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Summary of Contents for Commell LE-37R
- Page 1 LE-37R 3.5 inch Motherboard User’s Manual Edition 1.2 2023/01/31...
- Page 2 LE-37R User’s Manual Copyright Copyright 2022, 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-37R User’s Manual Packing List: Please check the package content before you starting using the board. 1 x LE-37R 3.5 inch Miniboard 1 x SATA Power Cable (Include cooler fan) (OALSATA15-2PJ / 1040613) 1 x Audio cable 1 x Dual COM cable...
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Page 4: Table Of Contents
LE-37R 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>.........8 2.2 <Memory Setup>..............9... -
Page 5: Chapter 1
Chapter 1 <Introduction> 1.1 <Product Overview> LE-37R is a 3.5” Motherboard which supports Alder Lake/12th Gen P Processors, integrated Intel® Xe Graphics, DDR5 memory, Realtek High Definition Audio, Intel Gigabit LAN, USB3.2 Gen2, SATA3, Type C with AHCI function for a system. -
Page 6: Product Specification
LE-37R User’s Manual 1.2 <Product Specification> System Processor Intel® Alder Lake P Processor FCBGA1744 package Memory 2 x DDR5 SO-DIMM up to 4800 MHz 64GB, Support Non-ECC, unbuffered memory Watchdog Timer Generates a system reset with internal timer for 1min/s ~ 255min/s... -
Page 7: Block Diagram
LE-37R User’s Manual 1.3 <Block Diagram> PTN3460 DDR5 SODIMM DDR5 SODIMM LVDS 1 x M.2 KEY M 2280 Alder Lake P HDMI 1 x M.2 KEY M 2280 Processor HDMI / DVI 1 x PCIe X16 Slot HDMI / DVI... -
Page 8: Chapter 2
LE-37R User’s Manual Chapter 2 <Hardware setup> 2.1 <Connector Location and Reference> DC_OUT CN_AUDIO SATA2 SATA1 CN_INV CPUFAN CN_LVDS CN_USB M2_NVME2 CN_DIO CN_DVI/HDMI2 CN_DVI/HDMI1 CN_COM3/4 MPX_H M2_KEYE CN_COM1/2 M.2 KEY E M2_NVME1 JFRNT DC_IN CN_SMBUS CN_SPKR CN_BAT SYSFAN... -
Page 9: Internal Connectors List
LE-37R User’s Manual RJ45-2 USB3-1 RJ45-3 RJ45-1 HDMI-DP Type C USB3-2 2.1.1 <Internal connectors list> Connector Function DDR5_A/B 262-pin DDR5 SO-DIMM slot SATA1/2 7-pin SATA3 connector CN_AUDIO 5 x 2-pin audio pin header CN_LVDS 20 x 2-pin LVDS connector CN_INV... -
Page 10: Memory Setup
LE-37R User’s Manual 2.2 <Memory Setup> LE-37R has 262-pin DDR5 SODIMM support up to 64GB 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: Jumper Location And Reference
LE-37R User’s Manual 2.3 <Jumper Location and Reference> JVLCD JMSATA JRTC 2.3.1 <Jumper list> DC_I Jumper Function Power mode select JRTC CMOS Normal/Clear Setting JVLCD Panel Voltage Setting JMSATA MiniCard mSATA Setting CN_I COM1 Voltage Setting (For Pin 9) COM2 Voltage Setting (For Pin 9) -
Page 12: Clear Cmos And Power On Type Selection
LE-37R 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: I/O Interface
LE-37R User’s Manual 2.4 <I/O interface> 2.4.1 <Serial ATA interface> SATA 1/2 : SATA3 7-pin connector SATA2 SATA1 Signal -12-... -
Page 14: Ethernet Interface
LE-37R User’s Manual 2.4.2 <Ethernet interface> The board provides I219-LM Gigabit Ethernet which supports WOL on rear I/O. It supports Intel® AMT 16.0 feature on I219-LM. (Note that the CPU must support vPro technology.) I226 I226 I219 2.4.3 <Display interface>... - Page 15 LE-37R User’s Manual CN_INV CN_LVDS JVLCD 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-...
