Questions tagged [ps2]

PS/2 is an older interface for connecting mice and keyboards to a PC. The connector is a 6-pin Mini-DIN and only fits one way.

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96 views

Will a USB to PS/2 adapter come with the benefits of a PS/2 to PS/2 connection?

Will the benefits of ultra low latency "forces the cpu to deal with the ps/2 input" exist with a USB to PS/2 adapter or will the adapter be a limiting factor?
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Can you install PS/2 ports in a PC that didn't come with any?

I have a PS/2 keyboard and PS/2 mouse that work quite well. The Dell OptiPlex 780 is an all around excellent PC, but two things it lacks are a) floppy drive by default and b) PS/2 ports. We have an ...
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P300STD barcode scanner not printing with ps2 to usb adaptor

my barcode scanner is not recognized when using ps2 to usb adapter , i had to use an adaptater as my pc hasn't any ps2 port it makes a bip sound but nothing is displayed in Notepad i am using windows ...
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ps2 keyboard to usb laptop with win 10

OK, here is my problem . I wanted to use my old "Microsoft natural multimedia keyboard 1.0A (PS/2 style)" with my laptop (Toshiba Satellite c75d-b7304) that runs "win 10 home", but my laptop doesn't ...
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2answers
736 views

Why don't PS/2 ports need drivers?

I recently came across the following answer on SU, which states: If your motherboard USB ports don't work during install, you will have to use PS2 keyboard and Tab key during install of windows. ...
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90 views

USB keyboard and USB-to-PS/2 adapter scancode

I have configuration like this: USB keyboard ---> USB-to-PS/2 adapter ---> PS/2 port.Below is the image of the adapter. USB-to-PS/2 adapter My question is which scancode will be produced at the end ...
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1answer
249 views

Working with a Passive PS/2 to USB converter

For some background see this question. I've recently gotten my hand on a logitech Y-ST39 keyboard which uses the PS/2 protocel. I've bought an converter for it without knowing that it is a passive ...
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192 views

How to solder PS2 input to laptops internal PS2 bus?

My laptop does not have an external PS2 input. I would like to: disconnect my built-in keyboard from the internal PS/2 interface solder an external PS/2* port to that interface connect external PS/2* ...
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444 views

Would a PS/2 Port be damaged by hotswapping if a USB to Ps2 convertor is used?

I want to use a USB keyboard and mouse with an old server. Not very old but the USB ports are taken up. I plan on using an active USB to PS2 convertor (Tripp Lite brand) But I need to be able to ...
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(GIGABYTE BIOS) PS/2 keyboard isn't working, but is seen in devmgmt

Backstory: I have a new PC build, and it's my first time using a GIGABYTE motherboard; model: Z270XP-SLI. It's on the latest F9d BIOS revision. When I use my Rosewill RK9000 PS/2 keyboard with it, ...
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6k views

Disabled ALL USB ports. How do I reenable without PS/2 port on Windows 10?

I'm running a Windows 10 Edition and the motherboard's ASUS Z270 motherboard All USB ports have been disabled via device manaager. I've bought a PS/2 O/P USB I/P adapter, plugged in two USB mice to ...
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6k views

Windows 10 doesn't see PS/2 keyboard [duplicate]

The PS/2 keyboard is available in the BIOS. But after the Windows 10 system is booted, keyboard is not detected.
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Do built in keyboards use polling or interrupts?

I was reading this question which says that USB keyboards use polling to see if keys are being pressed whereas PS/2 keyboards use interrupts. I was wondering which method built in keyboards on a ...
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1answer
362 views

Is the PS/2 connector really safer than USB?

Is it possible to exploit the PS/2 connector like the USB (for example with something like a Rubber Ducky)? In term of security reasons, theoretically, it should be possible to virtualize the PS/2 ...
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Need PS/2 adapter in case of USB driver conflict

I had an issue when installing Windows 7, when it came time to install the USB 3.0 driver that came with the motherboard. Next thing I know when I reboot, both mouse and keyboard are no longer working ...
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1answer
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Why does nobody makes a new peripherical connector based on ending interrupts signals to processors such as PS/2? [closed]

Most specialists agree that for a mouse and a keyboard the most efficient way to communicate with the processor is based on interrupts (the way it is done in PS/2 ports) rather than polling (the way ...
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1answer
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Is a Mouse USB to PS/2 adapter identical internally with a a keyboard USB to PS/2 adapter?

