1- Getting Started

1.1- Introduction

This Helix 520 / Karbon 520 Series BIOS Manual covers OnLogic Custom Features and displays standard options and configurations in the BIOS. Additional content pertaining to other configurable elements may be added in subsequent versions of this manual.

1.2- Navigating the Setup Menu

To access the BIOS setup menu, hold the Delete key on the keyboard while turning the system on. After a few seconds, the BIOS front page menu will appear.

On each menu, the selected option is shown in white, other options are shown in blue, and read-only options are shown in gray. Some menus have multiple screens, which are shown at the top of the screen. The active screen has a gray background and inactive screens have blue backgrounds.

BIOS menus are navigated by pressing keys on the keyboard:

• F1: Shows help on available keyboard shortcuts.

• ↑/↓: Select the option above or below the currently-selected option.

• →/←: Activate the screen to the right or left of the currently-activated screen.

• Enter: Activates the selected option. If the option is a menu, the menu is opened. If the selected option is a configurable option, a dialog box is opened to enter a new value.

• F5/F6: Change the selected option to its previous or next value.

• Esc: Returns to the previous menu.

• F9: Restores all options to their factory default values.

• F10: Saves all options and restarts the system.

Several options are available on the front page:

• Continue: continues the boot process normally, booting the installed operating system

• Boot Manager: opens a menu to select which device should be booted

• Device Management: opens a menu which shows the status of the system hardware

• Boot From File: opens a menu to select a UEFI executable to boot

The boot manager menu shows the devices available to be booted. The installed operating system and any attached USB drives will be listed. If enabled in the setup utility, the UEFI shell is also listed. Selecting an option boots it.

The setup utility shows the status of the system and allows many configuration options to be changed. These options affect the functionality, stability and security of the system, and should not be changed without an understanding of their meaning.

The setup utility has many screens. Press the →/← arrow keys to select between them.

Several configuration options are frequently used.

Default value: S0 State; possible values: S0 State, S5 State

Controls the state the system enters after G3 (power loss). If set to S5, the system remains off when initially connected to power. If set to S0, the system boots when connected to power.

Secure Boot verifies the digital signatures of boot software to ensure only trusted software loads during a computer's startup. A Supervisor password is required to change these settings.

Default value: Enabled; possible values: Enabled, Disabled

Enables or disables Wake-on-LAN functionality on the onboard network interfaces.

The main screen shows the BIOS version, information about the installed CPU, and the system date and language.

CPU Configuration

The "CPU Configuration" section provides a comprehensive set of options for managing the processor's features, performance, and security.

Chipset Configuration

This section contains settings related to the motherboard's chipset. A warning precedes these settings, indicating that incorrect values can lead to system malfunction.

System Agent (SA) Configuration

Advanced > System Agent (SA) Configuration -> Graphics Configuration

• Primary Display:

  • When set to Auto, with iGFX enabled, and an external GPU card and monitor are connected, the BIOS will direct video output to the external card.

  • If no monitor is connected, the system will reboot and switch to the internal graphics.

PCH-IO Configuration

PCH-FW Configuration

This section pertains to the Serial ATA (SATA) interface, primarily used for connecting storage devices. The top-level entries for individual SATA ports (0-7) are informational placeholders.

RAID Mode Configurations (HX522/K522 Specific)

This section pertains to RAID Mode configuration in the BIOS.

• On the front page of the BIOS navigate to "Device Management".

• Enter "ASMedia 106x RAID Mode Setting #0"

• Select the RAID Mode under "Controller #0: RAID mode Setting"

• Set "Controller #0: RAID Mode Change for next Reset" to "Yes"

• Press "F10" to save the change.

• Return to the BIOS Front Page and Select "Continue"

• Press Ctrl + Alt + Del to perform a cold reboot

USB Configuration

This section manages the system's Universal Serial Bus (USB) controllers and ports.

Advanced > SIO NCT6126D

• UART Port Configuration

  • Power Enable: COM port power over enable.

  • Default mode: Disabled.

  • Power Select: COM port power over cable select 5V or 12V.

This section groups settings for the system's power consumption and performance.

OnLogic Feature Configuration

• Pseudo G3: A power management state that mimics a full power-off (G3) while maintaining a low-power state for faster wake-up times.

• M.2 Power Off in Soft-Off State: When enabled, the M.2 slot will power off during soft-off states, including hibernation and system shutdown, to save more power.

• Retimer Compliance Mode: This is for Thunderbolt certification tests only when enabled.

Console redirection allows the input and output of a computer's console to be rerouted to another device or location, often for remote management or troubleshooting

Automotive Ignition

Advanced > Automotive Ignition (Only for Karbon 520)

For a brief overview of automotive ignition functionality, refer to the .

Automotive ignition settings are shown below. Note: These values are only examples.

