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Any update?

This is exactly what I was experiencing. I ended up giving up and switching to manual boot (unplugging the dip switch 'card' and wiring my own jumper cables). My only guess as to what caused this was bios or the hard drive being swapped. I think it's some type of tamper protection. OR it could...

I might've locked myself out of the bios. A while ago I remember being able to boot off a USB stick, then I turned off the machine and put it in a closet for a few months. Right now I'm trying to get it back into developer mode but no matter what setting I do in the CTRL+S window, nothing...

OH this actually fits on the connector too https://www.amazon.com/Uxcell-Connector-Ribbon-Cable-Length/dp/B01AG9GXV4

I just realized this company sells these: https://schmartboard.com/schmartboard-qty-100-24-red-femalejumper-wires-920-0203-01/ I might buy it instead

How should I go about making an IO harness? I gotta connect 43 pins to 43 other pins on the button board and I only need 2-3 feet (~ 100 cm) in length. This is for a TTX4 Love Live machine I'm building (I'll post pictures when its all done) I could cut a bunch of ethernet wire and spend hours...

That makes sense. Thanks for the insight!

I recently discovered the model name of the actual buttons used in the Love Live TTX4 game. Attached are some screenshots of the button model. "OBSAT-C60UMQ--HSW-12V" or "OBSAT-C60UMQ" (I'm not sure what the tiny square symbol is...) I was just asking to see if anyone knows the best way to buy...

I was able to scan the CVT one, https://drive.google.com/file/d/1C_a4s1jsbLFLbHQlvGnCvugFf-sHCvhf/view?usp=sharing Doesn't have much useful info but lots of nice diagrams on how to use test mode, I think. If anyone is able to read through it and find anything useful, please let me know what...

Does anyone have scans of either one of these manuals? I'm interested in what they have inside ...

I got them all and will scan them eventually...

Tracing back the weird-looking card with 4 dip-switches, I realized it was connected to the power switch/reset switch pins. So then I traced it to the power switch button and found which pins to short resulting in the machine turning on when it had stopped turning on. ALSO, I repaired the GPU...

I'm not sure if PM-ing you is working, but I'd like to decrypt the img file I've dumped if possible. (PM me if possible). I'm willing to do all the work if you just tell me how! Thanks for the help regardless!

I'm interested in learning how this `vdimg_ec.img` file was decrypted. I have one from a TTX4 system. I'm willing to upload and send if needed.

Yep, everything lines up with the system I have. I was able to fix a boot cycle issue with that manual. I can send pics if you'd like!

Figured out how to boot into development mode which let me live boot from a USB stick, now I'm currently rsync-ing the filesystem to my NAS lol (just finished a full dd dump too). Thanks for the help everyone! This was the most useful: https://github.com/ArcadeHustle/X3_USB_softmod/issues/6

Here's my zenmap scan of the TTX4 Love Live Next Stage scan. I'm not entirely sure how I'd go about getting an RCE on this system since I only really do Linux stuff, but I'm eager to learn! Any ideas?

Another quick tip if your TTX4 system just doesn't like you, short these red and brown pins and it should turn on (be careful and make sure they trace back to pins 1 & 2:

Actually, I ended up having to short the power pins: Still that's weird that the power control board didn't work... Maybe I dislodged a wire somewhere... Other than that, I guess I solved it!

Hello, I just bought a TTX4 system (Love Live Next Stage) only the PC, io PCB USB board and the 11 button control board. I hope one day to mod/hack it enough to play it one day, I thought this community would be the perfect place to get help for that. This community already looks awesome from...