series

ThinkPad T series

ThinkPad T series

Series of laptops by IBM and Lenovo


The ThinkPad T series is a line of laptop computers. Originally developed by IBM, and introduced in 2000, the brand was sold along with the rest of IBM's business computer division to Chinese technology company Lenovo in 2005, who have continued to produce and market succeeding models.

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History of IBM-branded models

IBM introduced the T series as part of their ThinkPad brand in May 2000.[1] The laptop was meant to cater to users working with multiple networks and in different environments. This resulted in the development of the IBM Embedded Security Subsystem.[1]

From the time of its inception, the series was designed to balance speed and mobility. Despite a 14.1-inch screen, similar to desktops at the time, the titanium composite body on the laptop was designed to keep the weight as low as possible.[1] Users were also given options to swap components for mobility, like a DVD player, writeable CD drive or numeric keypads.[1]

The ThinkPad T20 was released by IBM as the successor to the ThinkPad 600X and ThinkPad 770Z series laptops.[2] With a weight of 2.1 kg (4.6 lb), the T20 was the lightest laptop offering with a screen size of 14.1-inch (360 mm).[3] With the addition of an internal 8x DVD-ROM drive, the weight remained as low as 2.4 kg (5.2 lb).[4]

In October 2000, the ThinkPad T20 was upgraded and released as the ThinkPad T21 laptop with the Intel Mobile Pentium III (800 MHz) CPU.[5] The 14.1-inch LCD display offered a higher resolution of 1400 × 1050. The hard disk space offered was a 32 GBhigh for the time.[1]

Further minor refinements were made to the T2X series resulting in the T22 and finally in 2002 with the T23 a Pentium III-M 1.13 GHz "Tualatin" having 128 MiB of RAM and a 30 GB hard drive.

The ThinkPad T30 was released in May 2002, with options for the Intel Mobile Pentium 4-M processor with the Intel 845MP Mobile Chipset.[6] Additional options included the ATI Mobility Radeon 7500 video controller with 16 MiB graphics memory, a 14.1-inch LCD display with a resolution of 1400 × 1050, and 1 GiB PC2100 RAM.[7] This was complemented by a 60 GB hard drive and a DVD-ROM/CD-RW combo drive, making it a powerful laptop.[8]

The last ThinkPad to have been manufactured directly by IBM (T43).

Announced in March 2003, the ThinkPad T40p represented the first in the T series' "performance" class of laptops.[9] The ThinkPad T40p offered a Pentium M clocked at 1.3, 1.5, or 1.6 GHz, ATI Mobility Radeon 9000 with 64 MiB VRAM, a 14.1-inch LCD display with 1400 × 1050 resolution, a maximum of 2 GiB PC2100 RAM, and a 60 GB IDE hard disk.[10] The design was followed by the T41 and T41p and the T42 and T42p (ATI Mobility Radeon 7500, 9600, and Mobility FireGL T2), with almost complete parts interchangeability, except for the fan (normal or p-series), keyboard (14.1" or 15"), screen (14.1" or 15"), and screen inverter. The 15-inch T42 and T42p models were offered with an optional 1400 × 1050 or 1600 × 1200 "FlexView" IPS LCD display.[11]

Launched in April 2005, the ThinkPad T43 and T43p laptops were the last T-series laptops manufactured for IBM.[1][12] The major improvement was a move to lower-cost DDR2 RAM and a bus speed increase from 400 MT/s to 533 MT/s. Their Pentium M Dothan features the XD bit, making it the first ThinkPad that could run Windows 8.x and Windows 10.

In December 2004 Lenovo announced the acquisition of the IBM PC division[13] including the ThinkPad brand (at the time, 40% of the PC division was working in China.) ThinkPads were being made by Lenovo's arch-rival Great Wall Technology.[14]

Lenovo released the ThinkPad T60 and T60p laptops in February 2006.[15] While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines.[1] In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo.[16] It also was the first T series model to adopt widescreen resolution as a mainstream option; the traditional 4:3 aspect ratio screens was also offered as an alternative at the time but mass industry adoption of the widescreen standard meant that it was the last ThinkPad of its kind to use the 4:3 standard.

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History of Lenovo-branded models

The naming convention for the T series was changed by Lenovo following the release of the ThinkPad T400, T400s, and T500 in July 2008.[18] The Txxp models (like the T61p) were replaced by the W series.[19] Designed as mobile workstations, the W series grew to become Lenovo's line of performance-oriented laptops.[20] The T series remains Lenovo's premier line of laptops, aimed at corporate and enterprise users and is praised by users for its outstanding Linux compatibility. The T-p lineup later returned as an irregular T##0p line with only T440p, T460p, T470p and T540p models. They were replaced by the P series.

