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Commell LE-37T User Manual

3.5 inch motherboard
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LE-37T
3.5 inch Motherboard
User's Manual
Edition 1.01
2025/04/01

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Summary of Contents for Commell LE-37T

  • Page 1 LE-37T 3.5 inch Motherboard User’s Manual Edition 1.01 2025/04/01...
  • Page 2 LE-37T User’s Manual Copyright Copyright 2025, all rights reserved. This document is copyrighted and all rights are reserved. The information in this document is subject to change without prior notice to make improvements to the products. This document contains proprietary information and protected by copyright. No part of this document may be reproduced, copied, or translated in any form or any means without prior written permission of the manufacturer.
  • Page 3 LE-37T User’s Manual Packing List: Please check the package content before you starting using the board. 1 x LE-37T 3.5 inch Miniboard 1 x SATA Power Cable (Include Heat spreader) (OALSATA15-2PJ / 1040613) (Optional) (Cooler fan for LE-37TX8) 1 x Audio cable...
  • Page 4 LE-37T User’s Manual Index Chapter 1 <Introduction>............... 4 1.1 <Product Overview> ............4 1.2 <Product Specification> ............5 1.3 <Block Diagram> ..............6 Chapter 2 <Hardware setup> ............7 2.1 <Connector Location and Reference> ........ 7 2.1.1 <Internal connectors list> .......... 8 2.1.2 <External connectors list>...
  • Page 5 Chapter 1 <Introduction> 1.1 <Product Overview> LE-37T is a 3.5” Motherboard which supports Atom™ Processor X Series, integrated Intel® Graphics, DDR5 memory, Realtek High Definition Audio, Intel Gigabit LAN, USB3.2 Gen2, SATA3, Type C with AHCI function for a system.
  • Page 6 LE-37T User’s Manual 1.2 <Product Specification> System Processor Intel® Atom™ Processor X Series(Amston Lake) FCBGA1264 package Memory 1 x DDR5 SO-DIMM up to 4800 MHz 32GB, Support Non-ECC, unbuffered memory Watchdog Timer Generates a system reset with internal timer for 1min/s ~ 255min/s...
  • Page 7 LE-37T User’s Manual 1.3 <Block Diagram> PTN3460 DDR5 SODIMM LVDS DP ++ Atom™ HDMI 1 x M.2 KEY M 2280 Processor X Series 1 x SATA Type C USB3.2 I226 I226 1 x M.2 2230 2 x USB3.2 Gen2 1 x ALC888S 2 x USB2.0...
  • Page 8 LE-37T User’s Manual Chapter 2 <Hardware setup> 2.1 <Connector Location and Reference> JFRNT CN_LVDS SATA CN_USB CN_AUDIO CN_INV DC_OUT CPUFAN CN_ SMBUS CN_ COM1/2 CN_COM3/4 M2_KEYE CN_COM5/6 M.2 KEY E M2_NVME DC_IN CN_BAT CN_DIO CN_SPKR SYSFAN...
  • Page 9 LE-37T User’s Manual Type C HDMI RJ45-2 RJ45-1 2.1.1 <Internal connectors list> Connector Function DDR5 262-pin DDR5 SO-DIMM slot SATA 7-pin SATA connector CN_AUDIO 5 x 2-pin audio pin header CN_LVDS 20 x 2-pin LVDS connector CN_INV 5-pin LCD inverter connector...
  • Page 10 LE-37T User’s Manual 2.2 <Memory Setup> LE-37T has 262-pin DDR5 SODIMM support up to 32GB of memory capacity and 1.1 Voltage. Only Non-ECC memory is supported. In the process, the board must be powered off. 1. Put the memory tilt into the slot. Note the Memory notch key aligned slot key.
  • Page 11 LE-37T User’s Manual 2.3 <Jumper Location and Reference> JVLCD JRTC 2.3.1 <Jumper list> Jumper Function Power mode select JRTC CMOS Normal/Clear Setting JVLCD Panel Voltage Setting COM1 Voltage Setting (For Pin 9) COM2 Voltage Setting (For Pin 9) -10-...
  • Page 12 LE-37T User’s Manual 2.3.2 <Clear CMOS and Power on type selection> JRTC JAT: AT/ATX mode select jumper Jumper settings Function AT mode ATX mode (Default) JRTC: Clear CMOS data jumper Jumper settings Function Clear CMOS Normal (Default) -11-...
  • Page 13 LE-37T User’s Manual 2.4 <I/O interface> 2.4.1 <Serial ATA interface> SATA : SATA 7-pin connector SATA Signal -12-...
  • Page 14 LE-37T User’s Manual 2.4.2 <Ethernet interface> The board provides I226 2.5Gigabit Ethernet which supports WOL on rear I/O. I226 I226 2.4.3 <Display interface> Based on the Atom™ CPU (X Series Platform) with built-in Intel® UHD Graphics, the DisplayPort ++ resolution up to 4096x2160 @ 60Hz, the HDMI up to 3840x2160 @ 24Hz , the Type-C(DP Alt.
