Ps2 port - PS 2 computer port used for connecting a keyboard and mouse, using a 6-pin mini-DIN connector, outdated, vintage, close-up. Photo Formats. Show more.

 
Nov 21, 2022 · All versions of Windows have PS/2 drivers included with them. The only time some additional software may be needed if the keyboard has additional keys that are non-standard for example shortcut keys to a particular piece of software, which was typical of HP and Dell computers back in the late 90’s early 2000’s. . Verizon deals on iphone 15

In the below image (from here), the "left" end (which I have labeled "A") is clearly two PS/2 ports.. What is the "right" end (which I have labeled "B")? Does it connect directly to a motherboard? The above is apparently Lenovo part number 43N9149, but I haven't been able to find an actual specification sheet for this part -- only third-party seller …AAM DIV STRENGTH HIMCO PORT 2022-1 RE- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksSometimes present on all IBM-compatible systems, the PS /2 port is a tiny DIN plug with six pins. The image depicts how the PS/2 ports on the rear of your computer …The data signals used in a PS/2 port have a maximum magnitude of 5V and data rate of 10,000 bps. At this data rate, the capacitance of the suppressor does not need to be considered. The signal lines to be protected from ESD include Data and Clock. The 5VDC power should be protected against ESD and overcurrent events. Solution Description: As ...As it stands, there are 149 PS2 games currently playable on the Vita. The list was really good, but I have decided to fix mistakes, and carefully go through the Wikis and videos of each game to see if the game was identical to the PS2 version to remove watered-down ports, and added a lot more games that can be played on the Vita via homebrews ...May 21, 2008 ... Portable Ops will not be ported. It is a PSP exclusive built from the ground up and many of it's key features only work with the PSP.its a post at dvdtalk.com, and this guy bought a broken ps2 (controller port 1 not working), and how he just used some inexpensive thermal ...The PS/2 port is a 6-pin Female Mini-DIN connector, named after the IBM PS/2 (Personal System/2) computers that first featured it. PS/2 splitter connects mouse port pins straight-through to host combo port, splits power to both downstream ports, and routes keyboard port pins to remaining two pins in host combo port …A PS/2 port is a mini DIN connector that connects the mouse or keyboard to the computer system. Learn about its features, functions, voltages, and how it differs …2-Port PS/2-USB VGA KVM Switch. CS82U. Superior video quality - 2048 x 1536; DDC2B. Computer selection via front panel pushbuttons, hotkeys, and mouse. Dual Interface - supports computers with PS/2 or USB keyboards and mice. Video DynaSync™ - Exclusive ATEN technology eliminates bootup display problems …Plug in both USB keyboard and PS/2 keyboard. 3. Boot to BIOS (hitting del on my USB keyboard, because it won't see the PS/2 keyboard) 4. Hot unplug the USB keyboard while in the BIOS. 5. Exit the BIOS with the "Save and Exit" BIOS option (via USB mouse) 6. Win7 can see the PS/2 keyboard upon reboot.8-Port PS/2-USB VGA KVM Switch. CS1308. One USB-PS/2 console controls 8 computers; Cascade up to 2 levels - control up to 64 computers. Broadcast mode - operations simultaneously performed on all selected computers, software installation and upgrading, system wide shutdown, etc. Computer selection via front panel …Here’s a photo illustrating the two ports, from Phil Storrs PC Hardware book: This isn’t strictly AT-compliant, a more common configuration was to have the PS/2 port on a bracket or another cut-out in the back of the case. If your computer does have such a DIN port, you can use a PS/2-to-DIN adapter to connect a PS/2 keyboard to it.PS/2 ports and connectors are a type of input/output (I/O) interface that has been around for decades. They were first introduced in the early 90s as a replacement …Method 2. You may update the PS2 mouse driver from Device Manager manually and check if this helps. Press (Windows key + X) and click on “Device Manager”. Expand “Mouse” or “Mice and other pointing devices”. Right click on the driver and select “Update Driver Software”. Once this is done, restart the computer and check if the ... There are a number of interesting results, but the point relevant to this question is that there was a fairly significant