EFI NVRAM

7c436110-ab2a-4bbb-a880-fe41995c9f82-prev-lang:kbd

macOS sets the EFI NVRAM variable 7c436110-ab2a-4bbb-a880-fe41995c9f82-prev-lang:kbd to persist the keyboard layout across different boot volumes. In the interest of interoperability, other operating sysems may want use this information for preselecting a "best guess" xkbmap layout and locale.

EFI value	Nice Name	Equivalent xkbmap layout	xkbmap model	country_LANG locale
cs:30778	Czech-QWERTY
cs:30776	Czech
et:30764	Estonian
hu:30767	Hungarian-QWERTY
hu:30763	Hungarian
lv:30765	Latvian
lt:30761	Lithuanian
pl:30788	Polish Pro
pl:30762	Polish
sk:30777	Slovak
sk:30779	Slovak-QWERTY
bg:19529	Bulgarian - Phonetic
bg:19528	Bulgarian
be:19517	Byelorussian
mk:19523	Macedonian
ru:19457	Russian - Phonetic
ru:19456	Russian
ru:19458	RussianWin
sr-Cyrl:19521	Serbian
uk:195138	Ukrainian-PC
uk:19518	Ukrainian
en:12825	Colemak
en:16302	Dvorak - Left
en:16303	Dvorak - Right
en:16300	Dvorak
en:16301	DVORAK - QWERTY CMD
ja:16384	KANA
fr:251	ABC-AZERTY
de:253	ABC-QWERTZ
en:252	ABC
en_AU:15	Australian
de_AT:92	Austrian
nl_BE:6	Belgian
pt_BR:128	Brazilian-ABNT2
pt_BR:72	Brazilian - Pro
pt_BR:71	Brazilian			pt_BR
en_GB:250	British-PC
en_GB:2	British			en_GB
fr_CA:80	Canadian - CSA
en_CA:29	Canadian
da:9	Danish
nl:26	Dutch
fi:17	Finnish			fi
fr:60	French-PC
fr:1111	French - numerical
fr:1	French	fr		fr_FR
de:3	German	de	pc105	de_DE
en:50	Irish
it:223	Italian - Pro
it:4	Italian	it		it_IT
nb:12	Norwegian			nb
pt_PT:10	Portuguese			pt_PT
es:87	Spanish - ISO
es:8	Spanish			es
sv:7	Swedish - Pro
sv:224	Swedish			se
fr_CH:18	Swiss French			fr_CH
de_CH:19	Swiss German			de_CH
to:88	Tongan
en_US:0	U.S			en_US
en_US:15000	USInternational-PC			en_US
ko:-17409	2SetHangul
fa:-2902	Afghan Dari
ps:-2904	Afghan Pashto
uz-Arab:-2903	Afghan Uzbek
ta:-20000	Anjal
ar:-17940	Arabic-AZERTY
ar:-17923	Arabic-North_Africa
ar:-18000	Arabic-QWERTY
ar:-17920	Arabic
ar:-17921	Arabic PC
hy:-28161	Armenian-HM QWERTY
hy:-28164	Armenian-Western QWERTY
az-Latn:-49	Azeri
bn:-22529	Bangla-QWERTY
bn:-22528	Bangla
zh-Hant:-16899	CangjieKeyboard
chr:-26112	Cherokee-Nation
chr:-26113	Cherokee-QWERTY
hr:-68	Croatian
hr:-69	Croatian-PC
hi:-20481	Devanagari-QWERTY
hi:-20480	Devanagari
fo:-47	Faroese
fi:-17	Finnish Extended
fi:-18	FinnishSami-PC
ka:-27650	Georgian-QWERTY
el:-18944	Greek
el:-18945	Greek Polytonic
gu:-21505	Gujarati-QWERTY
gu:-21504	Gujarati
pa:-20993	Gurmukhi-QWERTY
pa:-20992	Gurmukhi
haw:-50	Hawaiian
he:-18500	Hebrew-QWERTY
he:-18432	Hebrew
he:-18433	Hebrew-PC
is:-21	Icelandic
iu:-30604	Inuktitut-Nunavut
iu:-30602	Inuktitut-Nutaaq
iu:-30600	Inuktitut-QWERTY
iu:-30603	Inuttitut Nunavik
ga:-500	Irish Extended
ms-Arab:-19000	Jawi-QWERTY
kn:-24065	Kannada-QWERTY
kn:-24064	Kannada
kk:-19501	Kazakh
km:-26114	Khmer
ckb:-17926	Kurdish-Sorani
ml:-24577	Malayalam-QWERTY
ml:-24576	Malayalam
mt:-501	Maltese
mi:-51	Maori
my:-25601	Myanmar-QWERTY
ne:-20484	Nepali
se:-1200	Northern Sami
nb:-12	Norwegian Extended
nb:-13	NorwegianSami-PC
or:-22017	Oriya-QWERTY
or:-22016	Oriya
fa:-1959	Persian-QWERTY
fa:-17960	Persian
fa:-2901	Persian-ISIRI 2901
ro:-38	Romanian-Standard
ro:-39	Romanian
se:-1201	Sami-PC
sr-Latn:-19521	Serbian-Latin
si:-25089	Sinhala-QWERTY
si:-25088	Sinhala
sl:-66	Slovenian
sv:-15	SwedishSami-PC
ta:-20001	Tamil99
te:-23553	Telugu-QWERTY
te:-23552	Telugu
th:-26626	Thai-PattaChote
th:-26624	Thai
bo:-26628	TibetanOtaniUS
bo:-26625	Tibetan-QWERTY
bo:-2398	Tibetan-Wylie
tr:-36	Turkish-QWERTY-PC
tr:-35	Turkish-QWERTY
tr:-23	Turkish-Standard
tr:-24	Turkish
en:-2	US Extended
<null>:-1	Unicode Hex Input
ur:-17925	Urdu
ug:-27000	Uyghur
vi:-31232	Vietnamese
cy:-790	Welsh
zh-Hant:-16900	Zhuyin Bopomofo

Source

The following script was used to construct the table above.

import urllib.request

def print_some_url():
    try:
        with urllib.request.urlopen('https://raw.githubusercontent.com/acidanthera/OpenCorePkg/master/Utilities/AppleKeyboardLayouts/AppleKeyboardLayouts.txt') as f:
           a_variable = f.read().decode('utf-8')
           print(a_variable)
    except urllib.error.URLError as e:
       print(e.reason)

    print("|EFI value|Nice Name|xkbmap layout|xkbmap model|")
    print("|---|---|---|---|")
    for line in a_variable.split("\n"):
        if line.startswith("["):
            parts = line.split(" ")
            number = "".join(parts[0].replace("[", "").replace("]", "")).strip()
            abbreviation = parts[1].strip()
            description = " ".join(parts[3:10]).strip()
            print("|`%s:%s`|%s||||" % (abbreviation, number, description))

# Press the green button in the gutter to run the script.
if __name__ == '__main__':
    print_some_url()