<set_>
Outside of Halloween, this is the scariest day.
<set_>
BBB of doom!
<set_>
ha.
<set_>
I am not sure if anyone likes video but Friday the 13th is a scary day. There are many films about this scary day.
<set_>
So there. All for now!
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<set_>
Outside of that scary time I mentioned, I am building w/ crosstool-ng. It is neat so far. I cannot wait to get deeper in the book. Yocto and Buildroot are next!
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<set_>
And...Yocto has a beaglebone-yocto layer for building!
<set_>
And...it works!
<set_>
I lost my thoughts for about three hours during the build process, i.e. thinkin' it would not build correctly. It did. Yocto built correctly.
<set_>
Funny thing, I thought I read five chapters. But...it was only three chapters. Ugh. Anyway...thanks to the BBB and future endeavors, I will be building and pitching in for a bit. More books!
<set_>
Oh! And...
<set_>
People are not over hardware yet. I promise. Hardware is still a thing.
<set_>
So, I was looking at BGA sockets a while back...
<zmatt>
that's already a mistake, BGAs are soldered, not socketed
<zmatt>
BGA "sockets" are only used in very specialized applications
<set_>
I just thought it would be cool to have a socket to use for the older...
<set_>
Oh.
<set_>
So, using it for a newer chip may not prove useful?
<zmatt>
????
<set_>
I keep hearing about things to look out for currently.
<set_>
New boards with different chips...at times in the forums, please bring up ideas.
<zmatt>
the very small number of people who need a BGA socket already know they do
<set_>
Oh.
<set_>
Okay.
<set_>
No issue.
<set_>
I guess, like you say, people who need 'em know they need 'em.
<zmatt>
they're very specialized, very expensive (note how that site you linked doesn't mention any prices)
<set_>
I got a quote once from them. You are right.
<set_>
Expensive.
<set_>
But...useful!
<zmatt>
in very unusual applications, yes
<set_>
It would be neat to manage some hardware with a socket and then when the chip goes through its activities in time and dies, replacing the chip would be easy-peasey.
<set_>
@zmatt: I will research more about the "unusual applications."
<zmatt>
absolutely silly, it would be way too expensive and fragile
<set_>
The price surprised me. I was expecting a socket of BGA type would not cost much.
<set_>
Oh.
<set_>
Like w/ what the people did w/ the OSD w/ built in eMMC, a BGA Socket could alter a man's life.
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<set_>
Fragile...
<zmatt>
it really wouldn't, just replace the board
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<set_>
Fine.
<set_>
Okay.
<set_>
You must have went this route before this time?
<zmatt>
no
<set_>
Oh.
<zmatt>
I understand what these things are, and aren't, for
<set_>
Hmm...okay. Fine, so, I still need to learn about how to use them and why would I use them.
<set_>
I get it.
<zmatt>
normal socketed ICs have metal pins, which you can either solder or contact in whatever way you like, e.g. using a socket. the bottom side of BGA has solder balls, they're meant to be soldered, nothing else
<set_>
Oh. Okay.
<set_>
I understand now.
<set_>
So, what tool would be needed to handle such a job, e.g. solder to BGA to future expansion?
<zmatt>
a case where you'd use these is if you have some sort of quality control testing that needs to be performed on random samples from a batch of BGAs
<set_>
Oh.
<set_>
That makes sense. To test each, separate BGA ball for quality is the basis for having a socket.
<zmatt>
???
<zmatt>
what
<set_>
Yes.
<set_>
I paraphrased what you said!
<zmatt>
no, you turned it into nonsense
<set_>
Ha.
<set_>
Fine.
<set_>
I will calm down.
<set_>
Sheesh.
<set_>
nonsense or it being nonsensical does not make it a bogus statement.
<zmatt>
I'm talking about testing BGA *chips* ... like, you'd need to be able to put each BGA you want to test in your expensive custom-built testing rig... obviously you're not going to do that by soldering and desoldering, you use a socket
<set_>
Right. I get it. Okay.
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<set_>
Besides that idea, it is dark and Friday the 13th!
<set_>
Someone close that freezer over there...
<set_>
Look...I know the BBB is a technical marvel. I am not mistaken on this fact but setting the mood for Friday the 13th is needed at least once a year.
<set_>
Now, that it is done and the mood is set, I can go back to testing w/ this new book!
<set_>
Alone in the study.
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<set_>
Well, crosstool-ng did not boot. Probably needs a rootfs. Blah.
<set_>
I had a u-boot.img file. I figured this covered it for small systems.
<set_>
Time to read more!
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