variance between keyboards, and all the USB keyboards tested had a longer effective scan interval (18.77 ms - 32.75 ms) than the PS/2 keyboards (2.83 ms - 10.88 ms). To explain it simply, keyboards scan across each column of ... Port PS/2 ... Le Port PS/2 est un branchement à l'arrière de l'unité centrale permettant de brancher un clavier (port violet) et une souris (port vert). Cela dit, ...While you can resolve this problem by reverting to PS/2 keyboard or by toggling various options in BIOS/UEFI setup, much better approach is to integrate USB 3.0 ...Are you planning a cruise vacation and need a reliable mode of transportation to the Port of Miami? Look no further than a taxi service. Taking a taxi to the port is not only conve...Sigue a Acá Entre Geeks!Instagram https://www.instagram.com/acaentregeeks Discord https://discord.gg/EBaPHJxArA Twitch https://www.twitch.tv/acaentregeeks F...PS/2 (Mini-DIN) PS/2 ports (also referred to as Mini-DIN ports) are used by PS/2 keyboards, mice, and pointing devices. Most desktop systems, and many older laptop and portable systems, include PS/2 ports. In a typical ATX/BTX port cluster, the bottom PS/2 port is used for keyboards, and the top PS/2 port is used for mice and pointing …PS/2 ports schema. PS2 Keyboard or Mouse connection uses two GPIOs (data and clock) and requires one 120 Ohm series resistor and one 2K Ohm pullup resistor for each signal: Using above GPIOs the PS2 Mouse Controller may be initialized in this way: Mouse.begin(GPIO_NUM_26, GPIO_NUM_27); // clk, dat. When both a mouse and a …Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет.PS/2 ports schema. PS2 Keyboard or Mouse connection uses two GPIOs (data and clock) and requires one 120 Ohm series resistor and one 2K Ohm pullup resistor for each signal: Using above GPIOs the PS2 Mouse Controller may be initialized in this way: Mouse.begin(GPIO_NUM_26, GPIO_NUM_27); // clk, dat. When both a mouse and a …Another PS/2 mouse that you can buy online is the QLX M829 mouse. This is a 1000 dpi wired optical mouse that has a sleek design and is also very comfortable to hold. With USB ports having replaced the old PS/2 port, a PS/2 mouse may not be very easy to find. However, this does not mean that buying a PS/2 mouse is impossible.The PS2 is compatible with all PlayStation and PlayStation 3 cables which use the AV-multi port. RFU adapter [ edit ] The RFU Adapter (SCPH-1122) is an RF Modulator and cable that carries mono audio and video at 576i /50 Hz (PAL) or 480i /60 Hz (NTSC) via an RF signal and connects using a TV aerial plug . [10]Learn about the advantages and disadvantages of having a PS / 2 port on your motherboard, and why some motherboards still have it even though …If you’re looking for a fun and exciting vacation, a cruise out of Port Canaveral, FL is the perfect choice. Located on Florida’s east coast, Port Canaveral is one of the busiest c...Ports and Peripherals. Peripherals are devices that are attached to a computer system to enhance its capabilities. Peripherals include input devices, output devices, storage devices, and communications devices. All peripherals must have some way to access the data bus of the computer (the communications channel on the motherboard … I have had a few instances where my mobo was having issues and the USB ports were useless. Good thing I still had old PS/2 devices to correct the issue. USB devices wait for the polling, while PS/2 devices send interrupts the moment you input something. Ever noticed increased input latency with USB devices when CPU was hitting 100% load? 1 Answer. Sorted by: 9. The converters like these: are just for the connections. It will not make a USB-only keyboard work in PS/2. It will not make a PS/2-only keyboard work on USB. The keyboard that came with such an adapter was capable of both USB and PS/2 connections. It detects if it is plugged into a USB port or a PS/2 port and then ...The Port of Miami is one of the busiest cruise ports in the world, welcoming millions of passengers each year. If you are planning a cruise vacation and need information about the ...the PS2 has only two controller ports. the games and the system will become rare and expensive. DVD playerstarting to be dated (understandably) Nothing so far - the memory cards are a little expensive. Memory cards hold a lot of data. The controllers are very prone to breaking.1. You could have a look at this open-source project Saleae PS/2 Keyboard Analyzer , available for MacOS, Ubuntu/Linux and Windows. There …Jan 5, 2019 · With progress making headway on the upcoming PS4 port of RetroArch from a group of developer's, Another developer (fjtrujy) started progress on a PlayStation 2 (PS2) port several months back (view previous progress) and now has a port that progressed enough for a public soft release, Now available in the new RetroArch PS2 Nighties for anyone interested in downloading and trying out the multi ... The PS/2 port is a 6-pin mini-DIN connector used for connecting some keyboards and mice to a PC compatible computer system. Its name comes from the Personal System/2 series of personal computers, which was introduced in 1987.Sep 24, 2018 · It lets you make a USB-keyboard to PS/2-computer converter out of an STM32F401C-DISCO board and a couple of resistors. This project is currently in development, but it's already functional enough to control a Linux PC via a USB keyboard plugged into a PS/2 port through this converter. It is possible, but it will take time for it to happen. There is port of the Daedalus x64 for the PS2 (N64 Emulator) and it runs very poorly. Mario 64 runs well because it's a port based on a decompilation of the rom and it runs natively. There is also a decompilation of Ocarina of Time and maybe someday it will be ported to another console.As it stands, there are 149 PS2 games currently playable on the Vita. The list was really good, but I have decided to fix mistakes, and carefully go through the Wikis and videos of each game to see if the game was identical to the PS2 version to remove watered-down ports, and added a lot more games that can be played on the Vita via homebrews ...Are you planning a cruise vacation from the beautiful city of Seattle? If so, it’s important to consider your transportation options once you arrive at the Seattle cruise port. Ren...Here is second beta release of PS2 Blue Shift mod. In this release you can expect some bug fixes, stability and performance improvements. And in addition to that there is also a brand new version with HD models. If you ever wondered how would Blue Shift look like if it was included with original PS2 Half-Life release then this version should ...Nov 21, 2022 · All versions of Windows have PS/2 drivers included with them. The only time some additional software may be needed if the keyboard has additional keys that are non-standard for example shortcut keys to a particular piece of software, which was typical of HP and Dell computers back in the late 90’s early 2000’s. PS2 ports use synchronous serial signals to communicate between computer and keyboard or mouse."IS there a necessity for the mouse to know a different protocol or a different pinout to be able to be connected to a PS/2 port ?" The answer is yes, a USB HID device (mice and keyboards) must understand the alternative PS/2 protocol in order to function in PS/2 port using USB-PS/2 adapter. Not every USB mice or …PS/2 ports are small circular-shaped 6-pin ports that connect the keyboard and mouse to your PC. PS/2 port gets its name from the IBM Personal …If you’re looking for a fun and exciting vacation, a cruise out of Port Canaveral, FL is the perfect choice. Located on Florida’s east coast, Port Canaveral is one of the busiest c...Jan 22, 2019 · A PS/2 port is a better choice for keyboards because it works on the base of interrupts - when you press a key it's executed immediately, there's no waiting for processor time (pooling rate) - that's better than regular USB keyboards which operate at 125 Hz (USB pooling rate) - and also most cheap USB keyboards have an NKRO of 3 while the same can have 6-NKRO when plugged to PS/2. PS/2 ports are small circular-shaped 6-pin ports that connect the keyboard and mouse to your PC. PS/2 port gets its name from the IBM Personal …Save on our amazing HP® 800/600/400 G3 Serial/ PS/2 Adapter with Free Shipping when you buy now online. Get our best deals when you shop direct with HP. ... your HP 800/600/400 G3 Series Business Desktop for legacy display and device connectivity by adding one Serial and one PS/2 port through a PCIe slot with the HP 800/600/400 G3 …Pmod PS2 Keyboard / Mouse Connector Features Standard PS/2 port Jumper to allow for an external power source 6-pin Pmod connector with GPIO interface Follows the Digilent Pmod Interface Specification Type 1 Electrical Bus GPIO. Specification Version 1.2.0 Logic Level 3.3V or 5V ...A PS/2 port is a better choice for