WELCOME TO ELECREALM store Product Description HDR Freesync 2xHDMI+2xDP Driver Board for 3840x2160 23.8inch LCD LM238WR2 LM238WR3 27.0inch LCD LM270WR2-SPA1 LM270WR2-SPA2
---The power adapter for the board is DC+12V 5.0A~8.0A.
---12V DC Adapter(with 5.5x2.5 male connector. The plug of the power cord is American standard):
https://www..com/itm/402313739186
---Programmer for upgrading the firmware of this controller board of LVDS LCD:
https://www..com/itm/193462681438 The DIY kits suitable for the following 3840x2160 4K LCD Model: LM238WR2-SPA1 LM238WR3-SSB1 LM270WR2-SPA1 LM238WR2-SPB1 LM270WR2-SPA2 LM238WR2-SPD1 LM270WR3-SSA3 LM270WR3-SPA1 LM270WR3-SSA1 LM270WR4-SSA1 LM270WR5-SSA1 LM270WR5-SSB1
---USB 3.0 to Displayport 4k adapter or HDMI-TO-DP adapter cannot be used as signal source for my this board+LCD. My this items cannot be fit for USB 3.0 to Displayport 4k adapter or HDMI-TO-DP adapter and it only can be connected to DP interface of the graphic card on the computer or notebook/laptop.
---The HDMI-TO-DP cable also cannot be used for this listing DP board+LCD.
---Via HDMI cable connected to Raspberry Pi 3, the controller board+LCD works very well on the Raspberry Pi 3 with the following resolutions: 1920x1080 @ 50Hz and 3840x2160 @ 24Hz! Content of the \"config.txt\" File on Raspberry: -------------------------------- disable_overscan = 1 hdmi_force_hotplug = 1 hdmi_ignore_edid = 0xa5000080 hdmi_group = 2 hdmi_mode = 87 Hdmi_cvt = 3840 2160 24 3 0 0 0 framebuffer_width = 3840 framebuffer_height = 2160 max_framebuffer_width = 3840 max_framebuffer_height = 2160 hdmi_pixel_freq_limit = 400000000 gpu_mem = 256 # Uncomment to force a HDMI mode rather than DVI. This can make audio work in # DMT (computer monitor) modes hdmi_drive = 2 # Enable audio (loads snd_bcm2835) dtparam = audio = on disable_camera_led = 1 start_x = 0 dtparam = i2c1 = on .
---USB 3.0 to Displayport 4k adapter or HDMI-TO-DP adapter cannot be used as signal source for my this board+LCD. My this items cannot be fit for USB 3.0 to Displayport 4k adapter or HDMI-TO-DP adapter and it only can be connected to DP interface of the graphic card on the computer or notebook/laptop.
The 4K HDR Freesync controller board function description: 1 Power in (DC 12V: 5.5x2.5)
6
Earphone out 2 HDMI in 7 Keyboard 3 HDMI in 8 Speaker out(2 X 10W(8Ω))
4
DP in 9
4Lane HRB eDP out
V-by-One 8 lane , Connector , 51 pins
5 DP in 10 and 11 LED backlight connector Board size LxWxH=149x85x12 mm The keyboard function description: 1 Remote receiver 5 - 2 Power on/off 6 + 3 LED(red/green)
7
Exit/Select
4
Menu/Confirm Package includes:
---1× HDR Freesync 2xHDMI+2xDP Mini Driver Board
---1× edp cable( length: 30cm)
---1× keyboard
---1× LCD\'s backlight cable
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