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 
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
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
CRTC:       0
CRTCs:      0
Transform:  1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
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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Please use the comment section to submit corrections to the article as well as relevant excerpts of lspci, lsusb, lshw, dmesg e.t.c. Furthermore, use the section for the exchange of experiences with this hardware component or search for configuration help from other owners of this hardware.
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