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The ThinkPad 25th anniversary edition was released on October 5, 2017. It was based on the T470, but brought back the classic 7-row keyboard.[21][22] In 2018, Lenovo introduced the ThinkPad A485, which officially is not part of the T Series, but it shares the same housing as the T480. It offers a 2nd generation AMD Ryzen PRO processor and lacks Thunderbolt 3 support but has USB-C support. The A475 had been similarly released in 2017 as a variation of the T470, but with AMD Carrizo or Bristol Ridge processors. In 2019 Lenovo officially introduced AMD CPUs in the T series, and differentiated it with the digit 5 at the end of the model number (i.e. T495).

From 2020 onwards, the naming scheme was changed again, with the letter "T" followed by the screen size in inches, then the Generation number and the screen size and CPU manufacturer in brackets (e.g. T14s Gen 2 (14" Intel), T16 Gen 1 (16" AMD)), similar to the scheme used by the X1 series.

Lenovo-branded models

Battery configuration

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2008-2009

T400

T400s

T500

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2010

T410

T410s

T510

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2011

T420

T420s

T520

More information Model, Release (US) ...

2012

T430

T430s

T430u

T530

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2013

T431s

T440

T440s

T440p

T540p

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2015

T450

T450s

T550

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2016

T460

T460s

T460p

T560

More information Model, Release (US) ...

2017

T470

T470s

T470p

A475

25th Anniversary Edition

T570

More information Model, Release (US) ...

2018

T480

T480s

T480s

A485

T580

More information Model, Release (US) ...

2019

T490

T490s

T495

T495s

T590

More information Model, Release (US) ...

2020

T14 Gen 1 (Intel)

T14 Gen 1 (AMD)

T14 Secure Access/Healthcare Edition Gen 1

T14s Gen 1 (Intel)

T14s Gen 1 (AMD)

T15 Gen 1

T15p Gen 1

T15g Gen 1

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2021

T14 Gen 2 (Intel)

T14 Gen 2 (AMD)

T14s Gen 2 (Intel)

T14s Gen 2 (AMD)

T15 Gen 2

T15p Gen 2

T15g Gen 2

More information Model, Release (US) ...

2022

T14 Gen 3 (Intel)

T14 Gen 3 (AMD)

T14s Gen 3 (Intel)

T14s Gen 3 (AMD)

T15p Gen 3

T16 Gen 1 (Intel)

T16 Gen 1 (AMD)

More information Model, Release (US) ...

2023

T14 Gen 4 (Intel)

T14 Gen 4 (AMD)

T14s Gen 4 (Intel)

T14s Gen 4 (AMD)

T16 Gen 2 (Intel)

T16 Gen 2 (AMD)

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Reviews

PCWorld said that the ThinkPad T20 “packs a bigger screen, a more comfortable keyboard, and a larger set of useful features into a smaller package than any of its competitors.”[89] The Web site epinions.com said that the ThinkPad T20 was “worth the wait” giving it 4.5 stars out of 5.[90]

In a review of the ThinkPad T60, Notebook Review called the T-series laptops the “flagship of the ThinkPad brand”,[91] aimed at corporate professionals.[1] Some of the T-series characteristics as listed by notebookreview.com include durability, security, usability, and performance.[92]

The ThinkPad T410 was awarded 4.5 out of 5 stars by Notebook Review upon release.[93] The review noted the centering of the screen, eliminating the thick bezel on one side and the thin bezel on the other.[94] The review indicated that the pros were the speed, battery life, and wide selection of ports.[95] The cons were minor distortions on the screen when flexed, and the high pitched fan.[96] WIRED also reviewed the T410 laptop positively, saying that “Lenovo's thoughtful ThinkPad is a near-perfect machine”.[97]

The PC Advisor review of the ThinkPad T510 called the lack of alterations to the traditional design a good thing.[98] It also highlighted the professional appearance and ‘sturdy build quality’, indicating that this makes the laptop stand out from others in the market.[99]

The T420 and T520 laptops were different from their predecessors mainly through an upgrade to Intel's Sandy Bridge processors.[100] The T420 received a total score of 85% from the Notebook Check web site.[101] The fan noise was noticeably reduced, as indicated by a reviewer from PCWorld.[102] 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.[103]