• Input Voltage (Unit: Volt): [12.0]

• Ignition State:

• Automotive Mode:

• Low Power Mode:

Description of Settings:

• Input Voltage: Instant input voltage level reading.

• Ignition State: Instant ignition state reading.

• Automotive Mode: Enable or disable all automotive ignition features.

• Low Power Enable: Enable to enter a low-power state when the system is powered off by an ignition switch. The system can only wake from the ignition switch in this state.

In-Band Error Correction Code (IBECC) is a specialized memory protection technology designed to enhance system reliability without requiring the additional physical memory chips traditionally associated with ECC (Error Correction Code). Unlike standard ECC, which utilizes dedicated "side-band" data lanes and extra DRAM chips to store parity bits, IBECC embeds the error-correcting data directly within the standard memory bandwidth. This allows for industrial-grade data integrity on hardware configurations. IBECC protects data against single-bit errors (Single-Bit Error Correction) and detects multi-bit errors (Double-Bit Error Detection) within the existing memory ranks. A small portion of the system’s total available RAM is reserved to store the ECC metadata. This results in a negligible reduction in total usable memory but significantly increases resilience against data corruption.

Enabling IBECC

To enable IBECC, enable Expert Mode and navigate to Advanced > Memory Configuration.

Set In-Band ECC Support to Enabled.

BIOS Secure Boot is a security feature that prevents malicious software from loading during your PC's startup. It verifies the digital signatures of boot components against a database of trusted keys. If a signature doesn't match, the system will not boot, protecting against pre-boot malware.

To enable Secure Boot:

1. Go to the Security page to set a Supervisor Password. Then save and exit.

2. Go to "Administer Secure Boot" on the front page to enable secure boot.

After enabling Secure Boot, the system will only boot to signed EFI boot files or Operating Systems.

If the BIOS detects a 5-second assertion of FAC_RST_R_N at power-on, it will:

• Reset default UEFI settings to OnLogic factory defaults.

• Clear any custom defaults.

• Clear any UEFI passwords (Power On and Boot).

To perform a factory reset:

1. Hold the factory reset button while the system is powered off.

2. While holding the reset button, press the power button to power the system on.

3. After 5 seconds, release the factory reset button.

4. The screen will show "System will reboot to reset to default." and prompt the user to press “ok”. Note: The blank screen could take up to 3 minutes.

BIOS Secure Flash is a security measure that protects the BIOS from unauthorized modifications by requiring digitally signed BIOS updates. Only OnLogic-signed BIOS images can be updated to the system.

The exit screen provides options to leave the setup utility and to load and save settings.

• Exit Saving Changes: saves the current configuration and restarts the system to apply it

• Save Change Without Exit: saves the current configuration but does not restart the system

• Exit Discarding Changes: returns to the front page without saving or applying the current configuration

• Load Optimal Defaults: loads the factory default configuration

Remote Power Control

Only one of the four onboard LAN ports supports vPro. Port 4, as shown below, must be used to connect to the host PC.

To enable Intel AMT using MEBX in the BIOS setup menu:

1. Navigate to the front page of the BIOS setup menu and select MEBX.

2. Set up a new password. First, enter the default password: admin, then enter a new password.

3. After setting a new password, Intel® AMT will be enabled.

4. Navigate to Intel® AMT Configuration

To access Local AMT:

1. Open the system's Device Manager and check that the LAN device is enumerated correctly.

2. Open a browser and load the local WebUI: http://127.0.0.1:16992.

3. Enter the Intel® AMT login, input username (admin) and the password.

1. On another system on the same network, open a browser and open the WebUI as follows: https://[DUT IP address]:16993.

2. Ensure both systems are connected to the same network.

3. If a message indicating “Your connection is not private” appears, select proceed.

4. For the username enter

1. Go to BIOS setting > Setup Utility > Advanced > PCH-FW Configuration > AMT Configuration > MAC Pass Through .

2. Check that the MAC address of the Thunderbolt dock LAN port matches the VPro LAN port.

Intel vPro remote KVM is a hardware-level remote management feature that allows an IT administrator to take full control of a computer's keyboard, video, and mouse (KVM) as if they were physically sitting in front of it.

Requirements:

• Intel vPRO Enterprise SKU CPU.

• Software Required: MeshCommander / Intel Endpoint Management Assistant (EMA) / Third-Party IT Management Solutions.

An example of execution using MeshCommander is shown below.

1. Add a computer with the hostname and select “Digest / TLS” in the Auth / Security field.

2. Click Connect to connect to the host computer.

1. Go to “Remote Desktop” to connect and enter the Consent code that is displayed on the host computer.

1- Product Overview

1.1- Introduction

The Helix and Karbon 520 Series computers harness the advanced power and integrated edge AI capabilities of Intel® Core™ Ultra processors, delivering highly scalable performance in a fanless, robust design. Engineered for the evolved edge, these systems offer versatile connectivity, including ModBay™ expansion, and robust reliability within their 0°C to 50°C and -40º to 70ºC operating temperature ranges, to meet the demands of diverse industrial applications. Comprehensive features like cable retention and remote management capabilities (including Intel vPro®) ensure streamlined deployment and long-term operational efficiency.

