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Thread: USB vs PS/2 Keyboard: latency, bandwidth -> inputs per second? Reply to Thread
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  Topic Review (Newest First)
01-05-2013 08:32 PM
Typhoon859 Ok, guys, I think this is the right thread for me to post this question. I'm hoping someone could really help me out here.

I'll let you guys determine what best suits my needs so I won't go into any details which I've thought out myself.

BASICALLY, I'm looking for the best choice for the lowest latency mouse which could possibly exist. High precision isn't necessary - only response time to button presses. I guess the same would go for a keyboard but more important to me is the mouse. Any recommendations? (whether it's a specific product or general idea)

Response time is all that's important.
11-14-2012 07:39 PM
Cartel I just switched to PS\2 because I was sick of seeing "HID-compliant consumer control device" and having to just disable them because it will lag your game like mad.
Logitech has a real issue with it.

http://geekmontage.com/windows-8-solve-game-lagging-with-logitech-mouse-keyboard/

even on Windows 8...on a 2005 game!

So now on PS\2 I have none of that
10-19-2012 12:37 PM
ripster Yeah, it was more like...."just plug it in and don't bother me".


Anyway more and more gaming keyboards are mechanical AND usb only so this issue it becoming more and more moot every year.

10-19-2012 12:31 PM
Anhedonique
Quote:
Originally Posted by ripster View Post

I asked this VERY question at Reddit to IT professionals.
In summary they don't really give a rat's ass what you use and USB is quite reliable these days. I keep a PS/2 keyboard around for Overclocks gone bad.
http://www.reddit.com/r/techsupport/comments/11oqwf/should_i_plug_in_my_keyboard_into_the_ps2_port_or/
In fact it was like "PS/2...Lolwut?".

Actually, after reading this thread I didn't get the whole "ps2, woot?" feel out of it.
10-19-2012 12:01 PM
ripster YOU should edit the OCN Mechanical keyboard guide then. Really, it IS getting embarassing the amount of stuff obsolete in it.

BTW I learned that Gold IS recommended by AMP Connectors. NOT for latency though. Simply for multiple insertions and corrosion properties. Although NASTY stuff happens when paired with Tin connectors.

http://www.te.com/documentation/whitepapers/pdf/aurulrep.pdf
10-18-2012 03:22 PM
chinesekiwi Yep, the only reason to keep a PS/2 keyboard is if your USB ports are screwed (either hardware wise or software wise via dodgy BIOS) but still need to access BIOS (which did happen to me once).
10-18-2012 03:18 PM
ripster Tell that to the editor of the obsolete OCN Mechanical Keyboard Guide.
10-18-2012 12:43 PM
Anhedonique Thanks, having more knowledge about the topic prevents people from spreading misconceptions
10-18-2012 11:52 AM
ripster I asked this VERY question at Reddit to IT professionals.

In summary they don't really give a rat's ass what you use and USB is quite reliable these days. I keep a PS/2 keyboard around for Overclocks gone bad.

http://www.reddit.com/r/techsupport/comments/11oqwf/should_i_plug_in_my_keyboard_into_the_ps2_port_or/

In fact it was like "PS/2...Lolwut?".
10-18-2012 09:45 AM
Crazy9000
Quote:
Originally Posted by Anhedonique View Post

So what changed in the past 4 years or so?
What is the deciding factor that makes USB faster and more reliable as opposed to p/s2?

The only thing that's changed is now some keyboards allow 12 or more keypresses at once over USB, where the limit used to be 6. The only legitimate reason to go with PS/2 was if you had to press a bunch of keys at once for a game or something that you had to use both hands on keyboard. USB is not faster, but it's not really slower either. It is easier to deal with, so there isn't much reason to get a ps/2 keyboard over USB.
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