USB specification users reports and reviews

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There are 244 approved reports in our database

Date	Content Revision	User opinion	Comment	Approved by moderator?
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT	It"s ok.	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT	thanks	APPROVED
		CORRECT	thanks	APPROVED
		CORRECT		APPROVED
		CORRECT	Very handy information. Pinout works great.	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		ERROR FIXED	usb-mini pinout picture is reversed	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT	Excellent references for new user and cable designers!	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		ERROR FIXED	USB-mini drawing shows conductors on bottom (like plug) and is numbered like plug, but has outline of receptacle.	APPROVED
		ERROR FIXED	See http://www.accesscomms.com.au/Reference/USB.htm. Note different shell outlines for type-A and type-B mini plugs (the angles are in different places).	APPROVED
		CORRECT	This pinout is correct. I used it to interface a docking station with USB today at work.	APPROVED
		CORRECT		APPROVED
		CORRECT	USED THIS GUIDE TO MAKE MY EXTERNAL USB2.0 CARD READER INTERNAL. SINCE USB PLUG WAS CRUSHED IN. GUIDE WAS PERFECT.PINOUT.RU HELPED ME REACH MY GOAL. THANKS!	APPROVED
		CORRECT	correct	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		INCORRECT	Only discrepancy I see is the colors of the Data wires. White and Green could be reversed.	APPROVED
		CORRECT	Yes, this is correct!	APPROVED
		CORRECT	Good Info	APPROVED
		CORRECT		APPROVED
		CORRECT	Very handy information. Pinout works great!!!	APPROVED
		INCORRECT		APPROVED
		CORRECT	fully correct and tested	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT	right.	APPROVED
		INCORRECT	Acording to the diagrams in this the USB-A pin 1 connector connects to pin4 of the socket which is wrong one of them has the pin numbers in the wrong order	APPROVED
		CORRECT		APPROVED
		INCORRECT	Pin x on the mini-usb is an ID-Pin, used in some USB-OTG (USB On-The-Go) designs, where a device can be both master and slave.	APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		CORRECT		APPROVED
		INCORRECT	How does USB cable transmit 480MHz data and clock ?? Hi-speed mode ?? The device should have uControler faster than 480MHz. I didnt see any device with uC faster then 10..30 MHz. This is maximally pigheaded information. It isnt authors mistake... Its an mistake from marketting - pigheaded marketting bosses ]:	APPROVED
		CORRECT		APPROVED
		CORRECT	Helped me to correctly solder the wires in an XBOX controller s cable to a USB A Male plug.	APPROVED
		CORRECT		APPROVED
		CORRECT	fine	APPROVED
