Perixx PERIBOARD-409P Wired PS2 Mini Keyboard, Black, UK Layout

Product Information

Yes. All PC keyboards can be plugged into an Apple computer, and macOS will remap the modifier keys to work with the operating system. However, realize that although you have a PC keyboard connected, the Microsoft Windows keyboard shortcuts do not work with macOS. Also, if the keyboard has special keys or functions, they may not all work or activate with macOS. How to reinstall a keyboard If they are hot swapped, the devices must be similar enough that the driver running on the host system recognizes and can be used with the new device. Otherwise, the new device will not function properly. While this is seldom an issue with standard keyboard devices, the host system rarely recognizes the new device attached to the PS/2 mouse port. In practice most keyboards can be hot swapped but this should be avoided. The following is a list of registry keys associated with the PS/2 port driver. [Key: HKLM\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters] Let's think this through. The connection (pipe) to a device recognizes four kinds of data transfer: SampleRate [REG_DWORD] – Specifies how often the PS/2 driver measures the characteristics and activities of the PS/2 mouse. The driver uses the information gathered through sampling to optimize the operation of the mouse device.

Some more advanced USB keyboards (e.g., gaming USB keyboard) have two USB cables. One of these cables is for the keyboard, and the other is for USB port(s) on the keyboard for other USB devices. If you only need the keyboard, only one of these cables can be connected. Connecting a wireless keyboard A scan code set is a set of codes that determine when a key is pressed or repeated, or released. There are 3 different sets of scan codes. The oldest is "scan code set 1", the default is "scan code set 2", and there is a newer (more complex) "scan code set 3". Note: Normally on PC compatible systems the keyboard itself uses scan code set 2 and the keyboard controller translates this into scan code set 1 for compatibility. See "8042"_PS/2_Controller for more information about this translation.

Interface/port(s)

The PS/2 Keyboard is a device that talks to a PS/2 controller using serial communication. Ideally, each different type of PS/2 controller driver should provide some sort of standard/simple "send byte/receive byte" interface, and the PS/2 Keyboard driver would use this interface without caring about lower level details (like what type of PS/2 controller the device is plugged into). PS/2 ports are designed to connect the digital I/O lines of the microcontroller in the external device directly to the digital lines of the microcontroller on the motherboard. They are not designed to be hot swappable. Hot swapping PS/2 devices usually does not cause damage because more modern microcontrollers tend to have more robust I/O lines built into them which are harder to damage than those of older controllers; [15] however, hot swapping can still potentially cause damage on older machines, or machines with less robust port implementations. PS/2 connectors are not designed to be plugged in and out very often, which can lead to bent or broken pins. Additionally, PS/2 connectors only insert in one direction and must be rotated correctly before attempting connection. (If a user attempts to insert the connector in the wrong orientation and then tries to rotate it to the correct orientation without first pulling it out, then bent pins could result.)

Keyboards are pretty universal and can work with any desktop, laptop, or portable computer (PC or Mac) with the required keyboard port. When you plug a keyboard into a computer, it should immediately start working. With some more advanced keyboards with special keys or features, those features may not work until the software is installed. If the software is not compatible with your computer or operating system, you can continue to use the basic keyboard functions without the special features. If nothing on the keyboard works, you'll need to troubleshoot the keyboard with one of the links mentioned below. Can I plug my PC keyboard into my Apple computer? If you have a PS/2 keyboard make sure it was connected before booting Ubuntu. To complete the steps below you will need to connect a USB keyboard. Modern keyboards should support all three scan code sets, however some don't. Scan code set 2 (the default) is the only scan code set that is guaranteed to be supported. In theory (I haven't tried it) it should be possible to attempt to set scan code set 1 or scan code set 3, and then ask the keyboard which scan code it is currently using and see if it actually is using the requested scan code set. In this way it may be possible to determine which scan code sets the keyboard does support. Windows operating system provides you the facility to update drivers by running Windows Updates. So, below are the steps that you are required to follow!

Operating System(s)

OverrideKeyboardSubtype [REG_DWORD] – Specifies the OEM-dependent keyboard subtype. You can add this entry to the registry to correct an error in the keyboard subtype detected at startup. Despite all of this theory, USB is more or less on equal footing in the real-world, even though PS/2 is faster (more direct) and offers NKRO capability. After all, you're probably not printing documents and gaming at the same time. Really, the only hardware combination we'd be worried about would be a fast storage device connected to the same USB root port, since bus utilization of up to 100% is possible in that situation. If you really needed to, you could always disconnect high-bandwidth USB devices when they aren't being used. Attach as separate attachments to your bug report ~/dmesg_boot, ~/dmesg_diff, ~/Xorg.0.log and ~/Xorg.0.log_diff. However, as of 2023, although PS/2 ports are rarely included in off the shelf computer systems, they continue to be included on many computer motherboards and are favored by some users for various reasons including the following: The PS/2 Keyboard accepts commands and sends responses to those commands, and also sends scan codes indicating when a key was pressed or released. Keep in mind that these scan codes (from the tables below) may be altered (i.e. translated) by the PS/2 controller, depending on the controller's settings.

Does your Keyboard not working perfectly? Then, it is happening so due to the outdated Keyboard driver. So, try out the below-mentioned methods to update Keyboard driver. However, it's not quite that simple. Different keyboard layouts can have different meta keys, different status LEDs, etc. The Key Mapping table has to sort these differences out too. This is why you don't want to detect if the keyboard LEDs have changed earlier, but want to send the "set LEDs" command (if necessary) *after* you've found the entry for the key code in your key map table.Wireless keyboards have a power switch on the bottom of the keyboard that allows them to be turned on and off. If the keyboard is not detected, make sure the power switch is turned to the on position. Also, if your wireless keyboard uses removable batteries, make sure known good batteries are in the keyboard. Can my laptop work with two keyboards? After the keyboard is connected, it should automatically be detected and installed. If the keyboard has any special features, you need to install the keyboard software and drivers. All operating systems also have basic mouse settings that allow you to set up and configure basic mouse settings. Can my laptop work with two keyboards? Here, the controller limits the number of keys that can send input at any given time. Usually, only the signal from two keys, as well as the Shift and Function keys, are allowed. This is known as 2KRO. The restriction also represents the simplest anti-ghosting function. The following table shows which scan codes correspond to which keys when using scan code set 3 (for a "US QWERTY" keyboard only): Note: Don't let the name fool you - these keys have nothing to do with ACPI at all and do behave like any other normal key (but could be useful for an OS that supports power management).