References

  1. "The History of the ThinkPad". IBM. Archived from the original on July 21, 2011. Retrieved June 1, 2011.
  2. "IBM ThinkPad T20". Archived from the original on October 18, 2012. With the ThinkPad T20, the follow-up to the popular ThinkPad 600 series, IBM sets a new standard for travel notebooks
  3. "IBM ThinkPad T20". Archived from the original on October 18, 2012. With a travel bezel in its modular bay, the T20 weighs only 4.6 pounds, the lightest we've seen for a notebook with a 14.1-inch (360 mm) screen.
  4. "IBM ThinkPad T20". Archived from the original on October 18, 2012. Even carrying the internal 8X DVD-ROM drive you get at this price, it still weighs only 5.2 pounds.
  5. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. The T20 transformed into the ThinkPad T21 in October 2000, with all the main enhancements being the brand-new Intel CPU to as much as Intel Mobile Pentium III 850 MHz, a higher resolution 14.1 in TFT display having 1400 × 1050, as well as hard drive capacities as much as 32 GB.
  6. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. The real game changer was in fact the roll-out of the ThinkPad T30 in May 2002. This T30 had a choice of specifying the Intel Mobile Pentium 4-M processor to as much as 2.4 GHz running together with the Intel 845MP Mobile Chipset.
  7. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. Together with the ATI Mobility Radeon 7500 video controller with 16 MiB graphics memory and a 14.1" LCD display with as much as 1400 × 1050 resolution and the option of 1 GiB PC2100 RAM, it was a real sharp performer.
  8. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. You could stipulate a 60 GB hard drive, a DVD-ROM/CD-RW Combo drive combo for the UltraBay and with its Intel AC'97 Audio this particular fantastic compact notebook computer was capable of running your films back in the hotel after a hard day's work.
  9. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. The moment the ThinkPad T40 was announced in March the year 2003, we saw the earliest of the 'performance' workstation specific ThinkPad's
  10. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. the ThinkPad T40p with the ATI Mobility FireGL 9000 with 64 MiB ram, a 14.1" TFT display with 1400×1050 resolution, still only 2 MiB PC2100 ram as maximum, but with a 60 Gigabyte 7200 RPM Hard Disk for speedy data access.
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  16. "ThinkPad T Series – History and Development". Archived from the original on 2012-02-05. the T Series range had dropped the IBM brand with the T61 plus T61p in May 2007
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  19. "Review Lenovo Thinkpad W500 Notebook". Archived from the original on 2011-05-17. Retrieved 2011-05-19. Until now the Thinkpad T-Model from Leonovo, which was enhanced after the short ending -p, set the standard for professional users with high performance demands. After a complete overhaul of the Lenovo product lineup, coincident with the launch of the Intel Centrino 2, Lenovo is now starting a few new notebook series. Among them are the new mobile workstations with the labels W500 and W700, which are meant to replace the Thinkpad Txxp models.
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  83. "IBM ThinkPad T20". Archived from the original on October 18, 2012. Although it wears the third-highest price tag in our two-spindle notebooks roundup, the $3699 ThinkPad T20 is worth every penny. It packs a bigger screen, a more comfortable keyboard, and a larger set of useful features into a smaller package than any of its competitors. It should delight ThinkPad fans and newcomers looking for a lightweight notebook hampered by few compromises.
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  88. "Lenovo ThinkPad T410 Review". 27 January 2022. Archived from the original on 20 May 2011. Retrieved 19 May 2011. Once opened, ThinkPad fans will notice that Lenovo finally centered the screen, so no more thick bezel on one side and a thin bezel on the other.
  89. "Lenovo ThinkPad T410 Review". 27 January 2022. Archived from the original on 7 May 2011. Retrieved 19 May 2011. The full-redesigned Lenovo ThinkPad T410 offers quite a few enhancements over the previous generation T400, including less keyboard flex, an updated keyboard, a nicer touchpad, huge improvement in port selection, and better component access through the chassis.
  90. "Lenovo ThinkPad T410 Review". 27 January 2022. Archived from the original on 7 May 2011. Retrieved 19 May 2011. Cons: Screen shows some distortion when flexing, High pitched fan could be annoying
  91. "Lenovo ThinkPad T510 review". Archived from the original on 2011-04-26. Retrieved 2011-05-19. Since Lenovo bought IBM's PC and notebook business, not much of the ThinkPad's iconic design has changed, and this is a good thing.
  92. "Lenovo ThinkPad T510 review". Archived from the original on 2011-04-26. Retrieved 2011-05-19. The Lenovo ThinkPad T510 notebook has the same business-like look, the same sturdy build quality, and most of the features that make ThinkPads standout from other business laptops.
  93. "Review Lenovo Thinkpad T420 Notebook". Archived from the original on 2011-05-25. Retrieved 2011-05-19. Essentially, the Tx20 laptops only differ from the previous models, called T410 and T510, by a hardware refresh to the new Sandy Bridge processors.
  94. "Notebook Check - T420 Review". Archived from the original on 2011-05-25. Retrieved 2011-05-19.
  95. "PCMag - Lenovo ThinkPad T420 Review". Archived from the original on 2011-04-12. Retrieved 2011-05-19. The fan near the vent spun consistently even while typing this review, but it didn't get annoyingly loud.
  96. "Lenovo ThinkPad T420s, T420 and T520: up to 30 hours battery life". 21 February 2011. Archived from the original on 28 April 2011. Retrieved 19 May 2011. Battery life is up to 15 hours with the 9-cell pack on the T420, or up to 11 hours with the 9-cell on the T520; the T420s can last up to 10 hours with both the 6-cell regular battery and snap-on battery slice. Alternatively, pair the T420 with the optional 9-cell battery slice and it will run for a ridiculous 30 hours.

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