P/N 55Y9017 - TrackPoint Keyboard Details & Specs
| FRU Part NumberFRU Part Number Field Replaceable Unit The number used to relate and indicate compatible but otherwise potentially different keyboards that could replace this one. |
57Y4655 |
| Market Model Name/Feature CodeMarket Model Name/Feature Code The consumer-friendly model number describing this keyboard as a part of a range of products, usually irrespective of target region, language or SKU. |
SK-8855 |
| TypeType A designation from my own type naming scheme used to categorise this keyboard with or from others by their common features and market intent but may/may not be derived from official names. |
Classic ThinkPad Discrete Keyboard |
| Key-switchesKey-switches The name of the known switching mechanism that lies under this keyboard's keys. |
Lenovo ThinkPad classic scissor-stabilised rubber domes (misc. OEM) |
| Earliest AppearanceEarliest Appearance The year (and possibly the quarter) that this keyboard part number was introduced, first observed, first recorded or the first example found. |
2009 Q3 |
| Casing ColourCasing Colour The original colour of this keyboard's outer casing. For keyboards whose casing materials are known to yellow, this will refer to the original colour before such transformation occurs. |
Raven/Stealth Black |
| BrandingBranding The possible branding and logo styles found on this keyboard part number. This could be multiple styles at once or possible styles found over time. |
Old Lenovo logo |
| ProtocolProtocol The protocol(s) this keyboard can use to speak to the host computer (eg, scancode sets). |
USB HID |
| ConnectionConnection The keyboard-to-host connection. This is could be a description of a cable (its colour, whether its coiled, whether its detachable, and what connector is at its end) or the name of a wireless technology. |
Black straightened-style fixed Type A USB cable |
| Form FactorForm Factor The standardised or universally acknowledged name for this keyboard's layout form factor. |
Tenkeyless (compacted) |
Layout/LanguageLayout/Language The original regional/language layout this keyboard was configured as. Both the language and the standardised key layout may be listed, and in the case of both being known or defined, it will be styled as language then standard. |
German |
| Built-In MouseBuilt-In Mouse Possible pointing devices this keyboard could carry. This could be a brand name, name of the sensor technology behind it, or a generic description in lieu of the former details. |
TrackPoint IV strain gauge pointing stick |
| Source(s)Source(s) Documents ("Doc"), websites and/or webpages ("Web") that were used as a source of information for this keyboard part number. Examples of this keyboard part number I own ("ASK") will also be included as sources. |
Doc: Lenovo ThinkPad USB Keyboard with TrackPoint - Service parts (#PD000902) [source: Lenovo] |
| Data Last Updated | 2021-08-29 |
More on this type of keyboard...
The Lenovo ThinkPad USB Keyboard with TrackPoint (SK-8855) was Lenovo's first discrete ThinkPad/TrackPoint keyboard. It was introduced in 2009 and utilised the same keyboard design that was introduced with the Lenovo ThinkPad T400s and later used by xx10 and xx20 generation ThinkPads.
