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Minor tweaks to FAQ

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Marcel Stör 2016-01-16 15:26:19 +01:00
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@ -2,7 +2,7 @@
**# # # Work in Progress # # #**
*I have started a thread on the ESP8266 forum, [Discussions on my NodeMCU Lua unofficial FAQ](http://www.esp8266.com/viewtopic.php?f=24&t=3311&p=18770). Please use this to discuss any issues that you have with this FAQ; any areas where you feel that the explanation is unclear or needs further expansion; or any or Qs that you feel need answering and would help others if they were included here. Thank-you. Terry Ellison*
*I have started a thread on the ESP8266 forum, [Discussions on my NodeMCU Lua unofficial FAQ](http://www.esp8266.com/viewtopic.php?f=24&t=3311&p=18770). Please use this to discuss any issues that you have with this FAQ; any areas where you feel that the explanation is unclear or needs further expansion; or any or Qs that you feel need answering and would help others if they were included here. Thank-you. [Terry Ellison](https://github.com/TerryE)*
## What is this FAQ for?
@ -342,10 +342,11 @@ Of course you should still use functions to structure your code and encapsulate
### Why file writes fail all the time on DEVKIT V1.0?
* NodeMCU DEVKIT V1.0 uses ESP12-E-DIO(ESP-12-D) module. This module runs the Flash memory in [Dual IO SPI](#whats-the-different-between-dio-and-qio-mode) (DIO) mode. This firmware will not be correctly loaded if you uses old flashtool version, and the filesystem will not work if you used a pre 0.9.6 firmware version (<0.9.5) or old. The easiest way to resolve this problem s update all the firmware and flash tool to current version.
- Use the latest [esptool.py](https://github.com/themadinventor/esptool) with DIO support and command option to flash firmware, or
- Use the latest [NodeMCU flasher](https://github.com/NodeMCU/NodeMCU-flasher) with default option. (You must select the `restore to default` option in advanced menu tab), or
- Use the latest Espressif's flash tool -- see [this Espressif forum topic](http://bbs.espressif.com/viewtopic.php?f=5&t=433) (without auto download support). Use DIO mode and 32M flash size option, and flash latest firmware to 0x00000. Before flashing firmware, remember to hold FLASH button, and press RST button once. Note that the new NodeMCU our firmware download tool, when released, will be capable of flashing firmware automatically without any button presses.
NodeMCU DEVKIT V1.0 uses ESP12-E-DIO(ESP-12-D) module. This module runs the Flash memory in [Dual IO SPI](#whats-the-different-between-dio-and-qio-mode) (DIO) mode. This firmware will not be correctly loaded if you uses old flashtool version, and the filesystem will not work if you used a pre 0.9.6 firmware version (<0.9.5) or old. The easiest way to resolve this problem s update all the firmware and flash tool to current version.
- Use the latest [esptool.py](https://github.com/themadinventor/esptool) with DIO support and command option to flash firmware, or
- Use the latest [NodeMCU flasher](https://github.com/NodeMCU/NodeMCU-flasher) with default option. (You must select the `restore to default` option in advanced menu tab), or
- Use the latest Espressif's flash tool -- see [this Espressif forum topic](http://bbs.espressif.com/viewtopic.php?f=5&t=433) (without auto download support). Use DIO mode and 32M flash size option, and flash latest firmware to 0x00000. Before flashing firmware, remember to hold FLASH button, and press RST button once. Note that the new NodeMCU our firmware download tool, when released, will be capable of flashing firmware automatically without any button presses.
### What's the different between DIO and QIO mode?
<TODO>