keyboards because it works on the base of interrupts - when you press a key it's executed immediately, there's no waiting for processor time (pooling rate) - that's better than regular USB keyboards which operate at 125 Hz (USB pooling rate) - and also most cheap USB …The keyboard and mouse interfaces of the PS/2 platform are electrically similar and use the same communication protocol. The PS/2 platform included a second port with the same design as the keyboard port for usage with a mouse. The keyboard and mouse ports on a given system, in contrast to Apple’s …There was also the SCPH-3000x, 3500x, 3900x, and 500xx models. SCPH-500xx model. Beginning with model SCPH-500xx (v9 & 10), the i.LINK port was removed. An infrared receiver was added for use with a remote to control DVD playback, leaving both controller ports free from the external receiver. The PS2 standard color is matte black.Feb 24, 2024 · Bruh we barely have an official N3DS port let alone a PS2 port . Reply. Upvote 0 Downvote. Tom Bombadildo Dick, With Balls. Member. Level 27. Joined Jul 11, 2009 ... By the end of 2024, I expect this unofficial PC port to be really polished, and on par in every way with the PS5 version. Also, let’s hope that we’ll get …Another PS/2 mouse that you can buy online is the QLX M829 mouse. This is a 1000 dpi wired optical mouse that has a sleek design and is also very comfortable to hold. With USB ports having replaced the old PS/2 port, a PS/2 mouse may not be very easy to find. However, this does not mean that buying a PS/2 mouse is impossible.A PS/2 port is a better choice for keyboards because it works on the base of interrupts - when you press a key it's executed immediately, there's no waiting for processor time (pooling rate) - that's better than regular USB keyboards which operate at 125 Hz (USB pooling rate) - and also most cheap USB …Here’s a photo illustrating the two ports, from Phil Storrs PC Hardware book: This isn’t strictly AT-compliant, a more common configuration was to have the PS/2 port on a bracket or another cut-out in the back of the case. If your computer does have such a DIN port, you can use a PS/2-to-DIN adapter to connect a PS/2 keyboard to it.Here is second beta release of PS2 Blue Shift mod. In this release you can expect some bug fixes, stability and performance improvements. And in addition to that there is also a brand new version with HD models. If you ever wondered how would Blue Shift look like if it was included with original PS2 Half-Life release then this version should ...If all USB ports are disabled, you cannot copy files off the machine and onto a USB flash drive. PS2 is more consistent than USB due to the nature of how they operate. USB is checked/polled periodically to see if there is any data/activity, …There are various types of PS/2 port controllers; including "bit banging" general purpose IO, special support built into the system's chipset and add-on PCI cards. There are also various types of PS/2 devices (keyboard, mouse, touch-pad, bar code scanner, magnetic card/stripe reader, fingerprint reader, etc).5:17 am. No Comments. PS/2 Port. Other Devices. A PC-compatible computer system’s keyboard and mouse can be connected using the 6-pin mini …[Motherboard] How to enable “power on by PS/2 keyboard” via BIOS setting. First of all,the keyboard must support power on by keyboard, it must be the PS/2 keyboard!! Memo:(1)ASUS BIOS can't support power on by USB keyboard! (2)If not connect PS2 keyboard, you can't see the option of power on by keyboard! The …Learn the definition and history of PS/2 port, a hardware interface for connecting a mouse or keyboard to a computer. Find out how PS/2 port differs from USB …The Port of Miami is one of the busiest cruise ports in the world, welcoming millions of passengers each year. If you are planning a cruise vacation and need information about the ...If all USB ports are disabled, you cannot copy files off the machine and onto a USB flash drive. PS2 is more consistent than USB due to the nature of how they operate. USB is checked/polled periodically to see if there is any data/activity, … 23.8k 46 153 239. Yes, USB ports are disabled. Yes, non Mac USB keyboards don't work either. Yes, PS/2 keyboards do work. Can't enable the USB since it is locked down by the IT department (password protected and everything). – Sixty4Bit. 6in PS/2 Keyboard Mouse Splitter Cable Adapter | Europe.The PS2's DualShock 2 controller is an upgraded