<damex>
there is some boards that have emmc and uSD slots. i have excess of uSD cards. is there adapters available from emmc to uSD ? is that even supported?
<montjoie>
pineh64 at least
<montjoie>
and perhaps in the future it will have the embedded crypto for emmc working
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<mru>
damex: emmc is basically an sd card soldered to the pcb. what sort of adapter did you have in mind?
<KotCzarny>
mru: isnt the protol different internally?
<KotCzarny>
*protocol
<KotCzarny>
and its only controller that hides it under a common blanket
<mru>
emmc has an 8-bit data interface, but you don't have to connect all the wires
<mru>
and then there's the boot partition stuff
<mru>
which can be ignored
<mru>
the host controller is the same
<damex>
mru: some physical adapter to connect regular microSD card
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<damex>
mru: it seems to be pretty standard between multiple vendors for emmc connection though
<damex>
not sure about connector itself
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<mru>
hmm, I've never seen an emmc device that wasn't soldered
<[TheBug]>
damex: if you want an eMMC for Libre boards make sure order from them my understanding is module has custom pin out for connector so other modules from other vendor likely won't work.. I tried many modules for the H5 board trying and found later you have to have their module..
<mru>
right, because emmc is intended to be soldered to the same pcb as the soc
<mru>
there is a pretty standard IC pinout
<damex>
[TheBug]: well, i don't really want eMMC as per se. i just see an opportunity to connect a second local storage (microSD that i have in an excess) to mirror.
<damex>
well that is sad that h5 requires to have -their- module :(
<damex>
i might be better asking in their channel though
<[TheBug]>
damex: if its for Libre boards, maybe lvrp16 would have something more to say about some type of adapter etc
<willmore>
macc24, create a wiki account and make the corrections, please. it's a wiki after all.
<damex>
[TheBug]: thanks, left message at #librecomputer :)
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<karlp>
(which has connector pinout and stuff too)
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<willmore>
karlp, they went for compatability with ODROID cards, but no promise that their cards work in ODROIDS. HK has said "no support for those guys eMMC cards".
<willmore>
Little guy says "be compatable with big guy because supply". Big guy says "Our stuff works, we're not paying to support their stuff."
<karlp>
well, duh, sounds reasonable.
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<willmore>
Yep, can't argue with either viewpoint.
<willmore>
I should have gotten a libre eMMC to go with my potato
<willmore>
I've normally just used uSD cards, but I recently got an eMMC for my C4 and an N2 and I do have to admit liking them.
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<damex>
willmore: no love for netboot? :)
<willmore>
I just wish HK hadn't messed up my order and included the eMMC to uSD adapter. Because I have no way to recover a card if something goes wrong.
<willmore>
damex, not since I had a bunch of x86 (AMD Geode 300MHz) boxes on my network.
<[TheBug]>
lol I have one of those and 2x 16gb emmc for odroid c2
<willmore>
It was handy for them.
<[TheBug]>
because I bought a second thinking it would work on libre H3 H5 device and ... nope
<willmore>
I need to see how much I will have to pay ameridroid to get an adapter. Not paying $15 from SK for a $2.50 part.
<willmore>
[TheBug], wonder if it would work on an s805 based potato?
<willmore>
Fortunately, it boots from USB just fine--which is more useful.
<willmore>
Just wish there were A1 rated and reliable USB drives.
<[TheBug]>
willmore: what would be my motivation to get a C4 out of curiousity, I mean I have C2, Vim 1 and those are my amlogic boards generally speaking.. what C4 really provide that make the upgrade worth while?
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<willmore>
[TheBug], for me, it was that it is a very well rounded board--it's got 4GB, four fast processors, GigE, eMMC, USB3, plenty of GPIO (3.3v), and it's supported by HK. All for $50.
<willmore>
If the N2 didn't exist, it would fill that niche.
<[TheBug]>
so reallly your paying for what, gigabit and 2GB ram bonus and a little more CPU heft?
