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FAQ:fitlet2

650 bytes added, 12:04, 23 June 2019
==Hardware==
===How to control fitlet2 front LEDsin Linux?===
==== <ins>For Linux</ins> ====See [[Application note - fitlet2 has 2 controlling front LEDs, LED1 and LED2. Each of them has GREEN and YELLOW parts that can be controlled separately. In on Linux kernel there are 4 related GPIOs: GPIO435, GPIO436, GPIO437, GPIO438.*GPIO435 - LED1 GREEN*GPIO436 - LED1 YELLOW*GPIO437 - LED2 GREEN*GPIO438 - LED2 YELLOW To control the GPIOs need to login as root (root password required): $ su Password: To control for example LED1 GREEN part: $ echo 435 > /sys/class/gpio/export $ echo out > /sys/class/gpio/gpio435/direction $ echo 1 > /sys/class/gpio/gpio435/value # LED1 should be GREEN now $ echo 0 > /sys/class/gpio/gpio435/value # LED1 should be OFF now $ echo 435 > /sys/class/gpio/unexport The GPIO framework and GPIO sysfs interface are documented inhttps://www.kernel.org/doc/Documentation/gpio/gpio.txt]]
===How do you I configure my cellular modem on Linux?===
The fitlet2 model can work at a wide DC input voltage range of 9V-20V.
<br>This range can also be extended to 9V-36V if the model is configured with the P36 option.
 
=== What is the fitlet2's RTC backup battery accuracy?===
 
* RTC accuracy – less than 1 sec per day
 
=== How can I get S/PDIF to work on my fitlet2?===
The fitlet2 3.5 Audio jack has a 4th pin that outputs digital audio.<br>
In order for this to work, there's a need for a 4-pole 3.5mm to RCA cable.<br>
This cable is sold in the set of cables package for the fitlet2 - [https://fit-iot.com/web/product/accenc-adflt2/ fitlet2 set of cables]
==Software==
=== FreeBSD is not working, what can How Do I doEnable Wake-On-Lan (WOL)?===
There are necessary configurations that should be done in order *Enter BIOS menu by hitting '''[ESC]''' on startup*Navigate to have FreeBSD work : Chipset Tab --> South Cluster Configuration --> Miscellaneous Configuration * Wake on fitlet2Lan should be there '''[Disabled]''' by default
BIOS settings changes:*Enable Wake on Lan and Save&Exit by pressing '''[F4]'''
Press [Del] during boot to enter BIOS settings:=== FreeBSD is not working, what can I do?===
Set Chipset -> OS Selection There are necessary configuration changes that should be made in order to [Intel Linux] Set Chipset -have FreeBSD work on fitlet2.<br> SCC Configuration -> SCC SD Card Support (D27: F0) to [Disable] Set Chipset -> SCC Configuration -> SCC eMMC Support (D28: F0) to Press '''[DisableDel] Set Chipset -> SCC Configuration -> SCC UFS Support (D29: F0) ''' during boot to enter BIOS settings and set the following to [Disable] Set Chipset -> SCC Configuration -> SCC SDIO Support (D30: F0) to [Disable]
Chipset -> South Cluster Configuration -> SCC Configuration -> SCC SD Card Support '''[Disabled]''' Chipset -> South Cluster Configuration -> SCC Configuration -> SCC eMMC Support '''[Disabled]''' Chipset -> South Cluster Configuration -> SCC Configuration -> SCC SDIO Support '''[Disabled]''' ===How to identify the COM port on Linux?===
Please refer to the link- [[Linux Mint: Serial port on fitlet2]]
 
===fitlet2 BIOS Legacy boot doesn't work, how to enable?===
 
Legacy support is disabled by default in the BIOS menu.<br>
To enable it, please, set the following BIOS menu settings:
 
1. Advanced -> CSM Configuration -> CSM Support : '''[Enabled]'''
2. Advanced -> CSM Configuration -> Boot option filter : '''[Legacy only]'''
3. Advanced -> CSM Configuration -> Network : '''[Legacy]'''
4. Advanced -> CSM Configuration -> Storage : '''[Legacy]'''
5. Advanced -> CSM Configuration -> Video : '''[Legacy]'''
6. Advanced -> CSM Configuration -> Other PCI devices : '''[Legacy]'''
7. Boot -> Boot Mode Selection : '''[Legacy]'''
8. Press the '''F4''' key to '''Save & Exit'''
[[category:fitlet2]]
[[category:FAQ]]
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