version of the PlayStation's DualShock with analog face, ... The console also features USB and IEEE 1394 expansion ports. Compatibility with USB and IEEE 1394 devices is dependent on the software supporting the device.The CL5708 offers a space-saving, streamlined approach to KVM switch technology by integrating a keyboard, 17", 17.3" or 19" LED-backlit LCD monitor, and touchpad in a 1U rack-mountable sliding housing.To enhance security, the CL5708 offers the option to use a fingerprint identification system for controlling access to both the CL5708 itself and the …If you’re looking for a fun and exciting vacation, a cruise out of Port Canaveral, FL is the perfect choice. Located on Florida’s east coast, Port Canaveral is one of the busiest c...Apr 12, 2021 · Today's laptops and desktop computers rarely, if ever, have a PS/2 port for connecting an external mouse or keyboard. However, all computers have one or more USB (universal serial bus) ports. If you have a mouse with a PS/2 cable, a simple PS/2-to-USB adapter can be purchased. Below is a picture of a PS/2-to-USB adapter. Note. PS/2 Port. Used for old computer keyboard and mouse. Also called mouse port. Most of the old computers provide two PS/2 port, each for the mouse and keyboard. IEEE 1284-compliant Centronics port. Universal Serial Bus (or USB) Port. It can connect all kinds of external USB devices such as external hard disk, printer, …[Motherboard] How to enable “power on by PS/2 keyboard” via BIOS setting. First of all,the keyboard must support power on by keyboard, it must be the PS/2 keyboard!! Memo:(1)ASUS BIOS can't support power on by USB keyboard! (2)If not connect PS2 keyboard, you can't see the option of power on by keyboard! The …The PS2 is compatible with all PlayStation and PlayStation 3 cables which use the AV-multi port. RFU adapter [ edit ] The RFU Adapter (SCPH-1122) is an RF Modulator and cable that carries mono audio and video at 576i /50 Hz (PAL) or 480i /60 Hz (NTSC) via an RF signal and connects using a TV aerial plug . [10]PS/2 csatlakozók, a lila a billentyűzeté, a zöld az egéré. A PS/2 port egy ma már elavultnak számító, hatlábas, a billentyűzet és az egér csatlakoztatására szolgáló számítógépes csatlakozó. Nevét az IBM PS/2 számítógépcsaládról kapta, amely először használta a csatlakozót. ...The PS/2 port is a 6-pin mini-DIN connector used for connecting keyboards and mice to a PC compatible computer system. Its name comes from the IBM Personal …HP Z2 G5 Internal Serial and PS/2 Port (141K9AA) Shop . HP Z2 G5 Internal Serial and PS/2 Port (141K9AA) Tech specs. Weight: 56 g. Minimum dimensions (W x D x H): 7.98 x 4.83 x 2.29 cm +11.94 x 1.78 x 3.81 cm +25.9 cm. View all tech specs . Warranty & Support. HP Support ; Troubleshooting ; A type of port developed by IBM for connecting a mouse or keyboard to a PC. The PS/2 port supports a mini DIN plug containing just 6 pins. Most PCs have a PS/2 port so that the serial port can be used by another device, such as a modem. The PS/2 port is often called the mouse port. Since 1995, more than 100 tech experts and researchers have ... If you are not sure which PS/2 port is the mouse PS/2 port, see the documentation that was included with the computer. · Verify that the USB plug for the keyboard is connected to the purple USB-to-PS/2 adapter and that this adapter is plugged in the keyboard PS/2 port on the computer. The keyboard PS/2 port on the computer may also be purple.1 Answer. Sorted by: 9. The converters like these: are just for the connections. It will not make a USB-only keyboard work in PS/2. It will not make a PS/2-only keyboard work on USB. The keyboard that came with such an adapter was capable of both USB and PS/2 connections. It detects if it is plugged into a USB port or a PS/2 port and then ... A type of port developed by IBM for connecting a mouse or keyboard to a PC. The PS/2 port supports a mini DIN plug containing just 6 pins. Most PCs have a PS/2 port so that the serial port can be used by another device, such as a modem. The PS/2 port is often called the mouse port. Since 1995, more than 100 tech experts and researchers have ... En plus de ce qui précède, lorsque vous démarrez le PC, le port PS / 2 se charge avant même le BIOS ou les données du processeur, et il a littéralement le pouvoir d'interrompre les instructions du processeur. Cela signifie qu'il fonctionne toujours, peu importe ce que vous faites, jusqu'à ce que vous coupiez l'alimentation.

