James Kingdon

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About James Kingdon

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  1. Odroid XU4 - Ubuntu Xenial doesn't run on eMMC

    Kudos to @tkaiser for providing so much quality info here.
  2. Pinebook install to eMMC?

    Sorry, I've been snowed with work for the last few weeks, with no end in sight, so I've not had time to do more on the mmc driver.
  3. Cheap HDMI monitor -1

    Ok, I grabbed the edid info, but it's clearly bogus, or at least reflects what the chip can do rather than the lcd. Sadly, none of the listed modes are a good match for the lcd. Section "Monitor" Identifier "LONTIUM" ModelName "LONTIUM" VendorName "LTM" # Monitor Manufactured week 46 of 2010 # EDID version 1.3 # Digital Display DisplaySize 890 500 Gamma 2.20 Option "DPMS" "false" Horizsync 26-81 VertRefresh 24-75 # Maximum pixel clock is 230MHz #Not giving standard mode: 1152x864, 60Hz #Not giving standard mode: 1280x800, 60Hz #Not giving standard mode: 1280x960, 60Hz #Not giving standard mode: 1280x1024, 60Hz #Not giving standard mode: 1440x900, 60Hz #Not giving standard mode: 1400x1050, 60Hz #Not giving standard mode: 1600x1200, 60Hz #Not giving standard mode: 1680x1050, 60Hz #Extension block found. Parsing... Modeline "Mode 10" 79.50 1280 1344 1472 1664 768 771 778 798 -hsync +vsync Modeline "Mode 0" 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync Modeline "Mode 1" 85.50 1360 1424 1536 1792 768 771 777 795 +hsync +vsync Modeline "Mode 2" 148.500 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync Modeline "Mode 3" 148.500 1920 2448 2492 2640 1080 1084 1089 1125 +hsync +vsync Modeline "Mode 4" 74.250 1280 1390 1420 1650 720 725 730 750 +hsync +vsync Modeline "Mode 5" 74.250 1280 1720 1760 1980 720 725 730 750 +hsync +vsync Modeline "Mode 6" 27.027 720 736 798 858 480 489 495 525 -hsync -vsync Modeline "Mode 7" 27.000 720 732 796 864 576 581 586 625 -hsync -vsync Modeline "Mode 8" 27.027 720 736 798 858 480 489 495 525 -hsync -vsync Modeline "Mode 9" 27.000 720 732 796 864 576 581 586 625 -hsync -vsync Modeline "Mode 11" 85.50 1366 1436 1579 1792 768 771 774 798 +hsync +vsync Modeline "Mode 12" 100.00 1600 1648 1680 1780 900 903 909 936 +hsync +vsync Modeline "Mode 13" 74.25 1280 1390 1430 1650 720 725 730 746 +hsync +vsync Option "PreferredMode" "Mode 10" EndSection
  4. Cheap HDMI monitor -1

    How does a signal board like this know what resolution the LCD is, can it query the display or does that get flashed into the driver chip as a config? I will check what the edid data looks like (as soon as I figure out how).
  5. Cheap HDMI monitor -1

    It arrived yesterday, having taken about two weeks. That's far quicker than previous orders from OrangePi which have taken between two and three months. I hope that's a change that sticks! I hooked the LCD up to my laptop for a quick test and immediately ran into the oddball resolution issue - the laptop doesn't have a setting for 1024x600. The LCD will have a go at sinking to pretty much any signal you send it, but some are more readable than others. 800x600 worked well enough to easily read text in a terminal and play youtube videos. The screen looks pretty good for the price, nice and bright, good colours, but with a pretty narrow viewing angle. As long as I can get a usable resolution out of one of the SBCs it should make a nice status monitor.
  6. Interesting that the DT says to use vcc-lpddr for vqmmc. lpddr is either 1.8 or 1.2v so would likely work, if it is actually connected to the card
  7. I just searched back through the irc history, Ayufan said he had hs200 running on sopine, but only up to 100MHz. That suggests that 1.8v is possible for Vccq, so perhaps the schematic is incorrect or out of date. Or maybe the mmc module is just running out of spec (which doesn't actually say what's supposed to happen if you try and use hs200 at the wrong voltage). Ayufan's update is from 15th October at 11:34 here: http://irc.pine64.uk/?date=2017-10-15T00:22:00.000Z Probably worth trying his latest build and see if it works for you. Sadly the pinebook is the only pine I have
  8. Oh dear, that would be unfortunate. You need 1.8V Vccq for HS200 and above. HS 50MHz with DDR will get about 80MB/s assuming an 8bit bus, but that's at least 50% down on HS200 with the same module. It would explain why Ayufan was having trouble getting the sopine running at the same speed as his pinebook.
  9. Missing nanopi m3

    Hmm, I have all 10 of my sbcs running off similar Chinese dc-dc converters. The higher powered boards have a V meter permanently attached to monitor the supply and are rock solid. They are more stable if you keep the input supply within a reasonable factor of the output voltage - I provide 12V on the high side (from another buck converter) rather than feeding the raw 18-20V from the laptop PSUs that I use.
  10. Missing nanopi m3

    Viking, how did you get hold of an m3? That's my favorite sbc at the moment, and I was very disappointed they stopped selling it. Now if someone would put that soc on a board with more RAM and an emmc socket I'd be very happy indeed!
  11. Pinebook install to eMMC?

    Ayufan has released a build with support for hs200 at 150 MHz, see https://forum.pine64.org/showthread.php?tid=5067&pid=32836#pid32836
  12. Cheap HDMI monitor -1

    Sounds like an interesting project, but I suspect it would be a lot easier to buy a combined screeen and touch panel rather than try and put something together yourself.
  13. Cheap HDMI monitor -1

    Sorry, my bad - I was approximating
  14. Cheap HDMI monitor -1

    Hi, I noticed OrangePi have started selling a 7" lcd with an hdmi adapter. It's only 1000x600 (which might be an awkward resolution to get working with some SBCs) but I thought I'd give one a try. This might fit into my farm build as a dedicated status monitor or something It's 22 usd plus shipping: https://www.aliexpress.com/item/7inch-TFT-LCD-Screen-for-Orange-Pi-H3-chip-Boards/32831758014.html
  15. Pinebook install to eMMC?

    Since 100MHz worked in hs200 mode, and porting the dynamic tuning code looks like a fair bit of work, I decided to try 150MHz and see what happens. Result is it seems to be stable (I'm typing on the pinebook in that mode now), and it gave a nice boost to the iozone results: Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random kB reclen write rewrite read reread read write 102400 4 6891 7237 11490 11482 6614 5651 102400 16 19316 19884 49466 48654 25507 17839 102400 512 67821 58035 126793 127178 114462 47874 102400 1024 67095 57421 127057 127459 119481 46386 102400 16384 68019 58935 125989 126261 126379 54282 I'm going to leave the pinebook with this as the default setup and see how it shakes out. In the meantime, I hope to make some progress on dynamic tuning and the long march towards hs400 Maybe I'm too easily pleased, but 120+ MB/s read blows my mind for a $30 module (and the write speed isn't exactly bad either).