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Summary of Contents for DFI EHL556
- Page 1 EHL556 3.5" SBC Industrial Motherboard User’s Manual...
- Page 2 The changes or modifications not expressly approved by the party responsible for are the properties of the respective owners. compliance could void the user’s authority to operate the equipment. • Shielded interface cables must be used in order to comply with the emission limits. User's Manual | EHL556...
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Page 3: Table Of Contents
USB Configuration ......................33 Network Stack Configuration..................34 USB Power Control ......................34 Chipset ..........................35 Memory Configuration ....................35 Graphics Configuration ....................36 PCH-IO Configuration ....................37 PCI Express Configuration ....................37 SATA And RST Configuration ..................38 HD Audio Configuration ....................38 Security ..........................39 User's Manual | EHL556... - Page 4 • To reduce the risk of electric shock, unplug the power cord before removing the sys- tem chassis cover for installation or servicing. After installation or servicing, cover the system chassis before plugging the power cord. User's Manual | EHL556...
- Page 5 The board and accessories in the package may not come similar to the information listed above. This may differ in accordance with the sales region or models in which it was sold. For more information about the standard package in your region, please contact your dealer or sales representative. User's Manual | EHL556...
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Page 6: Chapter 1 - Introduction
Chapter 1 INTRODUCTION Chapter 1 - Introduction X Specifications User's Manual | EHL556... - Page 7 Chapter 1 INTRODUCTION User's Manual | EHL556...
- Page 8 Plug and Play peripherals. RTC Timer The Real Time Clock (RTC) installed on the system board allows your system to automatically power-on on the set date and time. User's Manual | EHL556...
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Page 9: Block Diagram
Chapter 1 INTRODUCTION X Block Diagram User's Manual | EHL556... -
Page 10: Chapter 2 - Hardware Installation
M.2 B Key (Option) system chassis. If a wrist strap is unavailable, establish and maintain contact with the system chassis throughout any procedures requiring ESD protection. mini-PCIe M.2 E Key COM 1 2230 COM 2 USB 6-7 USB 4-5 User's Manual | EHL556... -
Page 11: System Memory
DIMMs in a channel can be identical or completely different. However, we highly rec- ommend using identical DIMMs. Not all slots need to be populated. Features • 1 x 260-pin SODIMM up to 32GB • Single channel DDR4 up to 3200MHz (in-band ECC support in embed- ded/industrial SKU) User's Manual | EHL556... -
Page 12: Removing The Sodimm Module
Hold the card by its edges and remove it from the slot. Step 2: Push down the module until the clips at each end of the socket lock into position. You will hear a distinctive “click”, indicating the module is correctly locked into position. User's Manual | EHL556... -
Page 13: Panel Backlight Voltage (Dpjp1)
This jumper is to determine the power of panel backlight. This jumper is to determine the power of panel inverter. Panel Backlight Voltage Panel Inverter Power Selection DPJP1 DPJP2 3.3V(default) 1-2 On 12V(default) 1-2 On 2-3 On 2-3 On User's Manual | EHL556... -
