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The original IBM PC could be equipped with as little as 16 KB of RAM and typically had between 64 and 640 KB; depending on the amount of equipped memory, the computer's 4.77 MHz 8088 required between 5 seconds and 1.5 minutes to complete the POST and there was no way to skip it.
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic driven (dynamic) speaker. [1] More recent computers use a tiny moving-iron or piezo speaker instead. [2]
The IBM PC AT came with a 192-watt switching power supply, significantly higher than the 130-watt XT power supply. According to IBM's documentation, in order to function properly, the AT power supply needed a load of at least 7.0 amperes on the +5 V line and a minimum of 2.5 amperes on its +12 V line.
The ThinkPad T23 was also the first ThinkPad laptop model to offer an optional WiFi connection via a mini-PCI card, using wireless antennas which were built into the lid on select upper-end models. The T20 series originally shipped with either Windows 98 , Windows 2000 , or Linux , with later T23 models shipping with Windows XP .
The IBM ThinkPad 365 is a notebook computer series developed by IBM and manufactured by ASE Group. It was released in North America in November 1995, and was the successor of the ThinkPad 360 series. The series had eight models that were released before being discontinued, and was succeeded in 1997 by the ThinkPad 380 series. [1]
The Personal System/2 Model 30 and Personal System/2 Model 30 286 are IBM's entry-level desktop computers in their Personal System/2 (PS/2) family of personal computers. As opposed to higher-end entries in the PS/2 line which use Micro Channel bus architecture, the Model 30 features an Industry Standard Architecture bus, allowing it to use expansion cards from its direct predecessors, the PC ...
Karidis observed that the limiting factor in the laptop size was the keyboard width and that the screen and keyboard surface were equal with different aspect ratios. [ 2 ] The laptop is being displayed in the design collection of the Museum of Modern Art in Manhattan, New York , Die Neue Sammlung in Munich , Germany [ 13 ] and in the Computer ...