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SRM: initial 0.0.4 draft

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This commit is contained in:
Jason Kridner 2022-06-13 19:30:55 -04:00
parent dc693ebdb2
commit 6cf2c2ee76
4 changed files with 23 additions and 3 deletions

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doc/SRM/chapter-02.adoc
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@ -18,6 +18,7 @@ This table seeks to keep track of major revision cycles in the documentation. Mo
|0.0.1 |AI-64 initial prototype |September 2021 |James Anderson
|0.0.2 |AI-64 final prototype |December 2021 |James Anderson
|0.0.3 |AI-64 initial production release |June 9, 2022 |Deepak Khatri and Jason Kridner
|0.0.4 |AI-64 DFM update |June 13, 2022 |Jason Kridner and Deepak Khatri
|=======================================================================
[[board-changes]]
@ -30,5 +31,24 @@ Also check the https://git.beagleboard.org/beagleboard/beaglebone-ai-64/-/issues
[[rev-B]]
==== Rev B
We are starting with revision B based on this being an update to the BeagleBone Black AI. However, because this board ended up being so different, we've decided to name it BeagleBone AI-64, rather than simply a new revision. This refers to the Seeed release on 21 Dec 2021 of "BeagleBone AI-64_SCH_Rev B_211221". This is the initial production release.
We are starting with revision B based on this being an update to the BeagleBone AI. However, because this board ended up being so different, we've decided to name it BeagleBone AI-64, rather than simply a new revision. This refers to the Seeed release on 21 Dec 2021 of "BeagleBone AI-64_SCH_Rev B_211221". This is the initial production release.
[[rev-B1]]
==== Rev B1
This revision was made based on design-for-manufacturing updates after the initial production pilot run.
This refers to the Seeed release on 02 Jun 2022 of "BeagleBone AI-64_SCH_Rev B1_220602".
The changes are:
* MH4, MH5, MH6, MH7: Changed the hole diameter from 4.5MM to 4.4MM.
* R0201, C0201: Changed the distance between two pads from 0.28MM to 0.23MM.
* Type C Connector J5: Changed the diameter of location hole from 0.65MM to 0.75MM.
* Wave SoIdering: Moved D43 D44 away from J5; Moved C440 away from J7.
* PCB Revision: Added "B1" on the PCB bottom for internal record.
image::images/ch02/revb1.png[title="Rev B1 markings"]
image::images/ch02/revb-revb1-change.png[title="Changes between rev B and rev B1"]

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doc/SRM/colophon.adoc
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[colophon]
== *Revision 0.0.3*
== *Revision 0.0.4*
*Last PDF conversion:* June 11^th^, 2022
*Last PDF conversion:* June 13^th^, 2022
*Maintaining editor:* mailto:lorforlinux@beagleboard.org[Deepak Khatri]

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