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The keyboard controller also handles PS/2 mouse input if a PS/2 mouse port is present. Today the keyboard controller is either a unit inside a Super I/O device or is missing, having its keyboard and mouse functions handled by a USB controller and its role in controlling the A20 line becoming integrated into the chipset's northbridge and then ...
The bus was in use until the mid-1990s, when HP substituted PS/2 technology for HIL. The PS/2 peripherals were themselves replaced with USB-connected models. The HIL bus is a daisy-chain of up to 7 devices, running at a raw clock speed of 8 MHz. Each HIL device typically has an output connector, and an input connector to which the next device ...
The PS/2 mouse connector generally replaced the older DE-9 RS-232 "serial mouse" connector, while the PS/2 keyboard connector replaced the larger 5-pin/180° DIN connector used in the IBM PC/AT design. The PS/2 keyboard port is electrically and logically identical to the IBM AT keyboard port, differing only in the type of electrical connector used.
With the exception of laptops—for which companies released joystick adapters for parallel or serial ports, which needed custom software drivers [16] —through the early 1990s, the game port was universally supported on sound cards, [12] and increasingly became built-in features as motherboards added sound support of their own. This remained ...
USB mice have lower latencies than PS/2 mice because standard USB mice are often polled at a default rate of 125 Hz while standard PS/2 mice send interrupts at a default rate of 100 Hz when they have data to send to the computer. [3] [4] Also, USB mice do not cause the USB controller to interrupt the system when they have no status change to ...
An official PlayStation 2 USB keyboard and mouse came bundled as part of the Linux for PlayStation 2 kit, which turns any original model PS2 into a Linux computer. Any other standard USB keyboard and mouse will also work. In addition to the Linux kit, there were a handful of games that used a keyboard and mouse or just a mouse or trackball.
Linux for PlayStation 2 (or PS2 Linux) is a kit released by Sony Computer Entertainment in 2002 that allows the PlayStation 2 console to be used as a personal computer.It included a Linux-based operating system, a USB keyboard and mouse, a VGA adapter, a PS2 network adapter (Ethernet only), and a 40 GB hard disk drive (HDD).
The original IBM PS/2 mouse PS/2 connection ports (later colored purple for keyboard and green for mouse, according to PC 97) were once commonly used for connecting input devices. PS/2 systems introduced a new specification for the keyboard and mouse interfaces, which are still in use today (though increasingly supplanted by USB devices) and ...