How to lock my cartridge in my MSX?

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Van Manuel

Ascended (18950)

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02-12-2021, 12:53

Just for the record: I have never heard of someone making some mechanism in his MSX to prevent accidental removal of cartridges. It sounds also quite invasive, possibly ruining your nice MSX case.
But yeah, if you really want it, you can of course do it. It just might be a bit overkill.

Maybe this explains a bit why some people were posting not so serious suggestions.

Van Pencioner

Scribe (1508)

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02-12-2021, 13:47

Just brainstorming again: would be better to have some short range movement sensor near the cartridge slots which triggers a sound alert like "please keep you computer off if you change cartridge" if your hand is near the slots? So you get the reminder and check if you turned it off, instead of mechanically modify the MSX ?

Van hamlet

Scribe (4105)

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02-12-2021, 14:55

In my opinion, there is a good reason why only a few companies installed such safety constructions: The manufacturers still believed the user had some common sense.
Of course, you don't change a cartridge when the computer is switched on.
You are not a kid anymore.
Even installed light barriers are of little use if you want to pull out the cartridge when the computer is switched on.
The solution that Philips has come up with is probably more useful as an anti-theft device; few users would think of inserting a locking pin every time they change a cartridge.
A subsequent installation of any possibility I consider outrageous and also useless.
Treat the old devices with respect and everything will be wonderful.

Van Pokun

Resident (53)

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02-12-2021, 15:38

Many video game systems like the Game Boy, PC-Engine and SFC/SNES uses a physical cartridge lock as a plastic part of the power switch, but I guess it would be complicated to implement that when making an MSX system with 2 or more cartridge slots (and out of the question for a slot expander).

I guess an optical sensor wouldn't detect if the cartridge is pulled out on one side so easily and which might cause a short somewhere.

Van Jipe

Paragon (1559)

afbeelding van Jipe

02-12-2021, 16:31

idea : make a plexiglass U with the good dimensions and holes for DIN and LTP

inserted under MSX and cartridge are protected Smile

Van foody

Champion (452)

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02-12-2021, 16:56

Jipe how does that work? Thanks in advance.

Van jltursan

Prophet (2619)

afbeelding van jltursan

02-12-2021, 18:38

It's a "new case" for your MSX, partially opened (that's the U-shape) and with drilled holes to reach the cable conectors. The height of the "case" must be enough to cover a plugged cartridge, if I've understood the idea of course...

Van hamlet

Scribe (4105)

afbeelding van hamlet

02-12-2021, 19:30

In this concept, are the different sizes of cartridges made possible by adjustable sleeves or will individual housings be supplied with new cartridges in the future? Will there be a version for the longer Philips keyboard connectors or the Sony DIN ones?

Van foody

Champion (452)

afbeelding van foody

02-12-2021, 20:40

Dear gdx, I thank you for accepting my apology Smile I just wanted to clear any misunderstanding. Also, my MSX2 did not die...but I fear it will be dead because of this reason. This is why I am really anxious to find means to protect it. I agree with hamlet that as an adult this should not be a problem, but accidents is a monster that you cannot stop.

I love reading people's suggestion, I will write them down as notes so when I take it to a professional, he can read the suggestions you guys are posting. Perhaps one of them can be done and practical. I will spend up to 300 dollars to do whatever protection I can for my MSX2.

THANK YOU ALL for your help and suggestions and brain storming. Big smile

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