- Page 16 LE-37R User’s Manual CN_INV: LVDS 5-pin Backlight power connector Signal Backlight Control Enable Backlight JVLCD: LVDS panel power select jumper Jumper settings Function 3.3V (Default) CN_DVI/HDMI1/2 : DVI or HDMI connector Jumper settings Function Jumper settings Function TMDS Data2+ TMDS Data2–...
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Page 17: Serial Port Interface
LE-37R User’s Manual 2.4.4 <Serial Port interface> CN_COM3/4 CN_COM1/2 CN_COM1/2: RS232/422/485 20-pin header (Pitch 2.54 x 1.27mm) Signal Signal DCD1/ 422TX-/ 485- RXD1/ 422TX+/ 485+ TXD1 DTR1 DSR1/ 422RX+ RTS1 CTS1/ 422RX- Set by JP1 DCD2/ 422TX-/ 485- RXD2/ 422TX+/ 485+... - Page 18 LE-37R User’s Manual CN_COM1/2 RS-232/422/485 can set by BIOS. You can find the setting from Advanced-> Motherboard Advanced menu-> Super IO configuration-> Serial Port configuration->Interface If you want to use RS485, please follow below step before connection. . COM1 RTX- Data- : short Pin1& Pin8 COM1 RTX+ Data+ : short Pin2&...
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Page 19: Usb Interface & Type C
LE-37R User’s Manual 2.4.5 <USB interface & Type C > CN_USB USB3.2 Gen2 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 3.1 gen2 and DP Alt. mode, and provides 5V at 3A. -
Page 20: Audio Interface
LE-37R 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 Audio Amplifier Signal Signal FP_OUT_L_P FP_OUT_L_N JD_Front FP_OUT_R_P FP_OUT_R_N -19-... -
Page 21: Expansion Slot
LE-37R User’s Manual 2.4.7 <Expansion slot> JMSATA M2_NVME2 MPX_H M2_KEYE M.2 KEY E M2_NVME1 MPX_H support mSATA by JMSATA, and connect SIM card M.2_NVME1 /2 support PCIe Gen4 M2_KEYE support WI-FI and Bluetooth Module JMSATA: Setting MPX_H to support PCIe/mSATA... -
Page 22: Front Panel Switch And Indicator
LE-37R User’s Manual 2.4.8 <Front panel switch and indicator> JFRNT JFRNT: Front panel switch and indicator 10-pin header Signal Signal Power_ON- Power_ON+ Speaker- Speaker+ HDD_LED- HDD_LED+ Power_LED- Power_LED+ Reset+ Reset- -21-... -
Page 23: Gpio And Other Interface
LE-37R User’s Manual 2.4.9 <GPIO and Other interface> CPUFAN CN_DIO CN_SMBUS SYSFAN -22-... - Page 24 LE-37R User’s Manual 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. GPIO DC characteristics (open drain mode) Parameter UNIT Conditions Input Low Voltage...
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Page 25: Power Supply
LE-37R 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 -24-... -
Page 26: Appendix A
LE-37R User’s Manual Appendix A <Flash BIOS> A.1 <Flash tool> The board is based on Phoenix BIOS and can be updated easily by the BIOS auto flash tool. You can download the tool online at the address below: FPT Tool The tool’s file name is “FPT.exe”, it’s the utility that can write the data into the... -
Page 27: Appendix B
LE-37R User’s Manual Appendix B <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 28: Appendix C
LE-37R User’s Manual Appendix C <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 29 LE-37R 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...
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Page 30: Appendix D
LE-37R User’s Manual Appendix D <Hardware Monitor> Find the setting from Advanced-> Motherboard Advanced menu-> Super IO configuration-> Hardware Monitor -29-... -
Page 31: Appendix E
LE-37R User’s Manual Appendix E <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 10 ;activate GPIO function (The board use GPIO4) -
Page 32: Contact Information
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. -31-...
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