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ITX Series of Motherboards
User Manual
The model you have chosen is
LR-J1900L1
REV:1.0
DATE ：2018/06/25
REALAN COMPUTER PRODUCTS LIMITED
1
Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road
NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China
TEL: +86 755-26996161
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Summary of Contents for Realan E-mini ITX Series
- Page 1 User Manual The model you have chosen is LR-J1900L1 REV:1.0 DATE ：2018/06/25 REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161...
- Page 2 PS/2 and OS/2 are the registered trademarks of International Business Machines. Windows®98/2000/7/8.1/10 and Microsoft® is the registered trademark of Microsoft. REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
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Page 3: Security Guidance
Items list Thanks for purchasing Realan LR-J1900 series Mainboard. Please check if the packing box is intact. If it is broke or short of some accessories, please contact the suppliers. 1, One LR-J1900L1 Mainboard... -
Page 4: Table Of Contents
2.2.19 LPT Interface (LPT)....…................18 Chapter III Driver Installation....…..............20 3.1 Intel ME driver installation...............…....20 REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... - Page 5 Attachment 1: troubleshooting....…..............24 Attachment 2: common problems and solutions....…........26 Attachment 3: how to upgrade BIOS....…............28 REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
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Page 6: Chapter 1 Introduction To Motherboard
1*SATA interface,1*LPT print interface,1*SPDIF pin,1*PS/2 pin 1*CIR pin. Power supply mode: the motherboard adopts 12V DC power supply mode. REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... -
Page 7: Motherboard Interface Diagram
1.1 Motherboard interface diagram Motherboard front REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 8: Motherboard Specifications
Support LINUX 170mm*170mm specifications Working -15℃-60℃ environment 0%-96% relative humidity, no condensation REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 9: Motherboard Rear I/O Panel
The rear panel of the motherboard supports 1 DC_IN, 1*LAN, 1*VGA,1 USB3.0, 3*USB2.0, 1*HDMI, 1*HP_OUT and 1*MIC_IN 1.4 Motherboard Layout Diagram REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... -
Page 10: Chapter Ii Board Jumper And Interface Setup Instructions
LCD screen, the jumper is set as follows: Set state 12V available REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 11: Auto_On1Selected Jumper
Power-on function on the hardware, the Auto_set pin jumper is set as follows: Set state NORMAL（default） Hardware automatic power on REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 12: Motherboard Interface Installation Instructions
The COM port is defined as follows: Pin definition Definition REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 13: Com1/Com2 Interface Functional Status Selection Jumper (Com1_9/Com2_9)
VGA/VGA_H1+HDMI/JHDMI Synchronous/asynchronous dual display HDMI/JHDMI+LVDS Synchronous/asynchronous dual display VGA/VGA_H1+LVDS Synchronous/asynchronous dual display REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 14: Lvds Pin Definition
LVDS VCC 3.3V LVDS VCC 2.2.9 INVERT Pin Definition (LVDS Backlight Control Interface) REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 15: Lvds Resolution Setting
VGA_HSYNV VGA_BLUE VGA_RED DDC_DATA DDC_CLK 2.2.12 HDMI Interface Pin Pin Definition (JHDMI) REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 16: Amplifier Pin Definition (Speaker)
Wake on LAN / Modem may not be realized. 4pin ATX_PWR power connector pins as listed below: definition definition description REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... -
Page 17: Key E Slot Introduction
F_AUDIO1 pin pins are defined as follows: REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... -
Page 18: Lpt Interface (Lpt)
The motherboard provides a set of LPT print interface pins with the following pin definitions: definition definition LTP STB REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161... - Page 19 Power switch SYS_RST# Reset switch Ground 3.3V 3.3V Voltage 3.3V Empty link REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL: +86 755-26996161...
- Page 20 REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
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Page 21: Chapter Iii Driver Installation
3) After the installation is complete, select "Yes" in the restart option and click "Finish" to restart the computer and the driver will load automatically. REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... -
Page 22: Graphics Card Driver Installation
“HD Audio” configuration setting window as follows: REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... - Page 23 2. Click to select the "Trumpet Configuration" window and select (4/5.1 channel) in a check box in the screen that appears, as follows: REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
- Page 24 The function of each interface easy color is correct, ie: ◆ Yellow-green interface marked with front speakers ◆ Pink interface marked with microphone REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
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Page 25: Attachment 1: Troubleshooting
CPU and connected to the the slot? power connector exclud REALAN COMPUTER PRODUCTS LIMITED Insert the display Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... - Page 26 Try restarting it again The end REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL:+86 755-26996161 FAX:+86 755-26996161-860...
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Page 27: Attachment 2: Common Problems And Solutions
Answer: the following are the continuous drip interpretation tables of Award BIOS and AMI BIOS respectively for reference only: REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China... - Page 28 9 short: ROM error 10 short: CMOS read-write error 11 short: cache error REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China TEL:+86 755-26996161 FAX:+86 755-26996161-860...
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Page 29: Attachment 3: How To Upgrade Bios
2) run the application and backup the original BIOS file; 3) refresh the BIOS, whose command is fpt-f < new BIOS filename >. REALAN COMPUTER PRODUCTS LIMITED Add: 7th floor, Bldg.7, South Block 2 of Zhongguan Industrial Zone, Liuxian Road NO.1213, Taoyuan Street, Nanshan District, Shenzhen 518055, China...
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