Page 14: Panel Power
M.2 B Key (Option) mini-PCIe M.2 E Key COM 1 2230 COM 2 USB 6-7 USB 4-5 This jumper is to determine the dimming of panel backlight. Panel Power Jumper DPJP3 1-2 On 3-4 On 3.3V(default) 5-6 On User's Manual | EHL556... -
Page 15: Rear I/O Ports
4 x USB 2.0 internal ports, box headers (USB 4/5/6/7) The Wake-On-USB Keyboard/Mouse function allows you to use a USB keyboard or USB mouse to wake up a system from the S3 (STR - Suspend To RAM) state. User's Manual | EHL556... -
Page 16: Graphics Interfaces
The VGA port which carries video signals is used to connect a LCD monitor that has the VGA port. • 1 VGA port DP++ M.2 B Key (Option) mini-PCIe M.2 E Key COM 1 2230 COM 2 USB 6-7 USB 4-5 User's Manual | EHL556... -
Page 17: Rj45 Lan Ports
The front audio connector allows you to connect to the second line-out and mic-in jacks that work hub. are at the front panel of your system. Function Function MIC2-L AGND_AUDIO MIC2-R N.C. LINE2-R MIC2-JD AGND_AUDIO LINE2-L LINE2-JD User's Manual | EHL556... -
Page 18: Sata (Serial Ata)
ATA cable to a SATA connector and the other end to your Serial ATA device. Features • 1 Serial ATA 3.0 ports with data transfer rate up to 6Gb/s • Integrated Advanced Host Controller Interface (AHCI) controller User's Manual | EHL556... -
Page 19: Com (Serial) Ports
(8bit GPIO Pinout) (RS232) Function Function Function Function DIO6 DIO4 MDCD2- MSIN2- DIO5 DIO3 MSO2- MDTR2- DIO1 MDSR2- DIO2 DIO0 MRTS2- MCTS2- DIO7 ---- MRI2- N.C. *Change COM2 to 8bit GPIO is available in different part number. User's Manual | EHL556... -
Page 20: Cooling Fan Connectors
COM 2 USB 6-7 USB 4-5 These fan connectors are used to connect cooling fans. The cooling fans will provide adequate airflow throughout the chassis to prevent overheating the CPU and system board components. Function SYSFANIN SYSFANOUT User's Manual | EHL556... -
Page 21: Front Panel
Power On Suspend) state, it will blink at 1-second intervals. When the system is in the S3 (STR - Suspend To RAM) state, it will blink at 4-second intervals. USB2_6_C_P USB2_7_C_P Power Button This button is used to switch the system's power on or off . User's Manual | EHL556... -
Page 22: Expansion Slots
Install Mini-PCIe cards such as network cards or other expansion cards. Stand-off Notch M.2 Socket The M.2 socket is the Next Generation Form Factor (NGFF) which is designed to support mul- tiple modules and make the M.2 more suitable in application for solid-state storage. User's Manual | EHL556... -
Page 23: Battery Header
Safety Measures mounted. • There exists explosion hazard if the battery is incorrectly installed. • Replace only with the same or equivalent type recommended by the manufacturer. • Dispose of used batteries according to local ordinances. User's Manual | EHL556... -
Page 24: Lvds Backlight
LVDSA_LANE2_N LVDSB_LANE2_N M.2 B Key (Option) LVDSA_LANE1_P LVDSB_LANE1_P LVDSA_LANE1_N LVDSB_LANE1_N mini-PCIe LVDSA_LANE0_P LVDSB_LANE0_P M.2 E Key COM 1 2230 LVDSA_LANE0_N LVDSB_LANE0_N COM 2 USB 6-7 USB 4-5 LVDSA_CLK_P LVDSB_CLK_P LVDSA_CLK_N LVDSB_CLK_N LVDS_DDC_CLK LVDS_DDC_DATA LVDS_3V3 LVDS_PANEL_PWR LVDS_PANEL_PWR User's Manual | EHL556... - Page 25 Chapter 2 HARDWARE INSTALLATION ► Internal I/O Connectors Function INV_P WR INV_P WR INV_P WR INV_P WR DIMMING_1 BLONOFF_1 eDP_HPD_CN LCD_BIST LVDS_PANEL_PWR LVDS_PANEL_PWR eDPB_AUXN eDPB_AUXP eDPB_LANE0_C_P eDPB_LANE0_C_N eDPB_LANE1_C_P eDPB_LANE1_C_N LCD_CABC User's Manual | EHL171/173...
