Fitlet3 Errata Notes

FITLET3ERR001: fitlet3 SIM card detection issue

• Date: 21-Feb-2023
• Symptom: When the SIM card drawer is inserted properly the SIM card is not detected.
• Applies to: FITLET3 Rev 1.0 and Rev 1.1
• Cause: Erratum in SIM recognition integrated circuit
• Workaround: The unit should be RMA for hardware fix
• Fix: Will be fixed in the upcoming SBC-FLT3 rev 1.2

FITLET3ERR002: fitlet3 Audio controller is not working

• Date: 21-Feb-2023
• Symptom: No audio output
• Applies to: FITLET3 with PCB revision: Rev 1.0 and Rev 1.1
• Cause: The I2S interface form the SoC is not working
• Workaround: RMA
• Fix: Will be fixed in the upcoming SBC-FLT3 rev 1.2

FITLET3ERR003: long delay in starting the BIOS menu

• Date: 21-Feb-2023
• Symptom: Entering the BIOS menu takes a minute or more
• Applies to: FPCB revision: Rev 1.0 and Rev 1.1 with BIOS version : FLT3.PRD.00.03
• Workaround: None
• Fix: [Update the BIOS to the latest version]

Note: This delay occurs only when booting into the BIOS menu and does not affect OS boot.

FITLET3ERR004: fitlet3 Bluetooth on the soldered Wi-Fi module is not working

• Date: 22-Feb-2023
• Symptom: W210S Bluetooth on the soldered Wi-Fi module is not working
• Applies to: PCB revision: Rev 1.0 and Rev 1.1 with configuration option : W210S
• Workaround: None
• Fix: Will be fixed in the upcoming SBC-FLT3 rev 1.2

Note: This issue is not related to M.2 WiFi module (M.2 6GHz WiFi + BT Intel AX210 [W210M])

FITLET3ERR005: fitlet3 default LAN interfaces are not recognized by some -nix based OS

• Date: 28-Feb-2023
• Symptom: Intel Ethernet PHY (Marvell 88E1512)) LAN interfaces are not working under some -nix based OS, like pfSence, Debian, OPNSense ant others.
• Applies to: PCB revision: Rev 1.0 and Rev 1.1
• Workaround: Using FC3-LAN or FC3-OPLN FACET card instead.
• Fix: All -Nix based OS, running Linux Kernel version 5.15.046 and above, correctly recognize these on-board ports

Note 1: The workaround above is not possible in case of necessity of using WiFi module, either soldered or M.2 module.
Note 2: So far, the following OS have been found to not support these on-board ports: 
 Debian 11 (with Kernel 5.10), 
 OPNSense (based on FreeBSD ver. 13.1), 
 FreeBSD v13.1
Note 3: So far, the following OS have been tested and found support these on-board ports: Ubuntu 22.10, 22.04 ; Linux Mint 21.1 "Vera".

FITLET3ERR006: Missing drivers in Windows 10/11 OS

• Date: 07-Mar-2023
• Symptom: Windows 10 Device Manager shows missing drivers and unknown devices
• Applies to: All revision with BIOS version : FLT3.PRD.00.03
• Workaround: None
• Fix: [Update the BIOS to the latest version]

Notes:

1. The first boot after the BIOS update might take a long time and several restarts.
2. For Windows users only:
   1. After the BIOS update, the new undefined devices will appear in the Device Manager.
   2. Please install the PSE drivers:

  Windows 10: https://fit-iot.com/files/download/fitlet3/sw/drivers/win10/fitlet3_Win10_PSE.zip
  Windows 11: https://fit-iot.com/files/download/fitlet3/sw/drivers/win11/fitlet3_Win11_PSE.zip

FITLET3ERR007: PXE boot does not work

• Date: 07-Mar-2023
• Symptom: PXE boot does not work
• Applies to: All revision with BIOS version : FLT3.PRD.00.03
• Workaround: None
• Fix: [Update the BIOS to the latest version]

FITLET3ERR008: Wake On Lan feature does not work in all states

• Date: 07-Mar-2023
• Symptom: Wake On Lan feature does not work in S5
• Applies to: All revision with BIOS version : FLT3.PRD.00.03
• Workaround: None
• Fix: [Update the BIOS to the latest version]

FITLET3ERR009: Incorrect Audio Input/Output order on the panel

• Date: 25-Sep-2023
• Symptom: The socket marked as "Line-In" is actually "Line-Out", and opposite. This is a mechanical issue with incorrect symbols on the panel.
• Applies to: All revisions till next announcement.
• Workaround: The left socket is "Line-Out", the right socket is "Line-In".
• Fix: Mechanical issue will be fixed in one of the upcoming revisions.

• 

  Wrong placement

• 

  Correct placement

FITLET3ERR010: error in a control switches placement in FC3-SC-S2 and FC3-SC-S1C1, on revision 1.1

• Date: 24-Oct-2023
• Symptom: Switches SW5 and SW6 were swapped with SW7 and SW8. It has no impact on FC3-SC-C2, since none of these 4 switches are assembled.
• Applies to: FC3-SC-S2 and FC3-SC-S1C1 FACET cards revision 1.1.
• Workaround: Control on DB9 Serial port #1 should be done with SW5 and SW6, port #2 - on SW7 and SW8
• Fix: Mechanical issue will be fixed in the upcoming revision 1.2.

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