Difference between revisions of "Category:T420"

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(4K on Intel Integrated HD Graphics 3000)
 
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** Intel® Core™ i7-2640M (2.8GHz, 3MB L3, 1333MHz FSB)  
 
** Intel® Core™ i7-2640M (2.8GHz, 3MB L3, 1333MHz FSB)  
 
* One of the following graphics adapters:
 
* One of the following graphics adapters:
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** Intel Integrated HD Graphics 3000
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** Intel Integrated HD Graphics 3000 (external monitor up to 4k over DP cable on some models)
 
** Discrete NVIDIA NVS 4200M (1GB VRAM) with [[Switchable Graphics|Optimus™ Technology]]
 
** Discrete NVIDIA NVS 4200M (1GB VRAM) with [[Switchable Graphics|Optimus™ Technology]]
 
* One of the following [[TFT display]]s:
 
* One of the following [[TFT display]]s:
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=== Issues ===
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=== Resources ===
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The Optimus models, will not power off the NVidia GPU even if you are only using the integrated Intel GPU. To power it off, and make the machine run cooler, and much longer on battery you need to manually disable it. See how in [[Switchable Graphics]].
+
* [http://www.lenovo.com/shop/americas/content/pdf/notebooks/ThinkPad/t-series/ThinkPad%20T420-T520.pdf ThinkPad T420/T520 Notebooks]
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* [http://support.lenovo.com/en_US/guides-and-manuals/detail.page?LegacyDocID=MIGR-76853 T420 Hardware Maintenance Manual]
  
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=== Links ===
 
−
* [http://www.lenovo.com/shop/americas/content/pdf/notebooks/ThinkPad/t-series/ThinkPad%20T420-T520.pdf ThinkPad T420/T520 Notebooks]
 
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* [http://support.lenovo.com/en_US/guides-and-manuals/detail.page?LegacyDocID=MIGR-76853 Hardware Maintenance Manual - ThinkPad T420 and T420i]
 
 
=== Reviews ===
 
=== Reviews ===
 
* http://www.notebookcheck.net/Review-Lenovo-Thinkpad-T420-Notebook.51230.0.html
 
* http://www.notebookcheck.net/Review-Lenovo-Thinkpad-T420-Notebook.51230.0.html
 +
 +
=== Issues ===
 +
The Optimus models, will not power off the NVidia GPU even if you are only using the integrated Intel GPU. To power it off, and make the machine run cooler, and much longer on battery you need to manually disable it. See how in [[Switchable Graphics]].
  
 
[[Category:T Series]]
 
[[Category:T Series]]

Latest revision as of 08:52, 20 April 2021

ThinkPad T420

This page gives an overview of the ThinkPad T420.

Standard Features

  • One of the following processors:
    • Intel® Core™ i3-2310M (2.1GHz, 3MB L3, 1333MHz FSB)
    • Intel® Core™ i5-2410M (2.3GHz, 3MB L3, 1333MHz FSB)
    • Intel® Core™ i5-2450M (2.5GHz, 3MB L3, 1333MHz FSB) (Without vPro)
    • Intel® Core™ i5-2520M (2.5GHz, 3MB L3, 1333MHz FSB)
    • Intel® Core™ i5-2540M (2.6GHz, 3MB L3, 1333MHz FSB)
    • Intel® Core™ i7-2620M (2.7GHz, 4MB L3, 1333MHz FSB)
    • Intel® Core™ i7-2640M (2.8GHz, 3MB L3, 1333MHz FSB)
  • One of the following graphics adapters:
    • Intel Integrated HD Graphics 3000 (external monitor up to 4k over DP cable on some models)
    • Discrete NVIDIA NVS 4200M (1GB VRAM) with Optimus™ Technology
  • One of the following TFT displays:
    • 14.0" HD (1366 x 768) (230 NITS)
    • 14.0" HD+ (1600 x 900) (230 NITS)
  • Up to 16GB DDR3 - 1333MHz (2 DIMM Slots)
  • One of the following storage options:
    • 160GB (7200rpm)
    • 250GB (5400rpm/7200rpm OPAL)
    • 320GB (5400rpm/7200rpm)
    • 500GB (7200rpm)
    • Intel 80GB Micro Solid State Drive, Serial ATA
    • 128GB Solid State Drive, Serial ATA
    • Intel 160GB Solid State Drive, Serial ATA
  • One of the following WLAN adapters:
    • ThinkPad BGN (RealTek - Stockton) 1x1 BGN
    • Intel Centrino Wireless-N 1000 (Condor Peak) 1x2 BGN
    • Intel Centrino Advanced-N 6205 (Taylor Peak) 2x2 AGN
    • Intel Centrino Ultimate-N 6300 (Puma Peak) 3x3 AGN
  • One of the following LAN adapters:
    • Intel® 82577LM Gigabit (Hanksville) Digital Office
    • Intel® 82577LC Gigabit (Hanksville) Fundamental
  • One of the following WWAN adapters:
    • Gobi™ 3000 Sierra Wireless EV-DO/HSPA WWAN Minicard
    • Ericsson HSPA+ WWAN Minicard (F5521gw)
  • Battery
    • ThinkPad Battery 55+ (6 Cell Lithium-Ion, 57 Watts/Hr)
    • ThinkPad Battery 55++ (9 Cell Lithium-Ion, 94 Watts/Hr)
    • ThinkPad Battery 27++ Slice (9 Cell Lithium-Ion, 11.1 V, 8.4 Amp/Hr)
  • Internal PCIe slots: 1 Full (51mm) and 1 Half (27mm)
    • Half slot supports mSATA SSD or WWAN
  • USB x 4: 1 Always-On USB 2.0, 2 USB 2.0, 1 USB 2.0/eSATA Combo
  • Size: 13.4in x 9.05in x 1.18-1.20in
  • Weight: < 4.84 lbs (2.2 kg)

ThinkPad T420

Resources

Reviews

Issues

The Optimus models, will not power off the NVidia GPU even if you are only using the integrated Intel GPU. To power it off, and make the machine run cooler, and much longer on battery you need to manually disable it. See how in Switchable Graphics.

Pages in category "T420"

The following 69 pages are in this category, out of 69 total.

7

B

C

D

E

F

H

I

L

M

O

P

R

S

T

U

V

W

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