2008-08-07 18:54:36	rev. 4	INCORRECT	In the logic of connection of a couple of connectors an elementary rule should be completed and it is that when you put to a cable a plug and a jack these and it introduces the plug in the jack all the threads of the cable they should form a closed loop if this doesn't happen, then there are problems. It is for it that I believe that the pinout of the connector "A" and of the mini-USB they are incorrect. In spanish (por si acaso.) En la logica de conexion de una pareja de conectores debe cumplirse una regla elemental y es que cuando usted pone a un cable un plug y un jack estos e introduce el plug en el jack todos los hilos del cable deben formar un lazo cerrado si esto no ocurre , entonces hay problemas. Es por ello que creo que el pinout del conector "A" y del mini-USB estan incorrectos.	APPROVED
2008-10-30 19:56:03	rev. 5	CORRECT		APPROVED
2008-11-11 19:01:27	rev. 5	CORRECT		APPROVED
2009-03-06 12:47:08	rev. 6	CORRECT		APPROVED
2009-03-12 21:05:32	rev. 6	CORRECT	The information seems correct... "How does USB cable transmit 480MHz data and clock" ?? :: This is achived with an interface such as ULPI, 8 data bits, and 4 control is typically. so theoretically 480/8= 70Mhz (Typical rin speed for a good ARM 7 core 2009) run speed to hit the full Bandwidth. Thats half the story... Peak is 480Mbps, that is typically not sustained for any amount of time, although you can get damn close on fast systems. At any rate it is hardly a: "mistake from marketting - pigheaded marketting bosses"	APPROVED
2009-04-15 05:46:23	rev. 6	CORRECT		APPROVED
2009-05-16 20:36:44	rev. 6	CORRECT		APPROVED
2009-06-17 18:42:34	rev. 7	CORRECT		APPROVED
2009-06-27 09:25:10	rev. 7	ERROR FIXED	4 pin USB A jack connector,( The number incorrect, A<1234> Must be A<4321>.	APPROVED
2009-07-15 11:25:50	rev. 7	CORRECT	Super	APPROVED
2009-08-25 00:05:06	rev. 7	CORRECT		APPROVED
2009-10-10 00:32:40	rev. 7	CORRECT		APPROVED
2009-10-17 02:07:06	rev. 7	CORRECT		APPROVED
2009-11-28 07:09:49	rev. 9	CORRECT		APPROVED
2009-12-25 00:30:32	rev. 9	CORRECT		APPROVED
2010-01-04 16:37:51	rev. 10	INCORRECT		APPROVED
2010-01-04 20:56:51	rev. 10	CORRECT		APPROVED
2010-01-18 09:00:26	rev. 10	CORRECT		APPROVED
2010-02-20 09:19:08	rev. 10	CORRECT		APPROVED
2010-03-06 21:18:57	rev. 10	CORRECT	Correct but MINI jack has contacts on upper side, not on lower. Numbering is correct (just compared to disassembled card reader, two right (x and 4) goes on case (GND), left (1) is thick and high-amperage (POW). MINI plug is correct.	APPROVED
2010-03-10 22:30:43	rev. 10	CORRECT		APPROVED
2010-03-21 03:46:07	rev. 10	CORRECT	It's all Correct and tested	APPROVED
2010-03-30 21:10:59	rev. 10	CORRECT		APPROVED
2010-05-07 00:42:13	rev. 10	CORRECT		APPROVED
2010-06-10 05:51:28	rev. 11	CORRECT		APPROVED
2010-06-28 19:53:04	rev. 11	INCORRECT	double mirrored pinuot thx i warn my at90usb162	APPROVED
2010-06-28 21:01:25	rev. 11	CORRECT		APPROVED
2010-07-10 00:06:43	rev. 11	CORRECT	Ain't no one more important to a broth'r than his barber!	APPROVED
2010-07-17 08:22:05	rev. 11	CORRECT	The 1st page loaded, on top of google.co.za. Thanks!! from RSA	APPROVED
2010-08-09 06:27:28	rev. 11	CORRECT		APPROVED
2010-11-04 05:34:04	rev. 13	CORRECT		APPROVED
2010-11-30 12:22:33	rev. 13	CORRECT		APPROVED
2011-12-27 14:40:53	rev. 14	CORRECT	no	APPROVED
2011-12-28 07:53:43	rev. 14	CORRECT	none that i detected	APPROVED
2011-12-29 08:39:13	rev. 14	CORRECT	works fine	APPROVED
