PS1/2 PS2 Slim - Modchip Diagnosis (PS1 games)

aphirst

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I've been tinkering with a PS2 I just bought from a guy at Uni. It has a modchip in (a Matr!x Infinity clone, one of the v1.99 ones), and he says it does play both copied PS1 and PS2 games.

I've set it up, and I can only get it to play copied PS2 games. Mostly. Every so often it spins up weirdly and fails to recognise the disc. But for copied PS1 games, it won't play any of them.

My guesses for what the problem is would be are:
>the drive motor's packing in
>the laser's packing in
>the modchip has partially disconnected
>the discs I'm using to burn with suck balls

What do you guys think? Is there anything else I've not considered?

Given it's 2012, would it be safe to say that any small online repair centre that still dealt with PS2s would be OK with handling one with a modchip in? Might they even be able to check if it's connected up properly?
 

Armadillo

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Tried a cd based ps2 game? Could just be the laser has seen better days and has trouble reading cds.

Could also try forcing ps1 mode by holding circle, it's possible the chip is not detecting and resetting to ps1 mode properly.

Other than that, if it's not the laser or discs, then the SX point or (equivalent as I'm not sure what's it's labelled as on the clones) may not be connected as that is responsible for ps1 games.
 

Cyan

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power on system
insert disc
close lid/tray
press reset twice
That's the thing for most modchips.
You need to press reset (or the power button) twice (not too fast, not too slow) to put the modchip in PS1 mode.

Some modchips allows you to do it from a switched off state too, if you already have the PS1 game inserted.
 

jinnpan

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Maybe the SX point was not solder.
For some reason some modder do not solder the SX point to enable PSone support.
 

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