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Page 26: Chapter 3 - Bios Settings
“Reset” button. You may also additional options are available for that field. To display the submenu, move the highlight to restart the system by pressing the <Ctrl> <Alt> and <Del> keys simultaneously. that field and press <Enter>. User's Manual | EHL556... -
Page 27: Main
The time format is <hour>, <minute>, <second>. The time is based on the 24-hour military-time clock. For example, 1 p.m. is 13:00:00. Hour displays hours from 00 to 23. Minute displays min- utes from 00 to 59. Second displays seconds from 00 to 59. User's Manual | EHL556... -
Page 28: Rc Acpi Configuration
This field is to specify what state the system should be in when power is re-applied after a power failure (G3, the mechanical-off, state). Note: Some of the fields may not be available when the features are not supported by the equipped CPU. User's Manual | EHL556... -
Page 29: Power & Performance
This field is used to enable or disable the ME FW Image Re-Flash function, which allows C states the user to update the ME firmware. Enable or disable CPU Power Management. It allows CPU to enter "C states" when it’s idle and nothing is executing. User's Manual | EHL556... -
Page 30: Trusted Computing
Backlight Type Select the backlight type of the LCD Panel — Normal + PWM Normal + DC Note: The configuration must match the specifications of your LCD Panel in order for the LCD Panel to display properly. User's Manual | EHL556... -
Page 31: Nct5525D Super Io Configuration
SuperIO WatchDog Timer Electrical Interface Mode Set SuperIO WatchDog Timer Timeout value. The range is from 0 (disabled) to 255. Choose mode between RS232 / RS485 / RS422 Note: The sub-menus are detailed in following sections. User's Manual | EHL556... -
Page 32: Nct5525D Hw Monitor
▼ SYS Smart Fan/CPU Smart Fan Control = [Disabled] Fix Fan Speed Count Set the fan speed, the value ranging from 1-100%, 100% being full speed. The fans will al- ways operate at the specified speed regardless of gauged temperatures. User's Manual | EHL556... -
Page 33: Serial Port Console Redirection
Select data bits: 7 bits or 8 bits. Parity Select parity bits: None, Even, Odd, Mark or Space. Stop Bits Select stop bits: 1 bit or 2 bits. Flow Control Select flow control type: None or Hardware RTS/CTS. User's Manual | EHL556... -
Page 34: Usb Configuration
F2: Previous Values F9: Optimized Defaults F10: Save & Exit ESC: Exit Version 2.22.1282. Copyright (C) 2022 AMI XHCI Hand-off Enable or disable XHCI Hand-off. USB Mass Storage Driver Support Enable or disable USB Mass Storage Driver Support. User's Manual | EHL556... -
Page 35: Network Stack Configuration
Set the wait time in seconds to press ESC key to abort the PXE boot. Use either +/- or numeric keys to set the value. Media detect count Set the number of times the presence of media will be checked. Use either +/- or numeric keys to set the value. User's Manual | EHL556... -
Page 36: Chipset
1: Makes all requests none protected and ignore range checks. +/- : Change Opt. F1: General Help F2: Previous Values 2: Makes all requests protected and ignore range checks. F9: Optimized Defaults F10: Save & Exit ESC: Exit Version 2.22.1282. Copyright (C) 2022 AMI User's Manual | EHL556... - Page 37 F9: Optimized Defaults F10: Save & Exit ESC: Exit Version 2.22.1282. Copyright (C) 2022 AMI Primary Display Select which of IGFX/PEG/PCI Graphics device to be the primary display. Internal Graphics Keep IGFX enabled based on the setup options. User's Manual | EHL556...
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Page 38: Pch-Io Configuration
Select PCIe Speed of the current port — AUTO, Gen1, Gen 2, or Gen3. Gen 3 is only available for the PCIE1 port. This field may not appear when the speed of the port is not configurable. User's Manual | EHL556... - Page 39 Disabled HDA will be unconditionally disabled. The mode selection determines how the SATA controller(s) operates. • Enabled HDA will be unconditionally enabled. • AHCI This option allows the Serial ATA controller(s) to use AHCI (Advanced Host Controller Interface). User's Manual | EHL556...
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Page 40: Security
Secure Boot. Press Enter and a prompt will show up for you to confirm. Reset To Setup Mode Clear the database from the NVRAM, including all the keys and signatures installed in the Key Management menu. Press Enter and a prompt will show up for you to confirm. User's Manual | EHL556... - Page 41 Export the Secure Boot settings (i.e. all keys and signatures) as files to the root directory of a file system device. Press Enter and select a storage device listed in the pop-up menu. The saved files will be named automatically according to the type of key/signature as listed below. User's Manual | EHL556...
- Page 42 Select this option to save BIOS configuration settings to a USB flash device. ► Restore Setting from file This field will appear only when a USB flash device is detected. Select this field to restore set- ting from the USB flash device. User's Manual | EHL556...
- Page 43 When the BIOS IC needs to be replaced, you have to populate it properly onto the system board after the EEPROM programmer has been burned and follow the technical person's instructions to confirm that the MAC address should be burned or not. User's Manual | EHL556...
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