2012-01-15 22:51:33	rev. 14	CORRECT	no	APPROVED
2012-01-16 17:52:24	rev. 14	CORRECT	Discuss differences between mini-a and mini-b connectors	APPROVED
2012-01-31 11:02:49	rev. 14	CORRECT		APPROVED
2012-02-16 08:55:55	rev. 14	INCORRECT	document states: "Shield should only be connected to Ground at the host. No device should connect Shield to Ground" Where is this defined? I can find no reference to this in the USB spec - only "The shield must be terminated to the connector plug for completed assemblies. The shield and chassis are bonded together." section 6.8 page 1.4 USB spec revision 2.0 http://www.usb.org/developers/docs/usb_20.zip otherwise great resource!	APPROVED
2012-02-16 20:55:56	rev. 14	CORRECT		APPROVED
2012-03-12 13:41:27	rev. 15	CORRECT		APPROVED
2012-03-14 10:39:10	rev. 15	CORRECT		APPROVED
2012-03-22 23:31:15	rev. 15	CORRECT		APPROVED
2012-03-28 01:15:03	rev. 15	CORRECT	Nope. all is good. helped me a bunch!	APPROVED
2012-03-30 17:38:30	rev. 15	CORRECT		APPROVED
2012-04-13 15:05:38	rev. 15	CORRECT		APPROVED
2012-04-15 06:15:48	rev. 15	CORRECT		APPROVED
2012-05-08 22:25:31	rev. 15	CORRECT		APPROVED
2012-05-10 16:23:35	rev. 15	CORRECT		APPROVED
2012-06-05 04:13:58	rev. 15	CORRECT		APPROVED
2012-06-15 23:06:16	rev. 15	CORRECT		APPROVED
2012-06-29 02:24:00	rev. 15	CORRECT		APPROVED
2012-07-14 14:10:34	rev. 15	CORRECT	No	APPROVED
2012-09-06 16:26:34	rev. 15	INCORRECT	I lost my pendrive of 8 gb by using this settings	APPROVED
2012-10-01 13:52:07	rev. 15	CORRECT		APPROVED
2012-10-11 05:31:43	rev. 17	CORRECT		APPROVED
2012-10-12 21:10:29	rev. 17	CORRECT	Correct.	APPROVED
2012-10-16 14:14:08	rev. 17	CORRECT	Good	APPROVED
2012-10-31 21:38:45	rev. 17	CORRECT		APPROVED
2012-11-11 23:25:38	rev. 18	ERROR FIXED	First off.. Thank you for doing all this work! Well.. The document is almost completely correct; there are just a few details that could probably be improved. "mouses" IS incorrect. "mice" IS correct. Ask Kensington, a company which makes keyboards, mice and trackballs. Also, it seems to me like the USB A connector is upside down, both the plug and the socket. You can determine what's up and down by looking at most USB sticks; they have a LED on the top-side. On many PCs, USB-accessories (such as keyboards), you'll find that the socket (eg. in a keyboard) has the "thin" side up; this makes the manufacturers of USB-sticks and DVB-T decoders put a LED on the side that is turned upwards when inserted into such keyboards/accessories/PCs. Forgive me if I am misleading anyone; I try my best not to. :)	APPROVED
2012-11-11 23:31:24	rev. 18	ERROR FIXED	I just stumbled over: "USB 1.0 (nowdays obsolete)". nowdays should be nowadays. It is not obsolete. Devices are still being developed, which use USB 1.0. The reason is that there are many microcontrollers, that are quite slow, but just fast enough to support USB 1.0. The Atmel AVR is a good example. Some of them are 'born' without USB, and a USB driver can be made in firmware (see obdev.at). Other examples are cheap ICs, such as the FTDI and PL2303/PL2305 chips. I do not know if FTDI are still making USB 1.0 chips, but I think PL230x is still USB 1.0... No reason to make a full-speed USB chip for a 0.5Mbit RS232-port. ;) The following is not necessary for you to read, I only provide it, in case you're curious. It's an awesome article, which I've learned a lot from: http://www.usbmadesimple.co.uk/	APPROVED