I would like to buy a keyboard USB to PS/2 adapter. However on many websites I see Mouse USB to PS/2 listed separately than Keyboard USB to PS/2 adapters/ I wonder if they are internally identical or ...
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1answer
755 views

How to diagnose an unresponsive Ubuntu 16.04 GUI?

Virtually a newbie to linux/ubuntu I recently installed Ubuntu 16.04 AMD64 build on a hard-drive first installing it on a USB stick. The system is now a dualboot with Win 7 on one drive, Ubuntu 16.04 ...
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Can any USB mouse or keyboard be connected to the PS/2 connector of a motherboard via USB-PS/2 adapter?

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 ? Many vendors provide USB - PS/2 adapter, but some don't. From what I ...
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5answers
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How many port adapters, and which ones can be stacked up and actually work?

Someone posted this pic on twitter today: That won't work, right? Why, exactly? And, specifically, at which point the stack of adapters stops working?
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My ps/2 port keyboard does not function after BIOS. Can I fix this?

I recently created a boot drive for Windows 10 from the Media creation tool that I downloaded from the Microsoft website. Now when I boot from the disk, the keyboard works fine till i allow the ...
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1answer
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My USB mouses aren't working on my windows XP. Do I need to use a PS/2 interface mouse?

So i found this old windows XP, and i plugged in the mouse got it started up, but the cursor on the screen wouldn't move. i tried many mouses and every port on the tower. One mouse glowed red, meaning ...
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1answer
44 views

Keyboards plugged to one computer have different failing rows of keys, but work perfectly fine on any other computer

I have a PS2 and an USB keyboard. Recently, a column of keys on my PS2 keyboard failed, so I swapped it for an USB keyboard, but that one turned out to have another different failing column of keys. ...
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111 views

What is the key combination for upgrading backup firmware on gigabyte z170-hd3?

Recently switched to gigabyte z170-hd3. some Gigabyte cards have a dual firmware feature, so if the main uefi is flashed incorrectly, it will boot from the backup one. I upgraded the main firmware ...
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1answer
870 views

Is USB keyboard faster than PS/2?

I recently joined a CNC manufacturing company and they have given me a project to work on. So the issue is the MDI keypad used in their CNC machine is of PS/2 interface and they feel that it is slower,...
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259 views

PS2 keyboard not working on a Windows and Ubuntu dual boot system

I have a Windows and Ubuntu dual boot system. From yesterday my keyboard is not working in either of the OS. But it works fine while selecting the operating system or installing an operating system. ...
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1answer
90 views

How to select grub entry via PS2 port?

We want to output the grub entry to serial port and select the grub entry on another machine via serial port. We have two machines. For the machine with built-in serial port, we followed the ...
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100k views

Do PS2 Keyboards work on Windows 10

I was just told that PS2 Keyboards aren't compatible with windows 10. Is this true. I was under the impression that they should work fine?
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290 views

PS/2 Mouse not recognized at Windows XP startup

I have a PS/2 Logitech optical mouse connected through a KVM to a system running Windows XP. When the system starts up the mouse will not respond (does not appear to be getting power, optical light ...
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5answers
5k views

What is the end of this cable?

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? ...
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1answer
1k views

PS/2 Mouse with PS/2 to USB adaptor not working

I dug out an old IBM clone mouse with a PS/2 interface that I need to use on a modern machine. I have a PS/2 to USB adaptor, but it doesn't appear to work. It shows up in Device Manager as a HID ...
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1answer
281 views

Is it true that connecting PS/2 mouse to PS/2 keyboard socket damaged old IBM PCs? [closed]

Several years ago, my neighbor, who was once working at IBM in the "earlier" times (he's above 60 now), told me a story about a customer who reported that the motherboard of one of these old IBM PCs ...
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2answers
9k views

Can I use my green (mouse) USB-to-PS/2 adapter for keyboards?

I have a USB keyboard which I want to connect over PS/2 to my computer. I only have a green USB-to-PS/2 adapter which has the symbol of a mouse on it. Can I use it for the USB keyboard anyways? My ...
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1answer
1k views

How do I get an existing Windows 8 installation to recognize a ps/2 keyboard?

