Manufacturer | IBM |
---|---|
Introduced | May 2000 |
Discontinued | July 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 was a series of notebook computers introduced in May 2000 by IBM as the successor of the 770 series and the first model of the T-series which exists today under Lenovo ownership. Four models were produced, the T20, T21, T22, and T23; [1] the series was succeeded in May 2002 by the ThinkPad T30, but was produced until July 2003.
The T20 series succeeded the 600 series, adding new features such as S-Video output, an Ethernet port, and the UltraBay 2000 hot-swappable bay. The graphics card was upgraded from the 4MB NeoMagic 256ZX which was used in the 600X, to an 8MB S3 Savage (16MB on T23 models) which was capable of rendering 3D graphics in hardware. The ThinkPad T23 was also the first ThinkPad laptop model to offer an optional WiFi connection via a mini-PCI card, using wireless antennas which were built into the lid on select upper-end models. The T20 series originally shipped with either Windows 98, Windows 2000, or Linux, with later T23 models shipping with Windows XP. All T20 models were capable of running Windows 3.x, Windows 95, Windows NT 4.0, OS/2 Warp 4, or Windows Me as well as various Linux distributions. Additionally, the T23 was capable of running Windows Vista or Windows 7, if equipped with at least 512MB of memory. One common problem of the earlier T20 series was a hardware defect which caused the machine to suddenly stop working and begin blinking the hard drive and power indicators. The machine would not power on. This became known as the "Blink of Death". In addition, on some T23 models, the rear memory slot could fail, rendering the machine only able to use up to 512 MB of memory, rather than 1 GB. Another common issue with the T23 was that one of the coils, near the CPU, could break off the motherboard due to cold solder joints. This caused multiple issues, including the inability to boot or hard lockup/freeze.
Model | Intro- duction Date | With- drawal Date | Base Price | Screen Options TFT | CPU Options | Memory (std - max) | Video Controller | Audio Controller | Hard Drive Options | Misc Info | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T20 | May 2000 | ? | ? | 13.3" XGA 1024×768 14.1" XGA 1024×768 | Pentium III - 650, 700, or 750 MHz SpeedStep 100 MHz Bus 256 KB cache | 128 - 512 MB 100 MHz SDRAM | Via S3 Savage IX8 8 MB SGRAM AGP 2x | Cirrus CS4264 CS4297A | 6 GB | 12 GB | 18 GB | 20 GB | Ultrabay 2000 ThinkLight UltraPort 56K Modem Li-Ion Battery (4 hr) |
T21 | Oct 2000 | ? | ? | 13.3" XGA 1024×768 14.1" XGA 1024×768 14.1" SXGA+ 1400×1050 | Pentium III - 750, 800, or 850 MHz SpeedStep 100 MHz Bus 256 KB cache | Via S3 Savage IX8 or IX8+ 8 MB SGRAM AGP 2x | 10 GB | 20 GB | 32 GB | ||||
T22 | Mar 2001 | ? | ? | Pentium III - 800 or 900 MHz, or 1 GHz SpeedStep 100 MHz Bus 256 KB cache | Via S3 Savage IX8+ 8 MB SGRAM AGP 2x | 15 GB | 30 GB | 32 GB | |||||
T22 (SB) | Mar 2001 | ? | ? | 14.1" XGA 1024×768 14.1" SXGA+ 1400×1050 | Pentium III - 900 MHz or 1 GHz SpeedStep 100 MHz Bus 256 KB cache | 15 GB | 30 GB | 32 GB | 48 GB | ||||
T23 | Jul 2001 | ? | ? | 13.3" XGA 1024×768 14.1" XGA 1024×768 14.1" SXGA+ 1400×1050 | Pentium III - 866 MHz or 1.13 GHz SpeedStep 133 MHz Bus 512 KB cache | 128 MB - 1 GB 133 MHz SDRAM | Via S3 Super Savage IXC16 16MB SGRAM AGP 4x | Cirrus CS4299 | 15 GB | 30 GB | 48 GB | Ultrabay 2000 ThinkLight UltraPort 56K Modem 802.11b Modem Li-Ion Battery | |
T23 (Fall) | Oct 2001 | ? | ? | 14.1" XGA 1024×768 14.1" SXGA+ 1400×1050 | Pentium III - 1.0, 1.13 or 1.2 GHz SpeedStep 133 MHz Bus 512 KB cache | 30 GB | 40 GB | 48 GB | Ultrabay Plus ThinkLight UltraPort 56K Modem WLAN Li-Ion Battery | ||||
T23 (Ed) | Apr 2002 | ? | ? | 14.1" XGA 1024×768 | Pentium III - 1.0 GHz SpeedStep 133 MHz Bus 512 KB cache | 256 MB - 1 GB 133 MHz SDRAM | 20 GB | 40 GB | 80 GB | Ultrabay Plus ThinkLight UltraPort WLAN Li-Ion Battery | |||
T23 (02) | Jun 2002 | ? | ? | Pentium III - 1.0, 1.13 or 1.2 GHz SpeedStep 133 MHz Bus 512 KB cache | 20 GB | 30 GB | 40 GB | 80 GB | Ultrabay Plus ThinkLight 56K Modem WLAN Li-Ion Battery |
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