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PCIE (PCI Express) 1x, 4x, 8x, 16x bus specification users reports and reviews

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There are 27 approved reports in our database

Date Content
User opinion Comment Approved by moderator?
CORRECTwhere is the chart?APPROVED
2009-04-26 00:12:34rev. 2CORRECTAPPROVED
2010-08-20 15:57:36rev. 3CORRECTAPPROVED
2010-10-07 22:20:22rev. 3ERROR FIXEDPRSNT#1 is connected to GND on motherboard. Add on card need to have PRSNT#1 connected to one of PRSNT#2 depending what type of connector is in use. Explanation for PRSNT#1 is incorrect. EdinAPPROVED
2011-10-22 22:27:54rev. 4CORRECTAPPROVED
2012-01-03 01:39:43rev. 4INCORRECTB3 for the PCIe connector definition should be +12V. It is reserved as shown for the x4 and x8 lengths. As a design note, x4 boards and x8 boards are frequently used in x16 slots so adding the "extra +12V" connection can be a good thing.APPROVED
2012-11-19 12:24:47rev. 4CORRECTAPPROVED
2013-03-07 02:48:07rev. 4CORRECTAPPROVED
2016-07-05 00:34:55rev. 6CORRECTAPPROVED
2016-10-31 22:42:00rev. 6CORRECTAPPROVED
2016-11-10 22:52:01rev. 6CORRECTAPPROVED
2017-03-01 16:50:02rev. 6CORRECTAPPROVED
2017-03-02 08:00:38rev. 6CORRECTAPPROVED
2018-01-12 03:43:52rev. 7CORRECTAPPROVED
2018-06-23 00:57:05rev. 15CORRECTAPPROVED
2018-07-15 20:53:50rev. 15CORRECTAPPROVED
2018-11-08 05:59:26rev. 15INCORRECTPWRGD - absents PERST# Fundamental ResetAPPROVED
2020-04-22 18:28:55rev. 16CORRECTAPPROVED
2020-05-15 16:57:43rev. 16ERROR FIXEDPin A11 should be PERST# (PCI-Express Reset signal). It is never used as a Power Good signal.APPROVED
2020-07-16 21:46:45rev. 16CORRECTAPPROVED
2020-10-28 13:57:26rev. 17CORRECTAPPROVED
2022-06-11 15:56:06rev. 17CORRECTAPPROVED
2023-01-24 08:31:51rev. 17CORRECTAPPROVED
2023-01-29 02:34:46rev. 17CORRECTAPPROVED
2023-08-27 13:04:48rev. 17CORRECTAPPROVED

History of users contributions

Date Content
Author Comment
2009-06-20 12:39:01rev. 3
2011-01-21 21:54:46rev. 4David Bakerpin 28 on 4x and 8x pinouts should read HSOn(3) vicd HSOn(0) also corrected "need" to "needs" in last sentence.
2011-01-21 21:55:04rev. 4David Bakerpcie 4x pinout pin 28 should read HSOn(3) vice HSOn(0)
2015-04-15 16:05:19rev. 6Jeffrey WeberPin 3 on the connector is not Reserved, it is used for +12V power
2020-03-29 18:08:56rev. 16GSAdded PERST# to PWRGD (seen on mini-pcie)

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should be correct