For more information on accessories and additional features, visit the following product pages:

• https://www.onlogic.com/store/computers/industrial/fanless/helix-500/

• https://www.onlogic.com/store/computers/rugged/karbon-520

1.2- Safety

警告:為避免電磁干擾，本產品不應安裝或使用於住宅環境

Warning: To avoid electromagnetic interference, this product should not be installed or used in a residential environment

Any included or additional accessories, such as mounting brackets, power supplies, or antennas, are located in the accessory box at the bottom of the system box. All drivers and product guides can be found on the product's dedicated webpage.

Note: Pin 6 and 12 are motherboard GND pins.

Note: Pin 2 or the "-" label is the motherboard GND pin.

*Note: Pin 1 and pin 20 are isolated DIO ground pins, which are different from the motherboard GND. It is not recommended to connect them directly to the motherboard GND unless your application requires it.

Notes:

1. The CAN H pins are labeled "+" on the system.

2. The CAN L pins are labeled "-" on the system.

3. The ISO GND pins are labeled with the GND symbol on the system, however both are independent isolated grounds. It is not recommended to connect them together if both CAN bus channels are not on the same network.

The CBDT122 serial breakout cable converts an HX520/K520 serial connector to two DB9 connectors.

This image shows the difference between the 2x DB9 Breakout Cable and the standard COM Mating Connector:

Power LED Definition

• Off: Power off.

• Slow Blink (1/3Hz): Low/Standby Power State.

• On: Power On/Normal Power State.

• Fast blink (25Hz): GPU Power Brake Active.

Drive Activity LED

• Blinking: Read/Write activity on m.2 storage device.

Error LED Definition

• Slow Blinking (0.5Hz): Boot Issue (no boot device found).

• Fast Blinking (4Hz): Voltage fault.

• Solid: Memory Fault or no DIMMs installed.

The Helix and Karbon 520 Series have six USB 3.2 Gen 2 Type A ports (10 Gbps, 5V @ 900mA). Optional ModBay cards can add up to eight more USB 3.2 Gen2 Ports.

The Helix 520 Series has two Thunderbolt Gen 4 compliant ports (40 Gbps). Maximum 5V@3A/port or 5V@4.5A total for 2 ports. Single port maximum power is 15W and 2 ports maximum power is 22.5W.

The Karbon 520 Series has two USB 4 ports (40 Gbps). Maximum 5V@3A/port or 5V@4.5A total for 2 ports. Single port maximum power is 15W and 2 ports maximum power is 22.5W.

The Helix and Karbon 520 Series have two full-size DisplayPorts, both supporting DP 2.1 up to UHBR20. Please refer to Intel documentation for additional Core Ultra Series 1 and Core Ultra Series 2 display output specifications: .

The Helix and Karbon 520 Series have one 3FF Micro-SIM card slot on the top panel that works with 4G LTE and 5G cellular modems. The SIM card is mapped to the M.2 B-key slot. The SIM slot is push-push; push to insert and push to remove.

The Helix and Karbon 520 Series allow the enablement of a factory reset switch accessible through the front I/O face of the system that, when depressed, resets system BIOS settings back to factory defaults or custom set values.

The Intel i226 LAN Port on the Helix 520 (i226-LM) and Karbon 520 (i226-IT) Series support up to 2.5Gbps link speeds over standard shielded CAT5e or CAT6 cables. The connector is the industry standard RJ45 connector. This port also features Intel’s vPro® technology enabling remote out-of-band management and security features (supported on motherboards with Intel Core Ultra 5 135H and Intel Core Ultra 7 165h/265H Processors). The LAN link state is shown by the two LEDs on the port. The description of LED activity is shown in section 6.4.3 above.

For instructions on enabling vPro/AMT on the Helix 520 and Karbon 520 Series of systems, refer to the .

Motherboard Features

Please Note: There is a difference in labeling of front USB C ports between the HX520 series and K520 series. The HX520 series carries a Thunderbolt 4 logo while the K520 Series carries a USB 4 logo.

This slot supports PCIe Gen 4 x4 and is designed for NVMe or storage drives. A full pinout table for this expansion slot is provided in the .

This expansion slot is capable of supporting PCIe Gen 4 x2, SATA III, USB 3.2 Gen 2, USB 2.0, and one SIM card input from the external I/O. This slot is designed to support various expansion cards such as SATA storage drives and 4G LTE or 5G cellular cards. A full pinout table for this expansion slot is provided in the .

