Lilliput UM-70 (7" USB Display, Mini Monitor)

I/O Liliput, Monitor, USB

Lilliput UM-70 (7" USB Display, Mini Monitor)
Linux compatibility:
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Lilliput UM-70 
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Minimum: $ 98.00 
Maximum: $ 99.00  
Updated: 22/07/2016 18:57

Review of Linux Compatibility

The Liliput UM-70 is a small 7inch monitor, which is connected via USB. Also the power supply of the display is done via USB.

The USB monitor has the USB ID 17e9:02a9

Bus 002 Device 003: ID 17e9:02a9 Newnham Research

and is automatically recognized and initialized by the Linux kernel (at least since at least Ubuntu 10.04 and Linux kernel version 2.6.32-21).

The display is accessed via the framebuffer driver:

usb 2-2: new high speed USB device using ehci_hcd and address
usb 2-2: configuration #1 chosen from 1 choice
udlfb: module is from the staging directory, the quality is unknown, you have been warned.
DisplayLink device attached
ret control msg 0: 4 1500fffffff1
EDID XRES 800 YRES 480
INIT VIDEO 0 800 480
ret control msg 1 (STD_CHANNEL): 16
ret bulk 2: 156 156
ret bulk 3: 0
found valid mode…34482
screen base allocated !!!
colormap allocated
usbcore: registered new interface driver udlfb
VMODES initialized

and normally shows the Linux console. It is also possible to start a X-Server on the monitor but additional configuration is necessary for this. This configuration allows to run a Linux desktop with an resolution of 800×400 dpi on the Liliput UM-70:

Screen 0: minimum 320 x 200, current 800 x 480, maximum 800 x 480
LILLIPUT USB Mo connected 800×480+0+0 (0×40) normal (normal) 160mm x 230mm
Identifier: 0x3f
Timestamp:  4787185
Subpixel:   horizontal rgb
Clones:
CRTC:       0
CRTCs:      0
Transform:  1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff0031900120eb030000
2013010380101778ca54548f54599726
cb545400000001010101010101010101
010101010101540b208030e02d102830
7304000000000018000000fd00374118
2905000a202020202020000000fc0055
5342204d6f6e69746f720a0a00000010
00000000000000000000000000000028
800×480 (0×40)   29.0MHz -HSync -VSync *current +preferred
h: width   800 start  840 end  888 total  928 skew    0 clock   31.2KHz
v: height  480 start  503 end  506 total  525           clock   59.5Hz

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Comments

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