<willmore>
Can Allwinner parts support 4GB? I don't think I've ever seen one.
<[TheBug]>
er not gigabit, I mean USB 3
<[TheBug]>
cayse I guess c2 only usb2 if I recall
<[TheBug]>
cause*
<willmore>
[TheBug], vs the c2? yes, yt was USB2.
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<[TheBug]>
willmore: no, I think only other vendor I seen 4Gb is Rockchuip like NanoPi M4
<willmore>
Well, it's a good deal faster CPU than the C2. The graphics are a lot better--useful if you're using it as anything other than an STB. It uses less power--if that matters in your application.
<willmore>
[TheBug], that's my understanding as well. Do we know if the H6 or A64 can support > 2GB?
<willmore>
I think my biggest Allwinner board is a Pine64 w/2GB.
<[TheBug]>
Well the question may be less support and more is there any manufacturer who will put 4GB
<willmore>
Everything else is 1GB or less.
<willmore>
[TheBug], sort of chicken and the egg, no? If it can't support it, clearly no one will build it. :)
<[TheBug]>
I would have to think either H6 or H313 may have support for at least 4Gb, would have to go look though.. if not, your right
<[TheBug]>
you're*
<[TheBug]>
willmore: there look to be H6 tv boxes with 4gb memory
<willmore>
I really like the h6 based One+. But I'd love a PC3 (H6+4GB) type board.
<[TheBug]>
or not use bottom of barrel under clocked memory chip
<[TheBug]>
no..
<[TheBug]>
but.. means maybe there is some type of support?
<willmore>
I'd trust Xunlong if they said a board had 4GB. Because Icenowy would be testing it within days to make sure. :)
<[TheBug]>
"H96 MINI Allwiner H6 High Performance Processor 4GB LPDDR4 32GB ROM"
<[TheBug]>
meh
<willmore>
The N2 and C4 are the first litte SBCs that I've seen which may have a chance at being a low end PC replacement.
<willmore>
And that's mostly just that they have 4GB and good graphics.
<willmore>
Though that's not my use case, so I may not be a good judge.
<[TheBug]>
ohh boy, I am gonna say it, even though probably people would complain -- but I would say RPi 4 even with just 2GB of ram overclocked at 2Ghz can actually meet that expectation as well -- using it currently as a thin client for some wbe browisng and RDP connections to my virtual servers
<[TheBug]>
web*
<damex>
is hardkernel considered decent? i have had their exynos boards before - they didn't survive long enough and support was not so great
<[TheBug]>
sounds like you needed better cooling ;p
<damex>
i wonder why everyone ignores poe on such boards. not even providing it as an option. i really hoped that it would become a trend after rpi3b+ introduce it and now we're 2+ years after it becomes available and almost no one care for poe
<[TheBug]>
add to BOM cost and not everyone will use it or want it
<[TheBug]>
additional point of failure
<damex>
they could opt for same design as rpi use to utilize same POE hats (leaves designing board that will use that)
<damex>
but it is also +1 thing for marketing :)
<willmore>
damex, they've transitioned into a longer term support company.
<willmore>
I've never used PoE, but the four pin header seems like a no brainer. If it could double as a battery backup header, I'd be all in.
<willmore>
[TheBug], I've not tried the pi4 in that role. I have a 2GB model, so I guess I could try it.
<damex>
willmore: poe is just a huge win when you don't want to hoard a truck full of different power supplies :)
<willmore>
damex, my boards are mostly centralized, so one big supply split out to them works for me. PoE is very expensive per port, but would make sense if you have boards spread around a large area and already had ethernet run to them--which is opposite the current trend of using wireless for more and more.
<willmore>
I prefer wired networks whenever possible, though.
<damex>
willmore: so normally you have to get a managed switch. why not add like 50-100$ and get more advanced version with power management (much cheaper then getting managed pdu)
<willmore>
If you are already spending the money to get a managed one, sure. But My 24 port dumb switch didn't cost me $100 to start with. :)