Changes
/* 4. fitlet2 BIOS reset */
*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 Collapse expand the below:
<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
Please disconnect the power core and perform the following:
1. Remove all the storage devices (internal and external).
2. Boot the system and wait for ~15 seconds to ensure the system booted to the BIOS menu.
3. Press F3 key and after that the Enter key to load the default menu settings
4. Press F4 key and after that the Enter key to save and exit
5. The system should restart and boot with default menu settings.
</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 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#Check which revision the fitlet2 SBC is – should be on the print side, should be printed on top of the board (where the DIMM is located)#'''If the fitlet2 SBC Revision is 1.2''' --> Press the RTC reset button.##Otherwise '''if the fitlet2 SBC Revision is 1.1''' --> carefully Carefully unplug the RTC Battery from the 2pin connector.
#Plug power cable (should turn on automatically)
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 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
#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 ==
*Display issues on POST are a common symptom of incorrectly assembled or bad Memory DIMMS
*Please refer to [http://fit-pc.com/wiki/index.php/fitlet2_Troubleshooting#2._Check_memory_.28RAM.29 Check memory RAM] to diagnose Memory
== 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