How do I get an existing Windows 8 installation to recognize a PS/2 keyboard? The keyboard works when I'm in the bios, but once Windows starts, the keyboard stops working. The NumLock light is on, ...
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ps/2 port of the case doesn't work properly

I'm going to install Win XP on my computer (I had win 7 but had some problem with installing the HP printer on it and so I decide to install XP because that printer seems to be installed properly on ...
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2answers
24k views

Caps lock key behavior on PS/2 keyboard is reversed

I'm on a Windows 7 desktop with an external ps2 keyboard and its Caps lock key is behaving in opposite manner, like when I turn on the caps lock and the caps lock key light is lit its typing in small ...
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3answers
13k views

PS/2 keyboard works in BIOS but no longer in Windows 7

This keyboard has been working fine yesterday. Today I start the computer and it stops working somewhere during the Windows logo animation (I keep toggling the Fn key to check). It doesn't react to ...
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1answer
1k views

In what way does non-“full n-key rollover” hinder fast typists? [closed]

Wikipedia claims (although the latter claim does not cite a source) that: High-end keyboards that provide full n-key rollover typically do so via a PS/2 interface as the USB mode most often used by ...
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Video Card doesn't work without PS/2 Keyboard plugged into PS/2 Mouse port

To make a very long story short, we had a computer in with an odd problem: While the computer otherwise booted fine (Windows start-up sound played), The PCIe-16 video card would not display an image ...
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1answer
2k views

can't access my bios with my usb keyboard no ps/2

my USB keyboard doesn't seem to be recognized at post. I have no ps/2 port. no port on my motherboard. Can't install my windows 7 cause I think is on gpt or else. I really need to get access to my ...
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1answer
307 views

Windows not recognizing mouse or keyboard

I purchased myself a Wild Dog Performance from System76 for Christmas and I am loving it; I've been forced to use Windows at work and having a machine that runs Ubuntu perfectly is a welcome relief ...
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How to Determine if USB mouse supports PS/2?

Without having the mouse in hand, is there any way if I can determine if a USB mouse (ie: http://dx.com/p/usb-2-0-wired-red-laser-3200-2400-1600-800dpi-gaming-mouse-black-225631#tabProInfo) supports ...
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Transmission rate of PS/2

USB 2.0 full speed - 12 Mbps USB 2.0 high speed - 480 Mbps But what are the rates for PS/2?
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VirutalBox - How to use USB based mouse as PS/2 mouse?

I'm using VirutalBox to run Windows 1.1. But this version of windows only support PS/2 input devices (Keyboard/Mouse). So, Is there any methods to use USB Based mouse (and Keyboard) as PS/2 standard?
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1answer
1k views

Is it true a USB keyboard can cause a boot to fail?

We had a server running Big-IP and we through out the server hardware and (many years latter) I'm trying to wipe the hard disk. I was trying to boot in to a System Rescue CD so I can run Darik's Boot ...
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When naming a port adapter which port should be said first?

For example a piece of hardware that plugs into a USB port and provides a PS/2 port, is it called a "USB to PS/2 adapter" or "PS/2 to USB adapter"?
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Gigabyte Motherboard Not Detecting Keyboard

My friend bought a Gigabyte motherboard for use in a hackintosh and for some reason it does not detect the keyboard. The keyboard lights up but no input is detected. He can not access the BIOS and has ...
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1answer
1k views

IBM Model M keyboard not detected on cold boot?

Sharing some experience for the clicky keyboards fans, hope it can be useful so somebody... A few months ago I got my first mechanical keyboard : an old IBM Model M, that I found in an electronic ...
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PCSX2 displays black screen

I have downloaded PCSX2 version 1.0.0 for Windows from the PCSX2 team's official site, http://pcsx2.net/. I own a PS2 and I have installed PCSX2 with a bios. I want to play the PS2 game "DragonBall Z -...
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2answers
1k views

Composite input to computer monitor

So I have a PS2 that I'd really like to connect to my computer monitor. My monitor only has input for HDMI and VGA, so I can't connect it directly. I have a TV Tuner PCI card (it came with the ...