Why did they put a hole in the cart.

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By ro

Scribe (4669)

ro의 아바타

06-08-2008, 09:06

post it Smile

By Gorgane

Resident (62)

Gorgane의 아바타

06-08-2008, 09:53

Spectravideo 728 has a microswitch inside the cartridge slot. I have always wondered what it does and only now my two brain cells determined that it must be a cartridge removal safety of some kind. Smile

By mohai

Paladin (958)

mohai의 아바타

08-08-2008, 12:01

I think they use the hole when manufacturing.
They pierce a lot of carts in a long metal stick and then they paint them like car pieces... (just kidding !!!). Tongue

I know the hole is only for protection while inserting or removing. Toshiba computers have some kind of switch for this inside the cartdrige slot, also.

By the way, as Microsoft and ASCII defined all the MSX hardware rules, there should be some document describing the cart and the slot specifications... maybe in the Red Book?

By foody

Champion (398)

foody의 아바타

30-11-2021, 06:29

My MSX 2 does not have this feature, how do I implement it? I would like that my cartridge is locked when the MSX is powered and unlocked when it is powered off.

By pakoto

Resident (37)

pakoto의 아바타

30-12-2021, 22:11

See sanyo PHC-28P pcb... uses photocell to reset computer when insert/retire cartridges.

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