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6
Seeedstudio ReComputer RK3576 - MiniPCIE
Totally agree, too little or niche market! I 'm thinking about soldering simcard directly on these cheap minipci lte modem and use a regular usb2.0 cable, what a joke! -
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Seeedstudio ReComputer RK3576 - MiniPCIE
OK, I did not look into further details, I don't have any of this HW. I only have same experience 10 years ago, 4G module works in USB adapter, did not get it to work in mPCIE slot. I am not sure if a DeviceTree patch/change can fix it, don't know enough of that description principles. As indicated, SeeedStudio can read this, it is their HW, maybe they should fix it for you. -
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Seeedstudio ReComputer RK3576 - MiniPCIE
Thanks for your input, I never really use gpio lib and i don't know if gpio over i2c is userland playable or there are reserved to the kernel. The fact on the schematic is VSYS_3V3_EXP is the first rail powering up because it's supply I2Cs bus and the GPIO over I2C to switch ON or reseting thing. VCC5V0_DEVICE_S0 For FAN & HDMI & USB & TYPE-C, USB HUB (Total: 3A) switch on by RK806S over I2C (PMIC_PWR_CTRL2) VSYS_3V3_EXP For CSI & DSI & RPi 40Pin (Total: 4A) <======== I2Cs GPIO (LTE RESET), Minipcie is supplied here! , switch on by RK3576 gpio (VSYS_3V3_EXP_EN) VCC3V3_PCIE For PCIE-M.2 (nvme), switch on by RK3576 gpio (PCIE_PWREN_H_GPIO0B5) The design flaw is here : you need I2C up to put LTE modem (already on by the same I2C power supply) in reset state before switch on USB PHY, then release LTE_RESET. Why they didn't put LTE modem supply, triggering a 3.3vcc mosfet from USB 5V rail ready signal after usb init like normal usb device, too easy? -
5
How to install correct linux-headers?
One thing that helped me in a similar situation was checking that the running kernel version matched the headers exactly with uname -r. A mismatch there can be really confusing. If you've recently upgraded the kernel, a reboot before installing the headers is worth trying too. -
340
Armbian for H313 X96-Q LPDDR3 TV-Box
Hey guys, I just wanted some help from you regarding my X96Q. It is a 1+8GB Model with PCB Revision V1.1. It has a H313 processor but sunxi-fel reports H616. A few weeks ago I repaired the USB port of this box and I was successful in it and everything worked perfectly after that(the device booted up to android and worked perfectly) but Then I started to play with that Hidden button in AV port and I randomly clicked it and I thought it would be harmless but after that the device stuck in Red LED and didn't booted anything(possibly an EMMC Corruption). I tried Phoneix Suit first but it stuck on ram init. Then I brought a CP2102 Adapter to read the serial logs, and it turned out to be a Dram calibration errors where: Boot0 starts > Initializes The Emmc, the Board and the CPU -> Then the PMU(reported as AXP806 but physically AXP305) sets ram voltage to 1500mV -> Then it tries to Dram training -> fails and throws [...] "Read calibration error" multiple times —> keeps retrying until it gives up with "[...] Restraining final error." I investigated further and found that my emmc chip's critical sectors are corrupted. I used sunxi-fel to read the emmc and found that it fails to read after 16MB mark, means emmc got corrupted when I repeatedly pressed the AV port button. Now I tried a Armbian via sd card and it says: [...] Your Current DRAM Config isnt supported... Retrying... And keeps doing In a endless retry loop. Same for Miniarch, Armbian and many other builds... Any idea what's the problem with my box?
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