This slot supports PCIe Gen 4 x1 and USB 2.0 signals and is designed for M.2 2230 Wi-Fi expansion cards.

The systems have one PCIe x16 connector on the motherboard. It is used with OnLogic risers for various PCIe configurations in models HX/K522/3/4/5.

This riser supports a dual slot, full height, half length PCIe Gen 5 (x16 Physical/ x8 Electrical) expansion card in the HX524. There are two fan headers on the riser as well to support the fan in the chassis.

The Helix 520 series supports up to two DDR5 SO-DIMM slots rated up to 5600MTUs (MTL) and 6400MTUs (ARL).

In-Band Error Correction Code (IBECC) is optionally supported for symmetrical RAM configurations. IBECC is a specialized memory protection technology designed to enhance system reliability without requiring the additional physical memory chips traditionally associated with ECC (Error Correction Code). See BIOS Manual for more information.

The power consumption of the Helix 520 Series was measured for various system configurations, workloads, and power states at a 24V system input voltage. Tests were conducted using Furmark and Burnintest v9.0 to stress system components. These tests were performed with Intel Turbo Boost Enabled. The build configurations and power consumption are listed in the tables below. The power consumption listed below is the average power draw over a 5 minute window from the test start. This includes a brief period of PL2 power levels (Intel turbo Boost) where the power consumption is elevated. The highest power consumption seen during the period of turbo PL2 is shown at the bottom of each table. The data collected is similarly representative of systems in the Karbon 520 series.

The power consumption for each system configuration is recorded below.

The Helix and Karbon 520 Series support multiple power states. The wake-up events can be configured in the MCU and BIOS. This section describes the power management functions you can perform and gives information on protection circuitry for power adapters.

*Only supports legacy S3

The DC voltage levels specified are the absolute maximum allowable values for the system to function safely. The protection circuitry allows for brief transient voltages above these levels.

When an external GPU card is installed, the MCU will start monitoring the input voltage. The GPU power brake will be asserted when the input voltage is less than 15.6V to avoid excessive current draw from the power source in order to protect the power cable and input connector from damage. This GPU power brake will be de-asserted when the input voltage is higher than 17.1V.

Assertion of the GPU Power Brake is necessary at low voltages where high power draw from CPU, GPU, and platform devices would result in high input currents that may exceed ratings of the power connectors. The GPU brake will limit GPU power power at these voltages until input voltage is returned to safe levels.

When the power brake is activated, the power LED blinks at 25 Hz.

The 4x LAN Expansion (MODBAY-4LAN02) adds additional RJ45 GbE LAN ports to the HX523 and K523. This ModBay uses dedicated Intel I210-IT network controllers for each port which support speeds up to 1 Gbps.

Operating Temperature: HX523 0ºC to 50°C Operating Temperature: K523 -40ºC to 70ºC

The 4x PoE Expansion (MODBAY-4POE01) adds RJ45 GbE PoE LAN ports to the HX523 and K523. Each port supports up to 1 Gbps and PoE output. PoE power budget depends on system power input.

Operating Temperature: HX523 0ºC to 50°C Operating Temperature: K523 -40ºC to 70ºC

The 3x M12 LAN Expansion (MODBAY-M12LAN01) adds additional M12 X-coded GbE LAN ports to the HX523 and K523. This ModBay uses dedicated Intel I210-IT network controllers for each port which support speeds up to 1 Gbps.

Supported cables:

• CABLE-M12-RJ45-5M (5 Meter X-coded M12 to RJ45)

• CABLE-M12-RJ45-10M (10 Meter X-coded M12 to RJ45)

Operating Temperature: HX523 0ºC to 50°C Operating Temperature: K523 -40ºC to 70ºC

The 3x M12 PoE Expansion (MODBAY-M12POE01) adds additional M12 X-coded GbE PoE LAN ports to the HX523. This ModBay uses dedicated Intel I210-IT network controllers for each port which support speeds up to 1 Gbps. Additionally, each port supports PoE output. The power budget for PoE is dependent on the voltage of the system power input. Refer to Appendix C for PoE power budgets.

Supported cables:

• CABLE-M12-RJ45-5M (5 Meter X-Coded RJ45 to M12)

• CABLE-M12-RJ45-10M (10 Meter X-Coded RJ45 to M12)

Operating Temperature: HX523 0ºC to 50°C Operating Temperature: K523 -40ºC to 70ºC

The 2x 10Gb LAN Expansion (MODBAY-10GLAN01) adds RJ45 10 GbE LAN ports to the HX523. This ModBay uses a single X550 network controller which supports individual port speeds up to 10 Gbps and a maximum combined speed up to 15 Gbps across both ports.

