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  2. Token Ring - Wikipedia

    en.wikipedia.org/wiki/Token_Ring

    There can be only one active monitor on a ring at a time. The active monitor is chosen through an election or monitor contention process. The monitor contention process is initiated when the following happens: a loss of signal on the ring is detected. an active monitor station is not detected by other stations on the ring.

  3. ThinkPad - Wikipedia

    en.wikipedia.org/wiki/ThinkPad

    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 ...

  4. Apple Thunderbolt Display - Wikipedia

    en.wikipedia.org/wiki/Apple_Thunderbolt_Display

    Most Macs released since 2011 (with some exceptions) are compatible. Mac models released since 2016 are supported but require a Thunderbolt 3 to Thunderbolt 2 adapter. [3] Despite using the same physical connector, it does not work with Mini DisplayPort input, and similarly, the adapter does not make it compatible with USB-C in general. [3]

  5. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    On the screen, if working, will be the Sad Mac icon, along with two hexadecimal strings, which can be used to identify the problem. Some Macs made around this time do not use a death chime like Macs made prior to 1987, but retained the same format as those that used the death chimes, such as the presence of the Sad Mac icon and two hexadecimal ...

  6. ThinkVision - Wikipedia

    en.wikipedia.org/wiki/ThinkVision

    ThinkVision displays are high-end computer monitors manufactured, designed and developed by IBM and Lenovo.. ThinkVision products are built using the design language of other Think devices such as the ThinkPad line of notebook computers and the ThinkCentre or ThinkStation lines of desktops.

  7. Apple displays - Wikipedia

    en.wikipedia.org/wiki/Apple_displays

    Apple's manufacture history of CRT displays began in 1980, starting with the Monitor /// that was introduced alongside and matched the Apple III business computer. It was a 12″ monochrome (green) screen that could display 80×24 text characters and any type of graphics, however it suffered from a very slow phosphor refresh that resulted in a "ghosting" video effect.

  8. ThinkPad T series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_T_Series

    The ThinkPad T series is a line of notebook computers manufactured by Lenovo as part of the ThinkPad family. The T series is officially the flagship ThinkPad product, offering high-performance computers aimed at businesses and professionals. [1] The ThinkPad X series was originally introduced in 2000 and was produced by IBM until 2005.

  9. ThinkPad X1 series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X1_series

    The battery is internal and not removable, and there is no optical drive. The ThinkPad X1 laptop was released by Lenovo in May 2011. Notebook Review offered a positive opinion of the ThinkPad X1, saying that it was, "A powerful notebook that combines the durability and features of a business-class ThinkPad with the style of a consumer laptop."