  • Page 15 LE-37T User’s Manual CN_LVDS: LVDS 40-pin connector ( Model: HIROSE DF13-40DP-1.25V compatible Signal Signal Set by JVLCD Set by JVLCD Detect (Active low) A_LVDS_0- B_LVDS_0- A_LVDS_0+ B_LVDS_0+ A_LVDS_1- B_LVDS_1- A_LVDS_1+ B_LVDS_1+ A_LVDS_2- B_LVDS_2- A_LVDS_2+ B_LVDS_2+ A_LVDS_CLK- B_LVDS_3- A_LVDS_CLK+ B_LVDS_3+ A_LVDS_3-...
  • Page 16 LE-37T User’s Manual 2.4.4 <Serial Port interface> CN_COM1/2 CN_COM3/4 CN_COM5/6 CN_COM1/2: RS232/422/485 20-pin header (Pitch 2.54 x 1.27mm) Signal Signal DCD1/ 422TX-/ 485- RXD1/ 422TX+/ 485+ TXD1/ 422RX+ DTR1/ 422RX- DSR1 RTS1 CTS1 Set by JP1 DCD2/ 422TX-/ 485- RXD2/ 422TX+/ 485+...
  • Page 17 LE-37T User’s Manual JP1, JP2: COM1, COM2 pin-9 setting Effective patterns of connection: Jumper settings Function 1-2 / 3-4 / 5-6 Other may cause damage RI (Default) CN_COM3/4: RS232 20-pin header (Pitch 2.54 x 1.27mm) Signal Signal DCD3 RXD3 TXD3...
  • Page 18 LE-37T User’s Manual 2.4.5 <USB interface & Type C > CN_USB Type C USB3.2 Gen2 CN_USB: USB2.0 10-pin header (Pitch 2.54 mm) Signal Signal 5VSB 5VSB DATA0- DATA1- DATA0+ DATA1+ Type C supports USB 3.2 Gen2 and DP Alt. mode, and provides 5V at 3A.
  • Page 19 LE-37T User’s Manual 2.4.6 <Audio interface> CN_AUDIO CN_SPKR 2.54*1.27 CN_AUDIO: Front panel audio 10-pin header (Pitch Signal Signal MIC_L MIC_R FP_OUT_R MIC_DETECT SENSE FP_OUT_L FP_OUT_DETECT CN_SPKR: 6-pin Two channel Speaker_Out with Amplifier Signal Signal FP_OUT_L_P FP_OUT_L_N JD_Front FP_OUT_R_P FP_OUT_R_N -18-...
  • Page 20 LE-37T User’s Manual 2.4.7 <Expansion slot> M2_KEYE M.2 KEY E M2_NVME M2_KEYE with 1 x PCI Express x1 support WI-FI and Bluetooth Module M.2_NVME support Gen3 PCIe x2 2.4.8 <Front panel switch and indicator> JFRNT JFRNT: Front panel switch and indicator 10-pin header...
  • Page 21 LE-37T User’s Manual 2.4.9 <GPIO and Other interface> CPUFAN CN_SMBUS CN_DIO SYSFAN When using GPIO function, please note: As Output: Open-drain, most applications need use an external pull up resistor. (If not may cause damage) As Input: TTL-level. -20-...
  • Page 22 LE-37T User’s Manual GPIO DC characteristics (open drain mode) Parameter UNIT Conditions Input Low Voltage Input High Voltage Output Low Voltage =12mA μ Input High Leakage =3.3V μA Input Low Leakage Please refer to Appendix D to program the configuration register CN_DIO: GPIO 12-pin header (Pitch 2.00mm)
  • Page 23 LE-37T User’s Manual 2.5 <Power supply> 2.5.1 <Power input> DC_IN DC_IN: Terminal block 2-pin power connector Signal Signal DC input 9~35V 2.5.2 <Power Output> DC_OUT DC_OUT: SATA power 4-pin connector Signal -22-...
  • Page 24 LE-37T User’s Manual Appendix A <LCD Panel Type select> According your panel, it needs to select the correct resolution in the BIOS. If there is no fit your panel type, please feedback for us to make OEM model. Find the setting from Advanced->Motherboard Advanced menu->LVDS Configuration...
  • Page 25 LE-37T User’s Manual Appendix B <Programmable Watch Dog Timer> The watchdog timer makes the system auto-reset while it stops to work for a period. The integrated watchdog timer can be setup as system reset mode by program. You can select Timer setting in the BIOS, after setting the time options, the system will reset according to the period of your selection.
  • Page 26 LE-37T User’s Manual Program sample Watchdog timer setup as system reset with 5 second of timeout -o 4E 87 ;enter configuration -o 4E 87 -o 4E 07 -o 4F 08 ;select Logical Device -o 4E 30 -o 4F 01 ; activate WDTO# function -o 4E F0 ;set “00”...
  • Page 27 LE-37T User’s Manual Appendix C <Hardware Monitor> Find the setting from Advanced-> Motherboard Advanced menu-> Super IO configuration-> Hardware Monitor -26-...
  • Page 28 LE-37T User’s Manual Appendix D <Programmable GPIO> The GPIO can be programmed with the MS-DOS debug program using simple IN/OUT commands. GPIO -o 4E 87 ;enter configuration -o 4E 87 -o 4E 07 -o 4F 07 ;select Logical Device -o 4E 30 -o 4F 18 ;activate GPIO function (The board use GPIO3)
  • Page 29 Taiwan Commate computer Inc. 19F., NO.94, Sec. 1, Xintai 5 Rd., Xizhi Dist., New Taipei Address City 22102, Taiwan. +886-2-26963909 Website www.commell.com.tw info@commell.com.tw (General information) E-mail tech@commell.com.tw (Technical Support) Commell is a brand name of Taiwan Commate computer Inc. -28-...

This manual is also suitable for:

Le-37tx8Le-37tx4