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| NVMe power issue? |
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Posted by: tsys - 11-21-2019, 07:49 PM - Forum: Pinebook Pro Hardware and Accessories
- Replies (17)
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Hi all,
I've just experienced what appears to be a power issue with the VCC3V3_SSD and probably also the VCC3V3_SYS rail. When my battery is below 40 % communication with the NVMe SSD fails on bootup. This manifests itself in either kernel warnings on bootup and a kernel panic as soon as i enter lspci or a kernel panic immediately on bootup.
My current theory is that during probing of partitions on the NVMe SSD the SSD enters a high power mode and U3 can't keep VCC3V3_SYS at 3.3 V.
The SSD I'm using is a Corsair MP510. Its supported power states are
Code: St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 6.80W - - 0 0 0 0 0 0
1 + 5.74W - - 1 1 1 1 0 0
2 + 5.21W - - 2 2 2 2 0 0
3 - 0.0490W - - 3 3 3 3 2000 2000
4 - 0.0018W - - 4 4 4 4 25000 25000
I'm in general somewhat puzzled about how the Pinebook Pro is supposed to stay operational when the battery is low. The discharge cutoff voltage of the battery is specified as 2.75 V. However U3 is just a step-down regulator. Thus it won't be able to maintain VCC3V3_SYS at 3.3 V once the battery discharges below 3.3 V.
Has anybody else experienced anything similar yet?
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| Wi-Fi usb token. I triestini wihubuntu |
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Posted by: acwild - 11-21-2019, 03:40 PM - Forum: General Discussion on ROCKPRO64
- No Replies
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since the LAN of my card almost immediately started to throw a tantrum. I thought of connecting a usb wifi with rtl-8192eu chipset. in any way I try to install the drivers I get compilation errors and I ask if there is a procedure to follow in order to install this damned usb token to resume using the card. Thank you all for your understanding
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| Pinebook Pro replacement keyboards/parts |
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Posted by: bcnaz - 11-21-2019, 01:33 PM - Forum: Pinebook Pro Hardware and Accessories
- Replies (12)
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*
Just wondering 'when' we will be able to purchase replacement keyboards for our Pinebook Pro's ?
As for substituting an ISO for an ANSI or a ANSI for an ISO, or simply because something broke on your original keyboard ?
Also perhaps replacement or upgrade motherboards as the PBP matures.....
What if you happen to damage your screen ?
I am hoping to see some replacement parts on the store website.
Thanks !
(Maybe some cool accessories like skins or cases as well)
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| Power consumption math |
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Posted by: Mentaluproar - 11-21-2019, 11:02 AM - Forum: General Discussion on ROCKPRO64
- No Replies
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I’m retooling my rockpro64 NAS and considering things I want to do to it eventually that I couldn’t pull off this time around. I’m trying to plan for increased power draw since as is I cannot boot from usb3, even with a powered usb hub. Only USB2 boot works and this has supposedly been traced to the rockpro64 not getting enough power.
If I were to bump this to 4 hard drives and a Marvell sata card (those are stable now, right?) what would the power draw be at peak with gpu?
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| We'll be at FOSDEM 2020 |
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Posted by: Luke - 11-21-2019, 06:42 AM - Forum: News
- Replies (6)
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Hi all,
We'll be at FOSDEM 2020.
On Sunday (Feb 2nd) we'll have a stall - you are welcome to come by or even to co-run it. In the previous years we were in building AW.
Regarding Saturday: I'm not the sort of person who fights their way into the different talks - I'm ok to watch what I'm interested in online a couple of months later. So, for those who want to walk around, stalk KDE and Manjaro people, etc., I'll be around if you just want to hang-out.
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| Nextcloudpi SD card fills up. |
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Posted by: default_user8 - 11-20-2019, 11:13 PM - Forum: Linux on Rock64
- Replies (13)
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This is the second time i've had this issue running nextcloudpi on my rock64. It runs fine for about a month and then my SD card shows that it's full and I have no room left. This prevents my nextcloud server from running correctly and I can't connect.
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