Operating Temperature: HX523 0ºC to 40°C Operating Temperature: K523 -40ºC to 40ºC

The 4x USB3 Expansion (MODBAY-04USB-02) adds additional USB 3.2 Gen 2 Type-A ports to the HX523. This ModBay uses two USB controllers which support individual port speeds up to 10 Gbps and a maximum combined speed up to ~26 Gbps across all ports. The controllers are the PCI11400 (PCIe Gen 3 x2 to 2x USB 3.2 Gen 2) and the USB7206i (1x USB 3.2 Gen 2 to 2x USB 3.2 Gen 2). Each port is rated to 5V @ 900mA of power delivery per USB-IF specification. These ports can only wake in sleep and are not active in Hibernate system states.

Operating Temperature: HX523 0ºC to 50°C Operating Temperature: K523 -40ºC to 70ºC

The nominal power budget for all PoE ports on the Helix 520 and Karbon 520 Series is provided below. These values are provided for room temperature operating conditions. Please contact OnLogic for specific derating information for your installation.

Testing Conditions

• Temperature Range: 0ºC to 50ºC

• Step size: 5ºC / 10ºC

• Stress Levels

  • CPU (100% - Intel PTAT)

Results Summary

• Temperature Range: -40ºC to 70ºC

• Step size: 5ºC / 10ºC / 20ºC

• Stress Levels

  • CPU (100% - Intel PTAT)

Step 1: Remove the two screws in the rear of the system.

Step 2: Align the two screw holes on the back of the system with the holes in the DIN clip.

Step 3: Fasten the din clip with the screws removed in step 1 (M3X0.5 Flathead Screw, 6mm Long) WARNING: Using a screw longer than 6mm may damage the system.

Step 4: Hook the spring side of the DIN clip onto the DIN rail, then press firmly until the clip snaps over the other side of the rail.

Step 1: Remove the four screws in the rear of the system.

Step 2: Align the four screw holes on the back of the system with the holes in the DIN clip.

Step 3: Fasten the DIN clip with the screws removed in step 1 (M3X0.5 Flathead Screw, 6mm Long) WARNING: Using a screw longer than 6mm may damage the system.

Step 4: Hook the spring side of the DIN clip onto the DIN rail, then press firmly until the clip snaps over the other side of the rail.

Step 1: Remove the four screws in the rear of the system.

Step 2: Align the first 2 screw holes on the back of the system with the holes in the DIN clip.

Step 3: Fasten the DIN clip with the screws removed in step 1 (M3X0.5 Flathead Screw, 6mm Long) WARNING: Using a screw longer than 6mm may damage the system.

Step 4: Repeat steps 2-3 for the second DIN clip. Ensure the second DIN clip is oriented in the same direction as the first DIN clip

Step 5: Hook the spring side of the DIN clip onto the DIN rail, then press firmly until the clip snaps over the other side of the rail.

Step 1: Align the four screw holes on the bottom of the system with the respective holes on the mounting brackets.

Step 2: Attach wall mounting brackets (MTW101) or DIN mount Bracket (MTD102-K), to the system using the supplied M3 screws (M3X0.5 Flathead Screw, 4mm Long).

Step 3 (Wall Mount only): Install system to surface using keyhole slots on wall mount brackets and appropriate hardware for the surface (not provided).

Step 4 (DIN Bracket only): Align the mounting holes of the din clip bracket to the three mounting holes on the wall mount bracket. Install the 6x M4 screws (M4x0.7 Self Tapping, Philips Head, 6mm Long) to secure the DIN clip.

Step 5 (DIN Bracket only): Hook the solid side of the DIN clip onto the DIN rail, then press firmly until the clip snaps over the other side of the rail.

Step 1: Peel feet from adhesive.

Step 2: Align feet with markings on Secondary Heatsink as shown.

Step 1: Align the four screw holes on the bottom of the system with the respective holes on the VESA bracket.

Step 2: Attach VESA Bracket to the system using the supplied M3 screws (M3X0.5 Flathead Screw, 4mm Long) Use a torque of at least 200 N-cm (18 in-lbs) to attach the bracket.

Step 3: Install the system to VESA 75 or VESA 100 mounting pattern using provided VESA Mount screws.

Step 1: Separate the two bracket segments by first removing the M4 screw on either side of the bracket (M4X0.7 Phillips head, 6 mm long). With the screws removed, the bracket segments can be separated by removing the smaller bracket from the hooked tabs on the top edge of the larger bracket.

Step 2: Align the screw holes indicated with “1” marking with the bottom holes of the system. Secure the system using the 4x supplied M3 screws (M3X0.5 Flathead Screw, 6mm Long). Use a torque of at least 200 N-cm (18 in-lbs) to attach the bracket.

Step 3: Install the large bracket/system assembly to a VESA 75 or VESA 100 mounting pattern on a monitor stand/arm using the provided M4x0.7 8mm length screws. Note the arrow marking on the bracket indicating which side of the bracket should be facing UP.

