Hardware pinouts information and cables schemes

Keyboard PS/2 specification users reports and reviews

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There are 31 approved reports in our database

Date Content
User opinion Comment Approved by moderator?
INCORRECTText says that the kbd generates the clock, but the diagram shows the direction of the clock is the same as that of the 5V supply. Either the text or the diagram appears to be wrong? Otherwise a splendid site!APPROVED
2008-10-11 19:55:38rev. 2CORRECTAPPROVED
2008-10-31 13:15:11rev. 2CORRECTAPPROVED
2009-09-09 17:50:18rev. 3CORRECTAPPROVED
2009-11-21 14:22:46rev. 4INCORRECTThis is wrong mirror image saatanan paskaa viljhellAPPROVED
2009-11-29 23:11:35rev. 4CORRECTAPPROVED
2010-04-25 14:53:12rev. 4CORRECTAPPROVED
2010-08-19 21:59:38rev. 4CORRECTI found 3,3V output at unused pin 6 of keybrd conn on HP Vectra (pentium 3) motherboard. This can destruct PS2-COM combo mouse, but change nothing with keybrd. APPROVED
2010-09-02 19:51:17rev. 4CORRECTКорректно, но это картинка разъема со стороны распайки, а не со стороны штырьковAPPROVED
2011-09-18 07:46:18rev. 5ERROR FIXEDpinout table missingAPPROVED
2012-12-12 08:52:53rev. 5CORRECTAPPROVED
2013-04-23 20:48:55rev. 5CORRECTAPPROVED
2015-01-21 16:11:33rev. 6CORRECTAPPROVED
2015-04-30 19:43:27rev. 6CORRECTAPPROVED
2015-05-19 18:52:12rev. 6CORRECTAPPROVED
2015-11-10 22:09:50rev. 6INCORRECTThe schematis that is shown on your webpage is not working whit my keyboard. I want to connect a PS2 connector to an old keyboard and is not working with your schematic. Please help me to done this tight. Old keyboard wires association: CLK - Brown, DT - Red, GND - Yellow, 5V - Green. I have connected all the wires like is shown in the schematics but it doesn't work. Please help me. Thank you in advance.APPROVED
2015-11-20 08:56:47rev. 6CORRECTIts correct.APPROVED
2015-12-13 15:28:01rev. 6CORRECTYes, what wire colours are there? Would love to know because I want to make a adapter so I can plug in my ancient ps2 keyboard in to a USB port :) By the way you guys are awesome!APPROVED
2015-12-16 13:53:37rev. 6CORRECTAPPROVED
2018-05-02 21:04:51rev. 6CORRECTAPPROVED
2019-03-26 11:23:41rev. 6CORRECTAPPROVED
2020-08-30 04:57:04rev. 6CORRECTAPPROVED
2021-03-28 05:10:45rev. 6CORRECTAPPROVED

History of users contributions

Date Content
Author Comment
2009-06-01 23:32:53rev. 3Removed spaces in the last lines
2009-10-12 23:05:51rev. 4Michael UemminghausUpdate for Keyboard/Mouse combo PS2
2010-01-06 23:18:17rev. 4
2011-07-21 18:58:09rev. 4James McGillClock is generated by the keyboard.
2011-10-04 23:01:47rev. 5MarkThis page is incomplete!
2014-11-25 10:08:41rev. 6

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Pinouts.ru > Pinout of Keyboard PS/2 and layout of 6 pin mini-DIN female (PS/2 STYLE) connector
should be correct