Keyboard Part Number List

22 keyboards found/on record...

IBM 4704 Model 400 Administrative Keyboard

Part NumberPart Number
The number used to describe this keyboard's specific release; usually specific for a target region, language or SKU, etc.
6020218
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.
Model F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameNickname
A [keyboard enthusiast] community given name for this keyboard. It can be a shortening of its name and properties, a more abstract term, a real-life reference, or metonymy.
F107
Known Host SystemsKnown Host Systems
A list of known host systems this keyboard could be bundled with or at least designed specifically to operate with. This could be terminals, desktop PCs or laptops.
IBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMOEM
Possible companies responsible for making this keyboard for the company marketing it.
IBM
KeyswitchesKeyswitches
The name of the keyswitches this keyboard uses. If the keyswitches used do not have a known name, a generic description of what they are will be provided.
IBM capacitive buckling springs
Earliest AppearanceEarliest Appearance
The year (and possibly the quarter or full date) that this keyboard part number was introduced, first observed, first recorded, or the first example found.
1983 Q4
Original KeycapsOriginal Keycaps
The keyboard's original keycaps' material and text/symbol printing technique.
PBT with dye-sublimated legends
Cover ColourCover Colour
The original colour of this keyboard's cover set (outer casing). For keyboards whose cover set materials are known to yellow, this will refer to the original colour before such transformation occurs.
Pearl White
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.
None
ProtocolProtocol
The protocols this keyboard can use to communicate with their host systems. Typically, this is the name of some sort of serial or parallel data connection. Known scancode sets the protocol can support may also be stated in brackets.
IBM 4704-specific serial
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.
Grey straightened-style fixed DE-9 cable
Key CountKey Count
The number of keys that this keyboard originally had.
107
Form FactorForm Factor
The standardised or universally acknowledged name for this keyboard's layout form factor.
Full-size
Layout/LanguageLayout/Language
Image of Layout/LanguageThe 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.
US
Accessories & Other FeaturesAccessories & Other Features
Other notable features you may want to know about such as charging cables (if keyboard is wireless), fingerprint reader, card reader, solenoid, DIP switches, etc.
Internal beeper
Additional NotesAdditional Notes
Extra notes about this keyboard that may be of interest or are important to know.
Has die-cast zinc casing
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.
Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020219
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageGerman
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020220
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageBelgian
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020222
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageDanish
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020223
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageUK
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020224
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageFinnish
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020225
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageFrench AZERTY
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020226
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageFrench QWERTY
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020227
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageUS International
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020228
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageItalian
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020231
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageNorwegian
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020232
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguagePortuguese
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020233
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageSpanish
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020235
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageSwedish
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020236
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageUS EBCDIC
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020237
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageFaroese
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020238
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageGreek
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020239
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageIcelandic
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020240
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageHebrew
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020241
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageSwiss German
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020242
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageSwiss French
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/

IBM 4704 Model 400 Administrative Keyboard

Part Number6020243
TypeModel F 4704 Model 400 Administrative Keyboard (470X-400 type Model F)
NicknameF107
Known Host SystemsIBM 4704-1 Enhanced Display Terminal (IBM 4700 family)
IBM 4704-2 Display Terminal (IBM 4700 family)
IBM 4704-3 Display Terminal (IBM 4700 family)
OEMIBM
KeyswitchesIBM capacitive buckling springs
Earliest Appearance1983 Q4
Original KeycapsPBT with dye-sublimated legends
Cover ColourPearl White
BrandingNone
ProtocolIBM 4704-specific serial
ConnectionGrey straightened-style fixed DE-9 cable
Key Count107
Form FactorFull-size
Layout/LanguageYugoslavian
Accessories & Other FeaturesInternal beeper
Additional NotesHas die-cast zinc casing
Source(s)Web: https://docs.google.com/spreadsheets/d/1ttDBqRLxf_A4ALjqasDQVJvqegC-muyzf9YGTKO3Yj8/