Changes
/* fitlet2 running Linux does not have a working audio out/SPDIF */
*For BIOS version FLT2.0.40.01.00 and above.
*In cases BIOS version is older , you may also try to reset BIOS blindly - Please expand the below:
<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
Please disconnect the power core and perform the following:
</div>
Reset BIOS default following the following procedure for [[SBC Product Line: fitlet2-HBPN| SBC revisions 1.1]]:
<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
#Unplug power cable from the fitlet2
#Remove the 4x Phillips Chassis screws
#Remove bottom and top cover
#Remove the RAM stick
#Plug in power cable (should turn on automatically), and Wait ~10 seconds
#Unplug power cable
#Assemble back the RAM stick
#Carefully unplug the RTC Battery from the 2pin connector
#Plug power cable (should turn on automatically)
#Shutdown the PC
#Unplug the power cable
#Plug the RTC Battery back in
#Plug Power cable
At this stage the BIOS settings should be reset to defaults.
</div>
Reset BIOS default following the following procedure for [[SBC Product Line: fitlet2-HBPN| SBC revisions 1.2]]:
<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
#Unplug power cable from the fitlet2
#Remove the 4x Phillips Chassis screws
#Remove and bottom and top cover#Remove the DIMM RAM stick #Plug in power cable (should turn on automatically)- ~ , and Wait ~10 seconds
#Unplug power cable
#Assemble back the DIMM RAM stick
#Press the RTC reset button.
[[File:Fitlet2_rtc_rst.png]]
9. Plug power cable (should be automatically turned on)
At this stage the BIOS settings should be reset to defaults.
</div>
== I don't have any display output, there's nothing on the screen ==
== fitlet2 Linux system periodically fails to boot after pressing power button ==
* If your Linux system periodically fails to boot after pressing power button and messages like "watchdog: BUG: soft lockup - CPU#2 stuck for 23s!" appears, please do the following BIOS settings changes:
# Press [Del] during boot to enter BIOS settings:
# Set Chipset -> South Cluster Configuration -> SCC Configuration -> SCC SD Card Support to [Disable]
== fitlet2 running Linux does not have a working audio out/SPDIF ==
* If your default BIOS setting "OS Selection" is set to [Windows] but [Linux] is desired, then run the following [https://fit-iot.com/files/download/fitlet2/sw/scripts/fitlet2_alc1150_hda_patch.sh script] and reboot the system
Code:
$ sudo ./fitlet2_alc1150_hda_patch.sh
$ sudo reboot