Step 4: Install the remaining smaller bracket to a monitor VESA 75 or VESA 100 mounting pattern using the provided M4x0.7 8mm long screws. Note the arrow marking on the bracket indicating which side of the bracket should be facing UP.

Step 5: Install the small bracket/monitor assembly to the large bracket/system assembly on the mounting arm by aligning the hooks/tabs and slot the pieces together. Secure the bracket segments together using the 2x M4 screws removed in Step 1.

Properly opening OnLogic systems does not void the warranty in most cases, however, some precautions are necessary to avoid damaging the system.

• Perform this disassembly in an area free of static discharge.

• Disconnect power, video, and any other connections to the system. It should be fully unplugged.

• Ideally, wear a grounding strap. If that is not available, regularly touch a grounded metal surface to discharge your body of static electricity.

All of the different system models in this series begin their disassembly by removing the bottom plate:

After removing the bottom plate, you will have access to the motherboard. The motherboard used is the same for all variants in the series. Here is the layout:

Reference the full here.

Windows Drivers

Please follow this link for a guide on updating your system's drivers:

LPMCU Tool

Reference here.

MCU Updates

DIO Python Package

Download Instructions

1. Download .zip File - For a simple copy of the files, use this direct download link:

2. Clone with Git - Use a terminal to clone the repository.

   • HTTPS:

Python Package Documentation:

Drivers

Drivers are available in INF formats, which can be installed via a Windows deployment server, or through the Device Manager. Follow our guide for .

Windows 11 -

Please follow this link for a guide on updating your system's drivers:

Reference the full .

If the system fails to power on or is unresponsive, clearing the CMOS may help. It will also restore the BIOS to factory defaults.

• The CMOS reset button on all HX52X systems can be found next to the power button, as indicated here

• To perform the reset, begin by powering off the system

• While holding the reset button, press power button to power the system on

• After 5 seconds, release the button

Description

Some Windows installation methods may result in serial port number collisions.

The Helix 520 Series systems implement three serial port types - PCH UART, SIO COM, and USB VCOM. Depending on the order of driver installation, Windows may assign duplicate serial port numbers (in the format COM[n]).

Resolution

Serial port numbers can be changed from the Windows Device Manager after driver installation, or drivers can be injected via enterprise deployment methods prior to first boot to mitigate this issue.

Windows installations performed by OnLogic are shipped with unique serial interface numbers. DIO Labeling

Description

The Helix 520 Series top plate DIO labeling has “-” and “GND” labels for pins that both connect to the DIO expansion isolated ground (ISO_GND). The other ground pins indicated by the system labeling are tied to the non-isolated DC GND. There is no functional impact to system performance, but some users may find this labelling confusing.

Resolution

GND label on the DIO connector will be changed to ISO_GND on a future revision.

Description

Ethernet port assignments in Windows may not be issued consistently between configurations due to Windows port enumeration rules, meaning that the indicated port numbers on the front of the system may not match the numbers assigned by Windows.

Resolution

Users/installers may associate external Ethernet port numbers with the Windows-assigned scheme using the Powershell command Get-NetAdapterHardwareInfo.

In the results generated by the command, adapter names and PCIe Bus numbers are displayed. The external port numbers from the plate label are equivalent to the PCIe Bus numbers (Port 1 = Bus 1, etc.). The Powershell command Rename-NetAdapter can then be used to rename Ethernet ports to user preference.

Description

Intel VMD is a technology allowing for internal storage to be added to RAID configurations without a discrete RAID controller. While OnLogic is not currently offering configurations that are VMD-compatible, the BIOS options for VMD are available for future use.

When VMD is enabled via the BIOS configuration menu, and drives are added to the VMD controller by enabling either VMD Global Mapping or adding individual drives to the VMD controller from the same menu page, systems may fail to boot after the configuration is applied.

Resolution

Users are advised to keep VMD and VMD Global Mapping disabled. There is no workaround.

RAID support is offered via a discrete controller in the Helix 522 model and is not affected by this issue.

Description

The Windows driver for the GPIO subsystem of the Microchip PCI11000 family IO controllers used on the Helix 523 model and MODBAY-04USB-02 expansion card is not signed, so Windows will not load it. A yellow bang ( ! ) warning indicator and error message is displayed in the Windows Device Manager.

This error message has no effect on system performance and may be ignored. The GPIO subsystem is required to be enabled on-chip for full function, but no direct driver/OS interaction is required.

Resolution

A signed driver release is in progress, and will be made available when it is complete.

Description

When attempting to use Wake-on-LAN (WoL) from S4 (hibernate) and S5 (soft off) power states, the system may hang, preventing proper system startup. This issue is specific to the Modbay-M12LAN01 card.

Resolution

For WoL from S4 or S5 power states, the Modbay-M12PoE or Modbay-4LAN cards should be used. The Modbay-M12LAN01 card is only recommended for Wake-on-LAN from S3 (sleep) power state.

