<jbe>
mfny: yeah, looks the same, I got it off aliexpress though. those pics show no thermal pads however
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<jbe>
which I guess may be just as well, probably better to apply them yourself anyway
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<Tenkawa>
I prefer thermal paste personally although it is a bit messier
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<Tenkawa>
I buy it at my local shop.. allows much more refined positioning
<Tenkawa>
(and of course to cover all those areas that square/rectangular pads just can't quite reach)
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<cousteau>
Hi!
<cousteau>
Is V ratified?
<cousteau>
Or only parts of it?
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<mfny>
jbe: ive ordered some pads, so hoping there ant any pre applied to the cooler as the ones on your cooler are in the wrong place it seems
<mfny>
Tenkawa: normaly i use thermal paste, this is my first time using pads,are they sticky on one side usualy or what to mount them or are they just compressed to fit ?
<mfny>
jbe: from a reply to my post in the jupiter cooling thread it seems the memory may need a thicker pad then the CPU btw
<kepstin>
cousteau: the full V extension version 1.0 is ratified.
<kepstin>
mfny: yeah, the m1 package is a lot taller than the ram chip, and the heatsink is off-center.
<kepstin>
thermal pads compress a bit, but they're not intended to be significantly compressed.
<mfny>
kepstin: couldnt i just stack the pads i have on the way to reach the right height ?(they are 1mm thick pads)
<mfny>
or would i have to get an exact height pad or close ..
<kepstin>
that's probably fine, i'd bet anything around 1.5-2mm would be close enough.
<mfny>
kepstin: ill just do the bodge of stacking them then, i bought a pack of 10 so have plenty
<kepstin>
(kind of annoyed at the rtc battery size; i have lots of cr2032 cells, and they had space on the board for a bigger holder...)
<kepstin>
has anyone else run into alignment issues with the pcie slot? i've used this case with a number of pc board that have all worked fine, but with the jupter i can't get any cards to fit; the slot seems like it's about 1mm too close to the back edge of the board.
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<mfny>
kepstin: my Jupiter is on the way, should have it next week, also have a case,psu etc on the way to
<kepstin>
yes, the spacemit x60 cores in the k1/m1 soc support rvv 1.0
<unlord>
OK, so these are the same cores I already have?
<unlord>
I am looking for more RVV diversity for my tests
<kepstin>
i don't know what you have, so i couldn't say? there's not a whole lot of chips around with rvv 1.0 right now :/
<unlord>
I have a spacemit and a canaan
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<mfny>
so if the cooler i get already has thermal pad on it but in the wrong place how would i deal with that ? remove the existing pad, or just place new pad over existing in the right place or what ?
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<cousteau>
kepstin: thanks!
* cousteau
is looking for documentation on the RoCC interface - all references seem to point to a document from one C. Yarp that seems to have vanished from the face of the Internet
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<Tenkawa>
mps: well I got the VF2 to boot FreeBSD but it has quite a lot of drivers not working yet...
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<mps>
Tenkawa: oh, bad news. anyway thank you for info
<Tenkawa>
Looks like OpenBSD has much better driver support though
<Tenkawa>
I think I might try it next
<Tenkawa>
it actually has a nvme native driver already
<mps>
nice to hear. I don't have enough free time to try. (a lot of $day_job tasks)
<jrtc27>
nvme isn't the problem, it's just the pci controller
<jrtc27>
nvme comes for free once you have pci
<jrtc27>
(well, assuming you already have a generic nvme driver, which all(?) the bsds do)
<jrtc27>
I'd love to see someone port the missing drivers from openbsd for things like that and usb
<Tenkawa>
jrtc27: true... but the FreeBSD pcie drivers are ab absolute no show for RV (at least on the JH7110) atm
<mps>
I never tried to install FreeBSD
<Tenkawa>
They work great on the BCM and RK3588 though
<jrtc27>
yes, there's no driver for the vf2's controller (though as usual it's some vendor IP with board-specific glue, so we might have most of the bits there, just missing the glue driver?)
<jrtc27>
and work fine on the unmatched too (or with qemu's generic controller), so riscv pcie is fine, it's just the board-specific side
<Tenkawa>
Got a PI5 sitting here and a Rock5 and they are humming nicely both.
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<conchuod>
jrtc27: there may not be the generic bits either, In linux the only thing sharing the ip /appears/ to be polarfire.
<jrtc27>
ah right this is that one, yeah
<jrtc27>
then probably we need to import more things from openbsd
<jrtc27>
though IIRC isn't it just an ECAM with some special bits to frob?
<conchuod>
tbh, I don't know. The one on polarfire has a bunch of weird shit going on cos of design "choices"
<jrtc27>
"it's just software, they can adapt"? :)
<conchuod>
Something like that.
<conchuod>
And it has been a huge problem.
<conchuod>
The interrupt handling is kinda funky too, IIRC because there's no msi controller. I don't quite know the overlap between the two SoCs. Polarfire's version of the IP is far older and more limited than what starfive have.
<conchuod>
it's plda ip. Or at least, it is plda ip now.
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<la_mettrie>
Tenkawa: i've been working with that pcie driver but without previous knowledge on that tech, the progress has been slow. maybe i should have tried to follow openbsd's implementation more closely
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