2012-11-15 17:36:42	rev. 18	CORRECT	Correct	APPROVED
2012-11-20 01:42:27	rev. 20	CORRECT	No erros found.	APPROVED
2012-12-16 22:49:34	rev. 20	CORRECT		APPROVED
2012-12-28 12:29:04	rev. 20	CORRECT		APPROVED
2013-02-26 01:36:32	rev. 20	CORRECT	All Perfect :)	APPROVED
2013-03-04 01:26:25	rev. 20	CORRECT		APPROVED
2013-03-18 13:23:27	rev. 20	CORRECT	cewe	APPROVED
2013-04-16 18:28:41	rev. 20	CORRECT		APPROVED
2013-04-28 14:51:34	rev. 20	ERROR FIXED	Not all USB cables use the same colours; I have 2 that are different from those in the table. It would help if the directions of data transfer on D+ and D- were given.	APPROVED
2013-05-15 00:14:06	rev. 20	CORRECT		APPROVED
2013-06-26 19:35:09	rev. 23	INCORRECT	No Good, some of tuff i incorrect altogether	APPROVED
2013-06-26 20:39:49	rev. 23	CORRECT		APPROVED
2013-07-17 08:16:37	rev. 23	CORRECT		APPROVED
2013-07-20 08:03:47	rev. 23	CORRECT	No	APPROVED
2013-08-10 23:38:13	rev. 23	CORRECT		APPROVED
2013-09-05 03:26:08	rev. 25	CORRECT		APPROVED
2013-09-18 01:37:30	rev. 25	CORRECT	Excellent resource	APPROVED
2013-09-18 18:32:36	rev. 25	CORRECT		APPROVED
2013-10-04 08:36:27	rev. 25	INCORRECT	http://pinouts.ru/visual/USB.jpg	APPROVED
2013-11-06 00:20:06	rev. 25	CORRECT	Correct!!!	APPROVED
2013-12-07 04:30:29	rev. 25	CORRECT		APPROVED
2013-12-15 02:18:12	rev. 25	ERROR FIXED	shit	APPROVED
2014-02-19 14:32:27	rev. 26	ERROR FIXED	i didnt know what is true	APPROVED
2014-02-23 00:40:05	rev. 26	ERROR FIXED	mini USB connectors have 5 pins instead of 4	APPROVED
2014-03-02 16:30:13	rev. 28	CORRECT		APPROVED
2014-04-29 06:12:41	rev. 28	CORRECT		APPROVED
2014-05-01 13:33:28	rev. 28	INCORRECT		APPROVED
2014-05-05 18:35:28	rev. 28	ERROR FIXED	The green and white wires are reversed on your "USB visual pinout" image.	APPROVED
2014-06-09 13:01:25	rev. 28	CORRECT		APPROVED
2014-06-16 00:50:01	rev. 28	CORRECT	No	APPROVED
2014-07-05 00:15:38	rev. 28	ERROR FIXED	On this page: http://pinouts.ru/Slots/USB_pinout.shtml The cable color on the picture doesn't match the specification. D+ and D- are reversed.	APPROVED
2014-07-21 00:49:24	rev. 28	CORRECT		APPROVED
2014-07-22 06:27:29	rev. 28	CORRECT		APPROVED
2014-08-10 09:51:28	rev. 28	CORRECT	In your webpage you mention to shortcircuit D+ and D- together for "power supply only" mode. The standard specifies a 200 Ohm resistor between D+ and D- for this mode however. Reference "battery charging specification 1.2" from USB.org	APPROVED
2014-10-10 12:52:48	rev. 29	CORRECT		APPROVED