Description

When Wake On PME is enabled in the BIOS but WoL is disabled in the operating system for LAN port 1 in Ubuntu 24.04 Desktop/Server, the disagreement in settings causes unintended wake events to occur from S4/S5.

Resolution

Ensure agreement between the wake on PME setting in the BIOS and WoL setting in the OS. If WoL functionality is desired, ensure both settings are enabled. If WoL functionality is not desired, ensure both settings are disabled.

This device has been tested to the relevant EMC and Safety standards. Modifications by the user may invalidate certifications. Testing included EN 55032, EN 55035, EN 60601-1-2, IEC 62368-1, IEC 60945 Ed. 4, and many others, please see specifications for details.

This device complies with part 15 of the FCC rules as a Class A device. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation.

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

CAN ICES-003(A) / NMB-003(A)

The computer system was evaluated for medical and IT equipment EMC standards as a class A device. The computer complies with the relevant IT equipment directives for the UKCA mark.

This product must be used with an in-line EMI filter when connected directly to a DC mains supply in maritime and DNV applications. The recommended EMI filter is a Delta 30DKCS5. Any filter used must be appropriately rated to handle the voltage and current draw of the system and must have a minimum insertion loss of 30dB at 1MHz.

Datasheet for the 30DKCS5 including electrical specifications, wiring diagram, and dimensions.

This is a Class A product based on the standard of the Voluntary Control Council for Interference (VCCI). If this equipment is used in a domestic environment, radio interference may occur, in which case the user may be required to take corrective actions.

For the latest security advisories concerning OnLogic products, including vulnerability disclosures and necessary updates, please refer to our official Security Advisories page. It is recommended to regularly check this resource for critical security information.

1- Revision History

Helix 520 and Karbon 520 Series computers feature an embedded power sequencing controller and support isolated Digital Input/Output (DIO) and Controller Area Network (CAN) add-in cards. OnLogic may provide updates for the embedded sequencing controller over the product’s lifetime for feature enablement or product improvement.

The DIO module has 8 input and 8 output pins, an intrusion detection pin, two contact modes, and supports firmware updates. OnLogic provides a Low-Power Microcontroller Unit (LPMCU) command line utility to interact with the DIO microcontroller. Additionally, a custom Python package is provided in to natively embed the LPMCU tool functionality in scripting environments.

The CAN add-in card provides a two-channel CAN 2.0 A/B interface with configurable bitrates from 100 kbit/s to 1 Mbit/s. The CAN bus can be controlled programmatically on Linux using the interface or on Windows via a custom C++ API. More information on the CAN module can be found in .

Helix 520 and Karbon 520 Series computers support In-System Firmware Updates to both the DIO and power sequence microcontroller using the LPMCU tool from the download link provided in . To update the embedded sequence controller, the communications port must be enabled in the BIOS (see 3.1.1) before running either the Windows or Linux tool (3.1.2 / 3.1.3). The DIO controller VCOM port is always enabled when the add-in card is installed.

1. Power on the system and repeatedly press the “Delete” key to access the “Front Page” menu

2. Choose “Setup Utility”

3. Navigate to Advanced > PCH-IO Configuration > Serial IO Configuration

4. Locate “UART0 Controller”

After completing the firmware update, the system must be shut down (reaching S5 state) in order to allow the new firmware to be loaded and executed properly.

The optional digital input/output (DIO) add-in-card (USB-16DIO-01) adds 8 digital inputs, 8 digital outputs, and an additional intrusion (INT) pin to the system.

*GND is provided as a return path for the intrusion detection switch. It is shared with the DIO - pin (ISO_GND).

The digital outputs (DO) are open-drain, and the digital inputs (DI) are high-impedance. Both DI and DO support two operating modes: wet contact and dry contact. The table below defines the logic levels for each mode based on the voltage state at the DIO terminal.

Pin V+ of the module should be connected to external power and ground. The high side of the load should be connected to the external power source, and the low side to the module DO pin. Additionally, the load current should not exceed 150 mA, while operating voltage ranges should be between 5 V to 30 V.

Setup required for Output:

Voltage is provided by the system. Each DO will output 11 V - 12.6 V when active.

Setup required for Output:

There is no internal pull up to the DI[0:7] pins when set to WET mode. Externally supplied 5 - 30V is recognized as logic 0 and 0 - 3V as logic 1 when DI[0:7] pins are set to wet contact mode.

Setup required for Input:

When the contact type is set to DRY mode, DI[0:7] are pulled up to the internal isolated ~12V supply. An open/floating connection is recognized as logic 0 and a short to GND as logic 1 when DI[0:7] pins are set to dry contact mode.

