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Reballing involves dismantling, heating the chip until it can be removed from the board, typically with a hot-air gun and vacuum pickup tool, removing the device, removing solder remaining on the device and board, putting new solder balls in place, replacing the original device if there was a poor connection, or using a new one, and heating the ...
Key rollover is the ability of a computer keyboard to correctly handle several simultaneous keystrokes. A keyboard with n-key rollover (NKRO) can correctly detect input from each key on the keyboard at the same time, regardless of how many other keys are also being pressed. Keyboards that lack full rollover will register an incorrect keystroke ...
Pressing the power-on key while booted is the same as selecting the Shut Down command in the Finder, and once a Quadra 605 has completed its shutdown process it will prompt the operator to manually turn it off. Quadra 605s have no reset button or programmer's button, but key combinations can perform the same functions. To reset, users can hold ...
The IBM Model M is a large family of computer keyboards created by IBM that began in late 1983 when IBM patented a membrane buckling spring key-switch design. The main intent of this design was to halve the production cost of the Model F. [ 13 ] The most well known full-size Model M is known officially as the IBM Enhanced Keyboard.
(go to start of line) or. Ctrl+A (go to start of paragraph) Home: Ctrl+a or. Home ^ (go to first non-space) or 0 (go to column 0) Search+←: Go to end of line End or. Fn+→. ⌘ Cmd+→ (go to end of line) or. Ctrl+E (go to end of paragraph) End: Ctrl+e or. End $ Search+→: Go to start of document Ctrl+Home: ⌘ Cmd+↑: Ctrl+Home: Meta+< or ...
The Retina models also have fewer user-accessible upgrade or replacement options than previous MacBooks. Unlike in previous generations, the memory is soldered onto the logic board and is not upgradable. The solid state drive is not soldered and can be replaced by users, although it has a proprietary connector and form factor. [110]
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On these devices, a Fn modifier key is used to combine keys to save room and add non-standard functionality; a common use is merging the row with keys F1- F12 with keys that adjust settings such as display brightness, media volume and playback, and keyboard illumination. Fn Lock toggles the default output of these keys.