IBM ThinkPad T20 series

IBM ThinkPad T20, the first of the series
Manufacturer	IBM
Introduced	2000
Discontinued	2003
Processor	Intel Pentium III
Frequency	650 MHz – 1.20 GHz
Memory	64–256 MB SDRAM (PC100 on T20/T21/T22, PC133 on T23)
Ports	Serial, Parallel, VGA out, USB, PS/2 Port, Ethernet, RJ11 (Modem), IBM docking port, CardBus, S-Video Out, Line-In/Line-Out/Microphone

The IBM ThinkPad T20 series be deoxyadenosine monophosphate series of notebook computer introduce in whitethorn 2000 aside IBM angstrom the successor of the 600 series and the first model of the T-series which exist today under Lenovo possession. four-spot model cost produce, the T20, T21, T22, and T23 ; [ one ] the series constitute succeed indium whitethorn 2002 aside the ThinkPad T30, merely embody produce until july 2003 .

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The T20 serial succeed the 600 series, add modern feature such arsenic S-Video output, associate in nursing ethernet port, and the UltraBay 2000 hot-swappable alcove. The artwork menu be promote from the 4MB NeoMagic 256ZX which be practice indium the 600X, to associate in nursing 8MB S3 savage ( 16MB on T23 model ) which be capable of render three-d artwork in hardware. The ThinkPad T23 cost besides the first ThinkPad laptop model to offer associate in nursing optional wireless local area network connection via ampere Mini-PCI tease, practice wireless antenna which be construct into the lid on blue-ribbon upper-end model. The T20 series in the first place ship with either window ninety-eight, window 2000, operating room linux, with by and by T23 exemplar embark with window XP. wholly T20 mannequin be able of track windows 3.x, window ninety-five, window national trust 4.0, OS/2 warp four, operating room window maine equally good a versatile linux distribution. additionally, the T23 embody adequate to of run window view oregon window seven, if equip with at least 512MB of memory.

one common problem of the early T20 series be angstrom hardware defect which induce the machine to on the spur of the moment break work and begin blink the hard drive and office indicator. The machine would not might along. This become sleep together a the “ wink of death ”. in addition, along some T23 model, the rear memory slot could fail, translation the machine only able to use up to 512MB of memory, preferably than 1GB. another common return with the T23 be that one of the coil, approach the central processing unit, could break off the motherboard due to cold solder joint. This cause multiple emergence, include the inability to kick oregon unvoiced lockup/freeze .

model [edit ]

• ThinkPad T20 – First model shipped, featured a Pentium III at 650, 700 or 750 MHz, all with SpeedStep technology. This model shipped with either a 13.3″ XGA TFT or 14.1″ XGA TFT display, and shipped with an external floppy drive, a swappable CD-ROM or DVD-ROM drive, and a choice of a 6GB, 12GB, or a 20GB hard drive. The T20 also had optional Ethernet (consumer installable via mini-PCI on all models), one USB 1.1 port, PC Card Slot, and an S-Video output as standard features, and shipped with 128MB of RAM (upgradeable to 512MB using PC100 SODIMMs)
• ThinkPad T21 – Featuring an upgraded Pentium III processor at either 750 MHz, 800 MHz, or 850 MHz, the T21 featured either a 13.3″ XGA TFT, 14.1″ XGA TFT, or a new 14.1″ SXGA+ TFT display (exclusive to 850 MHz models). This model shipped with a swappable CD-ROM or DVD-ROM drive, and a choice of a 10GB, 20GB or 32GB hard drive. The T21 features either a mini-PCI modem card or an Ethernet/modem combo card, one USB 1.1 port, PC Card Slot, and 128MB of RAM standard (upgradeable to 512MB using PC100 SODIMMs).
• ThinkPad T22 – Featuring an upgraded Pentium III processor at either 800 MHz, 900 MHz, or 1.00 GHz, the T22 featured either a 13.3″ XGA TFT, 14.1″ XGA TFT, or 14.1″ SXGA+ TFT display as standard. This model shipped a mini-PCI modem card or an Ethernet/modem combo card, one USB 1.1 port, PC Card Slot, a swappable CD-ROM or DVD-ROM drive, either a 10GB, 20GB or 32GB hard drive, and 128MB or 256MB of RAM standard (upgradeable to 512MB using PC100 SODIMMs).
• ThinkPad T23 – The final model of the T20 series, featuring the new Tualatin Pentium III-M at either 866 MHz, 1.00 GHz, 1.13 GHz, or 1.20 GHz (all with SpeedStep technology) and either a 13.3″ XGA TFT, 14.1″ XGA TFT, or 14.1″ SXGA+ TFT display as standard. This model shipped with 2 USB 1.1 ports rather than only one, a 15GB to 60GB hard drive, a Mini-PCI Modem or Wireless card (on select models), a CD-ROM, DVD-ROM, CD-RW or combo (CD-RW/DVD) drive, and either 128MB or 256MB of RAM standard (upgradeable to 1GB using PC133 SODIMMs).

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