PS/2 (port komunikacyjny) [ edytuj] PS/2 (port komunikacyjny) Kolorowe oznaczenia złączy PS/2 (fioletowe dla klawiatur i zielone dla myszy). PS/2 – port komunikacyjny opracowany przez firmę IBM. Jest on odmianą portu szeregowego przeznaczoną do podłączania klawiatury i myszy .. Gyms in miami

ps2 port

PS2 ports use synchronous serial signals to communicate between computer and keyboard or mouse.[Motherboard] How to enable “power on by PS/2 keyboard” via BIOS setting. First of all,the keyboard must support power on by keyboard, it must be the PS/2 keyboard!! Memo:(1)ASUS BIOS can't support power on by USB keyboard! (2)If not connect PS2 keyboard, you can't see the option of power on by keyboard! The …The name “PS/2” comes from the IBM Personal System/2, which was the system for which they were first developed. Although they were originally designed by IBM, PS/2 ports and connectors are now widely used by other manufacturers. PS/2 connectors are typically color-coded, with the keyboard port being purple and the mouse …Global Ports Holdings News: This is the News-site for the company Global Ports Holdings on Markets Insider Indices Commodities Currencies Stocks"IS there a necessity for the mouse to know a different protocol or a different pinout to be able to be connected to a PS/2 port ?" The answer is yes, a USB HID device (mice and keyboards) must understand the alternative PS/2 protocol in order to function in PS/2 port using USB-PS/2 adapter. Not every USB mice or …Front of the PS2 showing common ports including Controllers and Memory Cards. Plus, the new USBs and i.Link ports . The most popular additions are the two USB 1.1 ports. Its theoretical speed is 12 Mbps but that’s highly dependent on the IOP’s bandwidth (which tends to be considerably slower).We've been very excited about Google Voice ever since we gave it a closer look, but our biggest cause for hesitation (and the biggest complaint of many of our readers) is that you ...Seen mostly on older computers, the Personal System/2 (PS/2) port was most commonly used for keyboards and mice. They’re color-coded – purple for the keyboard and green for the mouse. PS/2 ports may still be seen on computers in high security facilities. Having only PS/2 mice and keyboards eliminates the need for USB ports.Save on our amazing HP® 800/600/400 G3 Serial/ PS/2 Adapter with Free Shipping when you buy now online. Get our best deals when you shop direct with HP. HP Days ... your HP 800/600/400 G3 Series Business Desktop for legacy display and device connectivity by adding one Serial and one PS/2 port through a PCIe slot with the HP 800/600/400 G3 ...Mar 6, 2021 · Check out https://eater.net for more computer engineering stuff!List of scancodes from the video: https://docs.google.com/document/d/1w--ouGvSSf93tFltmBcSRGM... Front of the PS2 showing common ports including Controllers and Memory Cards. Plus, the new USBs and i.Link ports . The most popular additions are the two USB 1.1 ports. Its theoretical speed is 12 Mbps but that’s highly dependent on the IOP’s bandwidth (which tends to be considerably slower).Wanted to recreate the port wine cheese balls of my childhood and Hickory Farms fame but with quality ingredients and minus that weird color. Found the secret to making any cheese ...PS/2 Port. Used for old computer keyboard and mouse. Also called mouse port. Most of the old computers provide two PS/2 port, each for the mouse and keyboard. IEEE 1284-compliant Centronics port. Universal Serial Bus (or USB) Port. It can connect all kinds of external USB devices such as external hard disk, printer, … A type of port developed by IBM for connecting a mouse or keyboard to a PC. The PS/2 port supports a mini DIN plug containing just 6 pins. Most PCs have a PS/2 port so that the serial port can be used by another device, such as a modem. The PS/2 port is often called the mouse port. Since 1995, more than 100 tech experts and researchers have ... its a post at dvdtalk.com, and this guy bought a broken ps2 (controller port 1 not working), and how he just used some inexpensive thermal ...Whereas PS2 was a bandwidth beast and had insane amounts of pixel fill rate. PS2 also had several processors, not just one. Two Vector processing units, GS, EE and even a processor for audio, all working simultaneously. I do side-by-side comparisons of games on PCSX2 and XEMU, and nearly all PS2 ports look superior to Xbox ports.Aug 26, 2013 ... Welcome back to Tech YES City, thats right we are all feeling the power of YES around here regardless of whether you are trying hard or not ...Are you planning a cruise vacation and need a reliable mode of transportation to the Port of Miami? Look no further than a taxi service. Taking a taxi to the port is not only conve...Feb 16, 2021 · The PS/2 connector was used for both keyboards and mice. The connectors were physically identical, but the protocols were different, so every computer had a label next to each PS/2 port indicating whether it is a keyboard port or a mouse port. By convention, the keyboard plug and port were purple, and the mouse plug and port were green. .

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