Setup required for Input:

The DIO card uses the USB-CDC communication protocol. On Windows, it will show up as “USB Serial Device (COMx)” in the device manager. On Linux, it will show up as “/dev/ttyACMx” in the serial device list.

The pin states and contact types of the DIO add-in-card can be controlled and read from using the LPMCU tool and Python API.

Command Summary of LPMCU

*See section 4.2 for mode definitions.

From Windows Command Prompt:

Using Ubuntu Terminal:

Python API Link:

Example code, setup instructions, and API specific documentation for the Python DIO utility are available below:

Full Link:

The Helix 520 / Karbon 520 Series provide an intrusion detection feature which is disabled by default. The DIO INT signal is assigned for intrusion detection. The intrusion detection feature must be enabled from the BIOS setup menu.

1. Navigate to the BIOS Setup Utility Menu.

2. Select Advanced.

3. Choose OnLogic Feature Configuration.

4. Go to Intrusion Detect.

Power Button Emulation (SCI#)

When an intrusion event is detected in the Operating System environment by shorting the INT pin to ground, a power button press is triggered. The resulting action can be a shutdown, hibernation, sleep or nothing, depending on the OS configuration for power button events.

Perform Power Cycle (SMI#)

As soon as an intrusion event is detected, the system will shut down immediately.

The Helix 520 / Karbon 520 Series support In-System Firmware Updates for the DIO add-in-card using the lpmcu-tool which can be accessed within the link provided in Section 2. The commands are shown below with example outputs:

After updating the firmware, an AC power cycle is required to allow the new firmware to be loaded and executed properly.

The optional Helix 520 / Karbon 520 Series CAN add-in card (USB-02CAN-01) provides a two-channel CAN 2.0 A/B interface. The CAN bus consists of two signal lines: CAN High and CAN Low. In the dominant state, CAN High is driven to a high voltage potential of ~3.5 Volts and CAN Low is driven to a low voltage potential of ~1.5 Volts. A nominal voltage of ~2.5 Volts measured on each signal line relative to ground while the bus is idle serves as a reliable indicator of the Helix 520 / Karbon 520 Series CAN bus operational status. Additionally, the CAN bus operates in two states: dominant and recessive. The dominant state is represented by logic level 0, while the recessive state is represented by logic level 1. The CAN interface supports configurable bitrates from 10 kbit/s to 1 Mbit/s.

Diagram of a simplified CAN bus network.

The figure above shows: 1) One termination resistor at each end of the bus, 2) required endpoints of the bus acting as either transmitters or receivers, 3) High and Low CAN bus lines, and 4) additional (optional) network members connected on the same signal lines.

GitHub Repository Location: Driver installation instructions, program environment setup instructions, and example source code are found in .

Full Link:

Linux: The driver for the CAN add-in-card is included in the Linux kernel and should automatically be present on Linux Kernel 2.6.2+. If not, refer to the GitHub README in the link above for instructions on installation and usage.

Windows: Helix 520 / Karbon 520 Series systems purchased with Windows pre-installed ship with the drivers pre-installed as well. To install the CAN add-in-card driver on non-OEM provided Windows images, please refer to the README in the link above.

The ignition sense feature can be used to turn Karbon 520 Series units on and off with a battery, or vehicle’s ignition. It can also be used in non-automotive applications using a switch instead.

An example configuration is shown below. The switch connects positive DC power to the IGN pin. The unit will turn on when power is applied to the IGN pin, and turn off when power is removed. These events have configurable delays.

The Karbon 520 Series has three options for controlling automotive settings. The simplest method is to set them through the dedicated BIOS page. The LPMCU command-line tool can also configure automotive settings, provided that the access port in Windows is correctly enabled as described in . Additionally, the custom Python package provided in Section 2 can programmatically embed ignition sensing feature control within scripting environments.

Accessing Automotive Settings in the BIOS

• Power on the system and repeatedly press the Del to access the BIOS

• Arrow down and choose “Setup Utility” by pressing enter

• Navigate to the Advanced tab and open the Automotive Ignition menu.

• Set Automotive Mode Enabled

• The menu reveals the configurable options that can be set by the user

• Press F10 to save and exit.

Change Windows Power Button Settings

• Ignition sensing simulates a power button press. In Windows, the default behavior of the power button press is to put the system into Sleep mode. Change the power button press behavior to “Shut Down” instead.

• Windows “fast startup” will interfere with ignition sensing, so this should be disabled.

The following shows an example configuration for automotive timings by the LPMCU command line utility. Enter each command consecutively.

The set and get commands featured within the LPMCU tool are used to configure and retrieve settings:

• lpmcu set`` ``[command] [value]. This command is used to set or configure parameters related to the LPMCU.

• lpmcu get`` ``[command]. This command is used to retrieve the current value of a specific LPMCU command.

For further help text, type lpmcu set help or lpmcu get help

From Windows Command Prompt: