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We reserve the right to revise this document or make changes in the specifications of the product described therein at any time without notice and without obligation to notify any person of such revision or change. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
Dispose used batteries according to the manufacturer’s instructions. b. Do not remove the cover and ensure no user serviceable components are present inside. Take the unit to the service Center for service and repair. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
4.1 About Arrakis Pico MK4 Thank you for choosing Welotec Arrakis Pico MK4. The Arrakis Pico Mk4 is a ultra compact fan less embedded system for industrial computing application. It features industrial grade components and is suitable to operate in harsh and critical environments.
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Model WiFi Arrakis Pico Mk4 Standard 8 GB LPDDR4 Arrakis Pico Mk4 Standard 16 GB LPDDR4 Arrakis Pico Mk4 Standard 8 GB w/ Cat. LPDDR4 Arrakis Pico Mk4 Standard 16 GB w/ Cat. LPDDR4 Arrakis Pico Mk4 Standard 8 GB w/...
Attention: When opening the chassis make sure to slide the chassis top to the rear. Lifting the top up may shear the SIM Slot from the PCB. Being a powerful, yet small fanless system, the Arrakis Pico Mk4 may reach very high surface temperatures in excess of 60°C/140°F with risk of injury. Users should ensure sufficient protection against touching.
5.2 Mainboard Block Diagram This block diagram describes the relationship among all interfaces and modules on the mainboard. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 10 48366 Laer +49 2554 9130 00...
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5.3 System Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 11 48366 Laer +49 2554 9130 00...
Attention: Do not connect Voltage to the SW Pin on the Power Connector! Power Connector Pin‑Out 12‑24V External Power Switch Connector Not Connected Ground Ground 6.1.1 Power Connector wiring schematic Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 12 48366 Laer +49 2554 9130 00...
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Output High Current (IOH):‑10mA (Min) VOL=2.4V Watch Dog Time value 0~255 sec The system will be issued reset. When WDT is enable the hardware start down counter to zero. The reset timer has 10~20% tolerance upon the Temperature. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
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6.2.1 Antennae Connector Position LTE/5G: 6.2.2 Antennae Connector Position Wi‑Fi: Ant. 1: WiFi 1 Ant. 2: WiFI 2 The WiFi Connectors are equivalent. Connector Type: SMA‑RP Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 14 48366 Laer +49 2554 9130 00...
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7 Radio Modules (only relevant with optional LTE/WiFi Modules) The Arrakis Pico Mk4 may contain one of the following RF Modules: LTE: Quectel Supported Bands EM05‑G FDD B1/ B2/ B3/ B4/ B5/ B7/B8/ B12/B13/B14/ B18/ B19/B20/ B25/ B26/ B28/B66/B71 TDD B38/...
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In the above BIOS Setup main menu of, you can see several options. We will explain these options step by step in the following pages of this chapter, but let us fi rst see a short description of the function keys you may use here: • Press ←→ (left, right) to select screen. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
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Status Page Setup Menu/ Option Page Setup Menu Press F1 to pop up a help window that describes the appropriate keys to use and the possible selections for the highlighted item. To exit the Help Window, press <Esc>. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
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System Date Set the Date. Please use [Tab] to switch between data elements. System Time Set the Time. Please use [Tab] to switch between data elements. 8.6 Advanced ACPS Settings Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
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Power Limit 2 Increasing these values will result in a higher power consumption of the device, which will also increase the case temperature and reduce the operating temperature range. Decreasing these values leads to re‑ duced performance of the device and possibly undesired behaviour. PCH‑IO Configuration Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
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PCI‑Express configuration There is usually no need for users to make any changes here, defaults are: MGFF1 M.2 B‑Key: Enabled PCIe Speed: Auto SATA Configuration Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 20 48366 Laer +49 2554 9130 00...
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There is usually no need for users to make any changes here, defaults are: SATA Controller(s): Enabled Serial ATA Port 0: Enabled Port 0 will show type and capacity of installed SATA drives. Please be advised that the Arrakis Pico Mk4 default storage is NVMe, and this field will still show empty.
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Toggle Console Serial Redirect to enable/disable the function. Default is: Enabled You can configure the Terminal settings in this dialogue. UART Port 1 Configuration: Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 22 48366 Laer +49 2554 9130 00...
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Toggle to Enable/Disable the serial interface. Be advised that in RS232 mode only RX/TX lines are supported. Restore on Power Loss: Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 23 48366 Laer +49 2554 9130 00...
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Last State (default): After power resumes, the Arrakis Pico Mk4 is restored to the state before the power loss. Always on: The Arrakis Pico Mk4 turns on when power is applied Always off: The Arrakis Pico Mk4 remains turned off after power resumed.
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To increase device security we recommend the following steps in the BIOS: 1. Create an Admin‑Password in the BIOS ‑> Security Section 2. Deactivate all unnecessary Bootmedia in the BIOS ‑> Boot section 8.8 Power Toggle to enable desired Wake up Events. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 25...
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8.9 Boot Boot type The Arrakis Pico Mk4 is a UEFI Boot only system Quiet Boot The optional settings are: Enabled (default), Disabled. Network Stack If use PXE function need enable otherwise disable (default) PXE Boot capability The item determines what protocol operation in PXE, these values are: Disabled (default), UEFI: IPv4, UEFI: IPv6 This is not modifying item.
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Exit Saving Changes This item allows user to reset the system after saving the changes. Exit Discarding Changes This item allows user restart the system but no saving the changes Load Optimal Default Use this item to restore the optimal default for all the setup options. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com...
9 Driver Installation The Arrakis Pico MK4 is usually shipped with an Operating System preinstalled (recommended) In case you have chose to purchase an Arrakis MK4 without preinstalled operating system or need to reinstall, you can download all available System drivers from this address: Download Link To Install the Drivers, please execute the driver installation programs according to the on‑screen instructions.
Burn in Max Shut Down Power Off 0.07A 1.48A 0.63A 1.70A 1.31A 0.04A 0.73A 0.35A 0.91A 0.65A The Power Consumption depends on options and Software. Welotec GmbH www.welotec.com Zum Hagenbach 7 info@welotec.com Page 29 48366 Laer +49 2554 9130 00...
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11 Appendix B F75111N DIO & Watch‑ dog device The Arrakis Pico MK4 is has 1x DO, 1x DI, this chapter introduces programming. 11.1 Watchdog timer under DOS: You can download the Sources in the Driver Download Folder in Chapter 9 in the DIO folder.
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