2014-10-21 21:15:19	rev. 29	ERROR FIXED	Just a comment on the shield. Apple Lightning cables do not have a ground wire, they use the shield for return. So far every Phone I have checked ties the shield to their power ground. If the host also ties to power ground, and my PC does, then the shield becomes the main return. This surprised and confused me at 1st. Also the USB specification does not clearly state what to do with the shield, it states something along the lines of terminate in the customary way. Just thought this was interesting and passed it along. I think the phones take advantage of this when charging because it helps keep the voltage level up. I don't like the idea that the EMI shield is now carrying current but that is what happens.	APPROVED
2015-02-11 13:18:38	rev. 29	CORRECT		APPROVED
2015-04-05 01:24:25	rev. 29	CORRECT	Super	APPROVED
2015-04-06 11:28:27	rev. 29	CORRECT	nill...	APPROVED
2015-04-30 20:32:43	rev. 29	CORRECT	none	APPROVED
2015-05-21 22:09:07	rev. 29	CORRECT		APPROVED
2015-06-16 20:47:12	rev. 29	CORRECT		APPROVED
2015-08-10 13:55:11	rev. 29	CORRECT	nothing to change ^_^	APPROVED
2015-09-08 22:17:18	rev. 29	CORRECT	PERFECT THANKS	APPROVED
2015-09-17 13:05:21	rev. 29	CORRECT		APPROVED
2015-10-13 18:22:17	rev. 29	CORRECT		APPROVED
2015-10-21 01:15:38	rev. 29	ERROR FIXED	10 pin USB mainboard header is not listed (or is it listed somewhere else??)	APPROVED
2015-10-31 10:51:00	rev. 30	CORRECT		APPROVED
2015-11-29 02:23:52	rev. 30	CORRECT		APPROVED
2015-12-26 22:09:53	rev. 30	CORRECT		APPROVED
2016-01-04 09:41:04	rev. 30	CORRECT	Thank you. I used the USB-A pinout to create a battery charger for my Raspberry Pi, and it works perfectly!	APPROVED
2016-03-01 01:19:12	rev. 30	CORRECT	No.	APPROVED
2016-03-14 23:50:23	rev. 30	CORRECT		APPROVED
2016-03-25 04:28:10	rev. 30	CORRECT		APPROVED
2016-04-09 18:10:29	rev. 30	CORRECT		APPROVED
2016-04-26 20:34:16	rev. 30	CORRECT		APPROVED
2016-05-07 20:45:34	rev. 30	CORRECT		APPROVED
2016-05-22 03:14:22	rev. 30	CORRECT		APPROVED
2016-07-18 21:31:55	rev. 30	CORRECT		APPROVED
2016-08-11 01:02:08	rev. 30	CORRECT		APPROVED
2016-08-11 12:21:27	rev. 30	CORRECT		APPROVED
2016-09-09 05:57:06	rev. 30	CORRECT		APPROVED
2016-10-23 08:43:16	rev. 30	CORRECT		APPROVED
2016-10-28 05:59:33	rev. 30	CORRECT	Looks Good and Helpful, thanks Team!	APPROVED
2016-11-06 07:05:51	rev. 30	CORRECT		APPROVED
2016-11-14 18:17:09	rev. 30	CORRECT		APPROVED
2016-12-30 16:27:12	rev. 30	CORRECT	all is just fine	APPROVED
2017-01-09 01:09:45	rev. 30	CORRECT		APPROVED
2017-01-12 01:51:18	rev. 30	CORRECT		APPROVED
2017-02-15 20:32:23	rev. 30	CORRECT	The USB-pinout was correct for an older generic DELL-mouse. Mouse wire had been cut and had no USB head. A new connector was installed succesfully.	APPROVED
2017-02-28 17:36:22	rev. 30	CORRECT		APPROVED
2017-03-24 03:19:23	rev. 30	CORRECT		APPROVED
2017-04-06 22:14:08	rev. 30	CORRECT		APPROVED
2017-04-28 22:12:28	rev. 30	CORRECT		APPROVED
2017-05-21 06:31:46	rev. 30	INCORRECT	male 1234/4321 arrange error	APPROVED
2017-08-01 11:27:30	rev. 32	CORRECT	The colors maybe incorrect on various devices, but pin number is OK.	APPROVED
2017-09-28 07:11:45	rev. 32	CORRECT	NO GOOD	APPROVED
2017-11-22 22:22:40	rev. 32	CORRECT		APPROVED
2017-12-01 15:34:43	rev. 32	CORRECT		APPROVED
2018-01-08 18:36:12	rev. 32	CORRECT		APPROVED
2018-01-16 20:45:16	rev. 32	CORRECT		APPROVED
2018-02-07 00:00:11	rev. 32	CORRECT		APPROVED
2018-03-28 05:58:01	rev. 32	CORRECT		APPROVED
2018-05-14 15:44:16	rev. 37	CORRECT		APPROVED
2018-06-06 08:11:08	rev. 37	CORRECT		APPROVED
2018-06-19 17:52:29	rev. 37	CORRECT		APPROVED
2018-07-02 03:04:31	rev. 37	CORRECT		APPROVED
2018-07-20 00:06:09	rev. 37	CORRECT		APPROVED
2018-07-22 00:28:19	rev. 37	CORRECT		APPROVED
2018-09-26 02:56:52	rev. 37	CORRECT		APPROVED
2018-11-13 00:16:35	rev. 37	CORRECT		APPROVED
2018-12-23 20:09:14	rev. 37	CORRECT		APPROVED
2019-01-10 11:44:32	rev. 37	CORRECT		APPROVED
2019-03-03 01:14:37	rev. 37	CORRECT		APPROVED
2019-04-23 23:56:17	rev. 37	CORRECT	Thanks a lot for your effort and great works, this site has been a excellent source of information for all my projects.	APPROVED
2019-06-26 07:14:35	rev. 37	CORRECT	It is correct	APPROVED
2019-07-29 15:29:17	rev. 37	CORRECT		APPROVED
2019-08-03 18:27:20	rev. 37	CORRECT		APPROVED
2019-08-09 14:18:19	rev. 37	CORRECT		APPROVED
2019-08-11 19:57:06	rev. 37	CORRECT		APPROVED
2019-09-27 16:51:23	rev. 37	CORRECT		APPROVED
2019-10-10 01:35:54	rev. 37	CORRECT		APPROVED
2019-12-15 23:47:42	rev. 37	CORRECT		APPROVED
2020-01-30 03:23:00	rev. 37	CORRECT		APPROVED
2020-03-02 00:28:07	rev. 37	CORRECT		APPROVED
2020-07-01 16:53:32	rev. 37	CORRECT		APPROVED
2020-08-04 00:04:12	rev. 37	CORRECT		APPROVED
2020-12-03 16:50:01	rev. 37	CORRECT		APPROVED
2021-01-11 20:19:53	rev. 37	CORRECT		APPROVED
2021-05-14 22:59:13	rev. 37	CORRECT		APPROVED
2021-05-23 07:06:00	rev. 37	CORRECT		APPROVED
2022-06-16 03:05:00	rev. 38	CORRECT		APPROVED
2023-05-29 21:49:02	rev. 38	CORRECT	no	APPROVED
2023-08-19 21:29:00	rev. 38	CORRECT		APPROVED
2023-10-17 21:15:05	rev. 38	CORRECT		APPROVED
2024-10-15 14:15:01	rev. 38	CORRECT	NOT FOUND	APPROVED

History of users contributions

Date	Content Revision	Author	Comment
2008-07-27 19:39:10	rev. 3	Chris Angelico (Rosuav)	Just a bit of copyediting - it"s -> it's or its.
2008-10-20 21:44:11	rev. 4	Austin Young	Fixed some grammar
2008-11-27 22:23:24	rev. 6	William Andrew
2009-05-17 21:33:44	rev. 6	C. Thompson	Correction: I was looking at it wrong! The pictures are correct.
2009-05-17 21:33:57	rev. 6	C. Thompson	Observation: The male and female type 'A' connectors at the top of the page should be mirror images, right? 1 should line up with 1, 2 with 2, etc....
2009-10-19 22:11:17	rev. 8	stephen Adams	cable details required to make up your own
2010-01-03 22:32:05	rev. 9	Rob Sudberg	Added info about dedicated charging specification. There is a lot more info in the attached link.
2010-01-06 23:20:49	rev. 10		Cable colors in pinout table may mislead.
2010-02-23 23:13:02	rev. 10
2010-05-10 20:35:08	rev. 11	Robert	usb 3.0 has been released
2011-07-21 18:00:16	rev. 13		Changed the incorrect term "mice" to "mouses" - I cringe whenever I see/hear/read someone getting this wrong.
2012-03-10 21:39:40	rev. 15		minor grammer change s/specify/specifies and add a "the"
2014-03-13 14:42:47	rev. 28

Back to USB pinout

Pinouts.ru > Pinout of USB and layout of 4 pin USB A or USB B plug connector and 4 pin USB A / USB B / mini-USB jack connector

should be correct