USB to PS/2 Mouse Connector Wiring
by hasan on Aug.14, 2009, under Computer, General
Yesterday when I got off work, I found my mouse has lost from my computer, then I tried to find it, finally I found in toy box of my son. I was very surprised finding mouse adapter has broken. I used mouse with usb connector because my USB port has already full, so I used USB-PS/2 adapter to connect to PS/2 port.
I don’t have much time to find out USB-PS/2 adapter in the market, finally I asked my friend about this, he gave me wiring configuration for USB to PS/2 connector.
The wiring is very simple as the following:
USB Connector at the MousePin No 1 = VDC +5V
Pin No 2 = Data -
Pin No 3 = Data +
Pin No 4 = Ground
PS/2 Connector at the MousePin No 1 = Data
Pin No 2 = No Connect(NC)
Pin No 3 = Ground
Pin No 4 = VDC +5V
Pin No 5 = Clock
Pin No 6 = No Connect(NC)
Connect pin no.1 of USB to pin no.4 of PS/2.
Connect pin no.2 of USB to pin no.1 of PS/2.
Connect pin no.3 of USB to pin no.5 of PS/2.
Connect pin no.4 of USB to pin no.3 of PS/2.
PS: This wiring works only with mouse which supports with both interfaces (USB & PS/2).
Here are the result:

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ps2 to usb adapter
April 5th, 2010 on 6:28 pm[...] Features: Black CableCompliant with USB 1.0 and 1.1 Compliant with USB Human Interface Device (HID)USB to PS/2 Mouse Connector Wiring | Hasannudin dot ComConnect pin no.1 of USB to pin no.4 of ps/2. Connect pin no.2 of USB to pin no.1 of ps/2. Connect [...]






August 16th, 2009 on 5:01 pm
Good article…I confused to choice of hole color in use….
August 17th, 2009 on 4:00 am
During modification I don’t remember about its color, I just checked every pins, then connected as I mentioned before..
August 17th, 2009 on 10:44 am
Very nice post… I have another improvement…!! My internet using USB Wireless Adapter for cathing a hotspot. In order to obtain a high quality signal, I made a long USB wire… and place the USB Adapter in the roof of my house.
August 17th, 2009 on 11:58 am
I also use wireless like yours to catch hotspot signal, Rp 60.000 per month, I plan to make pan anthena to get stronger signal but still looking for UTP cable, maybe next week.
August 19th, 2009 on 4:36 pm
Hi, does this really work?
I got kinda a old ps2 mouse I would like to convert to usb.
I just checkin gto be sure this is real, because i have no idea it can work. Its kinda mixing two interfaces here.
does it work, anybody?
ben, admin of guarddogmonitor.com/blog
August 19th, 2009 on 11:53 pm
I’m not sure, you can try by yourself, the important things is about connecting +VDC and Ground to its pair.., so you will not get high risk, just not work instead of getting burn the device..,
August 21st, 2009 on 2:32 am
Keep your spirit blogging, thanks for that information.
August 21st, 2009 on 4:54 am
very nice review, it is very useful, thanks bro
September 3rd, 2009 on 6:54 am
I recently came across your blog and have been reading along. I thought I would leave my first comment. I don’t know what to say except that I have enjoyed reading. Nice blog. I will keep visiting this blog very often.
December 28th, 2009 on 2:31 am
Thanks 4 share…. it’s so shortly tutorial but very useful!!!
Keep to share …
Good Luck !!!