Add a page listing known device codenames and internal models. #130

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+---
+title: Product Codenames
+...
+
+Introduction
+============
+
+This document lists product codenames for some hardware.
+Please note that just because a certain device is listed here does NOT mean
+that it is supported in Libreboot. For supported devices refer to the
+installation documentation.
+
+### A note on GPUs
+
+Some laptops come with and without a discrete GPU (dGPU). Whether the
+motherboard includes one or not can be determined by (in descending order
+of reliability):
+
+-   often thorough disassembly and searching for the actual chip
+-   looking at white PCB markings near RAM slots
+    and comparing with some known IDs listed below.
+-   sometimes by looking at heatsink grills: on
+    discrete GPU laptops these will look orange and on intergrated ones
+    they will appear silver.
+
+List of models and codenames
+============================
+
+### Codenames
+
+-   Asus Chromebook C201PA: speedy\_rk3288, veyron-speedy
+
+-   Thinkpad X200: Mocha-1
+-   Thinkpad X200s (slim): Pecan-1
+-   Thinkpad X200 Tablet: Caramel-1
+
+-   Thinkpad T400: Malibu-3
+    -   with discrete GPU (dGPU), at board(?) revision 7: "MLB3D-7
+    -   with only integrated GPU (iGPU), at board(?) revision 7: "MLB3I-7"
+
+-   Thinkpad T400s (slim): Shinai-MV
+-   Thinkpad R500: Waikiki-3
+
+-   Thinkpad T500/W500: Coronado-5
+    - with dGPU (radeon): "COR5D-9"
+    - with only iGPU: "COR5I-9"
+
+-   T6x (whole family): Davinci
+-   T60
+    -   with dGPU (radeon): Magi
+    -   with iGPU: Lisa
+
+-   With ThinkPads on Intel platforms newer than Montevina (Except T410),
+    the codenames become more consistent. All boards have the following
+    appended based on the type of graphics they have:
+    -   with dGPU: SWG (SWitchable Graphics)
+    -   with only iGPU: UMA (Unified Memory Access)
+
+    These are the known model codenames:
+    -   Thinkpad T410: NOZOMI-1 # EXT/INT
+    -   Thinkpad T410s: SHINAI-2 # SWG/UMA
+    -   Thinkpad T420: NOZOMI-3 # SWG/UMA
+    -   Thinkpad T420s: SHINAI-3 # SWG/UMA
+    -   Thinkpad T430: NOZOMI-4 # SWG/UMA
+    -   Thinkpad T430s: SHINAI-4 # SWG/UMA
+    -   Thinkpad T520: KENDO-1
+    -   Thinkpad W520: KENDO-1 WS
+    -   Thinkpad T520: KENDO-3
+    -   Thinkpad W520: KENDO-3 WS
+    -   Thinkpad T530: KENDO-4
+    -   Thinkpad W530: KENDO-4 WS
+
+
+### Miscellaneous
+-   Calistoga: 945GM chipset family name
+-   Napa: calistoga based platform
+-   Cantiga: GM45/GS45/PM45 chipset family name.
+    This is the chipset used in T400,X200 and similar.
+-   Montevina: cantiga based platform.
+-   PMH: the Power Management Hub is a gate array for managing the power
+    up/down sequence. It is additionally tasked with extending EC's I/O.
+    Its? last version was called "Thinker-1".
+-   Kozak, Tsurumai, Rinkan: These are power management ICs for Notebook PCs.
+    Tsurumai is marked as "TB62501F" and its datasheet has a description of
+    its operation.
+
+See also
+========
+-   Many more Intel codenames can be found at
+    [Wikipedia](https://en.wikipedia.org/wiki/List_of_Intel_codenames).
+-   For Thinkpads see [Documentation/thinkpad/codenames.csv @ Coreboot](https://review.coreboot.org/cgit/coreboot.git/tree/Documentation/thinkpad/codenames.csv)
+
+Copyright © 2018 Fedja Beader <fedja@protonmail.ch>
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License Version 1.3 or any later
+version published by the Free Software Foundation
+with no Invariant Sections, no Front Cover Texts, and no Back Cover Texts.
+A copy of this license is found in [../fdl-1.3.md](../fdl-1.3.md)