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Giving some more pinouts here.
What I am thinking is disconnect pin 38 and 39 and connect the power in the end so even if the power supply have problems, it wouldn't damage the camera.

Some really interesting progress you've made. Let's see if you can take this further

Simply put, it is Toshiba 1.8" hard drive 50 pin CF adapter -> CE / 40 pin ZIF IDE ribbon cable -> JMicron 20330 ATA 150MB/s to SATA solution -> mSATA SSD (pictured here a Samsung PM830 256GB version).

The assembly was not successfully powered up by a USB3 CF card reader in computer. Plugged into the 5D2, the "format CF card" options posed up initially, then turn into a "CF ERR" on the top plate LCD. The cable stays flush through the card slot.

The SSD had been partitioned as Master Boot Record and formatted as FAT32 by restoring from another SanDisk 1067x CF card. Works fully through a USB3 to SATA bridge, has sequential read / write speed unto 400MB/s.

Two possible reasons for it to not work fully:
1. The camera's card slot only supplying 3.3V instead of 5V (yet the bridge should operate on 3.3V as well, so it might just be the SSD)
2. One side of the CF connector is not perfectly aligned with the slot, so it might have a electrical connection issue.

All components should be searchable on Amazon. The price of the 256GB SSD plus all the adapters is close to 1/2 of SanDisk Extreme Pro 1067x 64GB, so probably worth the risk.

Hate to break the silence, but this is probably the closest we have gotten so far...

@deanziyangyu

I see your video multiple times to understand what going wrong and finally a can replicate your problem.

There is one simple change you need to set:
Camera on, open Menu (Canon), go to the video settings and change PAL to NTSC.

Finished!

Another little think is, if you are in 5x zoom, don't press "+" again

@Reddeercity
In your newest version you can use preview option auto. It works while recording;) grayscale is not necessary.

Great! Except I am in NTSC mode already... Using PAL mode with crop_rec leads to multiple lockups and battery pulls on my camera.
Either way thank you so much for the help! I might just have to stick with a combination of FF and 3K shots.

[NO "AF"]

Here a simple picture tutorial https://www.magiclantern.fm/forum/index.php?topic=19336.msg218753#msg218753
2 thing I saw from your screen shots ,
1st: NO "AF" , there can not be any Auto Focusing enabled in Crop_Rec this a limitation with exception
every thing must be manual and that include top mode dial .

2nd: No Auto White balance , & you must have the shutter set to 1/48th !!

The 5D2 must always be in manual mode for ML Crop_Rec .

Thank you for your tips. I set Mode dial, WB and focusing to manual, and followed your tutorial again, but wasn't able to get 4096x590 on the menu however I try. I can only get shutter speed at either 1/45 or 1/50 using Expo. override or SS fine tuning. And the weird 3.02 crop and live view white bar still persist.
Although I have no use for it, I can neither make the camera record 48fps.
May be there is something special with my particular 5D2? Are every variant built the same?

[simply enabling 4k anamorphic mode on 5D2]

@deanziyangyu
Can you record a short smartphone movie from your ml settings and how you try to enable the Anamorphic mod?

Usually way is (fresh install) :
1. enable crop_re, mlv_rec and if you want mlv_snd module -> restart

2. Raw video (MLV) set to "on" and set shutterspeed to maybe 1/50 (not 1/8000 or so - > maybe don't work)

3. Open liveview, open ml menu, set resolutions to the highest value. Close ml - > simply press half shutter.

4. Press "+", open ml, crop rec is set to "off", now go to 4k Anamorphic. Half shutter.

5. Have fun

Finally got around to take some screenshots. Here is the video: https://imgur.com/SEoLdZS
I pressed "+" at 8 sec and it goes into x5 crop. At 17 sec, ML displays the aforementioned "To use this mode, exit ML menu and press the zoom button (set to x1)".
If I do nothing here and exit to live view to record a clip it looks like this: https://imgur.com/cge21XP To me it looked as if the leftmost and rightmost 1/3 is letterboxed off with the middle having a 1.33x vertical stretch, at the resolution of 2144px.
If I re-enter x1 mode as suggested by ML, a recording would looks like this: https://imgur.com/tKsmqXF This is like the the previous image but without the vertical stretch and at a lower resolution.
At this moment (30 sec) the Canon liveview looks as if the bottom is chopped off and the upper part having a 3x horizontal stretch; A ML screenshot here. https://imgur.com/hMCVdVa You can see a horizontally-stretched laptop.
If i re-enter video menu here I see the 1856px resolution with x3.02 crop: https://imgur.com/HbObcEp and no way of selecting higher resolution than this: https://imgur.com/CPgrb0t

