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P/N 1389124

IBM 3205 Color Display Console Keyboard Unit

Type
Model M Type I Functional Key Keyboard
Nickname
Battleship
OEM
IBM
Switches
IBM membrane buckling springs
Earliest Appearance
1985 Q3
Key Count
122
Original Keycaps
PBT with dye-sublimated legends
Casing Colour
White
Branding
IBM silver square badge
Connection
Set 3 over DIN (240)
Layout/Language
UK ISO
Additional Notes
"PFxx" command key block

More about this type of keyboard...

Variant of a Model M Type I Functional Key Keyboard

The usefulness of the 122-key "battleship" resulted in several Model M versions of the design, with this being the first. The Type I was a largely internal rework, swapping out the capacitive assembly for a membrane one and changing the bottom panel from metal to plastic. The rest of the design remained the same, including the dual-setting feet, and the top casing is fully compatible between the Model F and Model M versions. Like the F122 it replaced, the 24-key function key block was labelled either "Cmdxx" or "PFxx", with the most well-known host terminal being the IBM 3179 Color Display Station. These are also commonly referred to as the "M122" (although the later redesigns are also referred to as such), and thus "Type I" is used to help distinguish it from the others.