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Lecroy Wavepro 7Zi LCD panel connector description wanted / Win11 upgrade
bartver:
Hello all,
I'm looking for the pinout description of the LCD connectors on the graphics card of a WavePro 7Zi.
I decided to 'pimp' my wavepro 725Zi with a new mainboard.
Using an i3-13100 on a B760M MB with 16G ram and a NVME drive running Windows11 and the new Maui 10.5.0.4 software.
Swapped the mainboard, installed the software, and the scope is working (licenses and all) and is responding very good even with multiple math panels open, but.....
Only on an external monitor.
The original 'graphics card' actually is not a graphics card. It is a board with two Sil1364 chips, which are PCIe to DVI converters for the Intel CPU/Q35 chipset GMA 3100 graphics functions.
One of the Sil1364's goes to the external DVI connector, the second one to a LCD Panel controller (ST GM5621) that drives the LCD panel of the scope.
Obviously that PCIe board is useless in the new mainboard.
The plan is to connect a Displayport to DVI converter, and use another LCD controller to drive the panel. The panel reports as a NEC153, and although not confirmed, i think is a NL12876BC26-32D LCD panel.
I hope someone has more info on the connectors on the original PCIe adapter.
Bart
coromonadalix:
you have other lcd controller with hdmi inputs
https://www.aliexpress.com/item/969013681.html
the problems before anything else you need to know the horiz vertical frequencies etc ... of what you are using
or some buyers will ask you the specs and prepare the card directly for use
and the new card sometimes need to be programmed directly via the hdmi port, some may directly work and you set the specs like you need ??
bartver:
Correct,
I want to use displayport for two reasons - i want to keep my hdmi port free because the maui software supports a second screen and i have a nice hdmi monitor
Displayport to DVI is cheap and simple.
and i want to use this https://nl.aliexpress.com/item/1005006388430693.html
Which actually seems to support this display, at least the same size screen.
If no one has any specifications, analyzing and trying to figure out the signals is the only option.
Bart
coromonadalix:
you have some screen est software who can give you specs like pixels width height refresh etc ...
and once you have them you order the needed pcb who as the right interface for you
but as i told you normally they need programming to fit your lcd specs ... ask the seller
if possible, you should revert back all your mobo changes, test everything with the original cards to get your needed specs, maybe you acted too fast ...
and the screen properties in windows could have told you some specs ...
and for win 11 you gain nothing, win10 is way sufficient and more easy to control
so far the NL12876BC26-32D specs would give you this :
Diagonal Size (in) 15.3
Pixel Resolution 1280 x 768
https://www.data-modul.com/sites/default/files/products/NL12876BC26-32D-specification-12032987.pdf
and one problem is: do they use in 6 bit or 8 bit, you have to decode all the lvds connections, note the pinout
i think on your mobo i would have used an pcie splitter to get 2x pxie slots and smack the SIL XXXX cards
bartver:
Correct,
Found the info you refer to already.
The MB has 2x PCIe16 slots (one is x4). The interface card to the analog frontend is a x4 PCIe adapter.
The MB also lets me set the PCIe speed from PCIe v1 to v5, but auto setting works fine.
I used Win11 because the Win10 IOT LTSC image i have has no drivers for the new 13th generation cpu's
Did some trials with drivers from the Asrock MB website, and just did not bother testing more, win11 installed fine.
LTSC version has my preference, don't like updating all the time.
I reasssembled the scope to original already, indeed to analyze the signals.
Thanks for your input !!
Bart
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