My many attempts at simply enabling 4k anamorphic mode on 5D2 have had zero success. @reddeercity Would you hopefully shed some light here as well? I am using your December 31st build and I have tried many other builds as well.

[3.02]

Hello everyone, now that I have my hands on the 5Dii I would like some help on properly enabling the 3x1 anamorphic mode since it doesn't seem to work no matter what I try.

Build: crop_rec-4k3x1-2.8k24p_3x3-48p-all-centered_8.18pm-5D2-eXperimental.2019Dec31.5D2212.zip
What I did:
After enabling Raw Video (MLV) module, go into live view and toggle to 5x -> press half shutter -> press delete -> now I see 2144x1078
After that I Enable crop_rec and choose 3x1 4k anamorphic -> the option is greyed out and I am asked to go back to 1x mode in live view
That's when the live view goes horribly wrong with the top half showing a horizontally stretched image and bottom half sowing white space.
Now I press delete again -> RAW video MLV shows 1856x1044 but with a crop factor of 3.02. When I try to modify the resolution in the sub menu it says "4096 is not possible in current video mode (max 1856)"

My question is how do I manage to set 4096x590 in the RAW video MLV menu ? I followed the earlier posts in the thread and reddeercity's Youtube tutorial video but none of them worked. I also tried the the old CMOS[1] hi and CMOS [2] setting and also to no avail. I attempted this with basically all other builds with 3x1 4k built in as well.

In the pseudo-anamorphic mode I tried to record something and open in MlvApp. With a maximum horizontal resolution I can get at 1856px the image's left and right 1/3 are black, for the middle 1/3 only the top 1/2 has an actual output and the bottom 1/2 is white, just like in the live view.

Since I don't have access to imgur at this moment I will try to post some screenshots later, but please let me know if any of you have an idea of what is going on here.

[1x3 mode on the 5D2]

I don't have that one any more ,  I did fine another one but with 1x3 pixel instead of 3x1 pixel


50D_1x3_4128x1776_M04-2317_frame_4.png

525MB file 50D_1x3_1376x1776-M04-2317.MLV

quick grade in mlv app. then exported to mp4
50D_1x3_4128x1776_M04-2317.mp4

what the differences you may ask  ?
1x3 is in 5xZoom so no chance of aliasing & it's a horizontal stretch (1376x1776 = 4128x1776) which is a better mode
3x1 is 3x3 (FHD - Full HD) so vertical line skipping 4096x720 = 4096x2160) , not as good as 1x3 but still useable .
Will , the 100d has more advance features e.g. 10,12,14bit lossless compression
A working crop_rec module , it d5 camera the d4 camera's (50D & 5D2) are behind in development .

The 50D has faster storage (CF Card 80MB/s+) can record 10,12bit uncompressed raw video along with 14bit .
So it really depends on your needs for your projects , as I don't have a 100D I can't really give the best advice on this
do a forum search for 100D are see what others are saying about it .
Though if the 50D is cheap enough buy both , and use as a"B"Cam.

My main cam is 5D2 & the 50D is "B"Cam/backup , FYI.

Been following the thread for a while now and happily registered upon the news of 1x3 mode.
Wonderful progress on the 50D so far, reddeercity! Can't wait to try this when I get my 50D...

In the mean time I would like to hear about the progress on the 1x3 mode on the 5D2 since this is the only possible way to avoid the horrible moire in the 3x3 mode without compromising the crop factor "too much"... Correct me if I am wrong, but I think the camera bins horizontal pixels but skips vertical pixels in live view just like the Digic 5 cameras (except 5D3)?

Would like to hear from you about this! Also since I have some background in C and Arm assembly, maybe I can help with development a bit (looking at you, lossless compression)!