Arcade Collecting > Merit/JVL Touchscreen

Megatouch Maxx Sapphire 2 restarts during gameplay

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lilshawn:
you could have a drive that is starting to flake out....

but you could also have a ribbon cable that is starting to get sketchy too as well. it could be worth it to swap the data cable out first before diving into replacing the harddrive.

those ribbon cables often run right past the high voltage leads used in the monitor (stupid as all hell) it can cause the data to be corrupted as it goes down. maybe try relocating the cable too as well.

I'm one to just jump in and swap out a harddrive, as for most of these games I have install disks and all the hardware to reload the game software...so for me to do it is not a big deal at all.... For you on the other hand, it's not so easy. I'm just trying to eliminate all the possibilities before you jump ship and replace the drive at an extra expense.

jasonroz:
Thanks for the ideas.  I did change out the IDE ribbon cable and relocated it.  Everything seems to point to the drive.  So a couple of questions if you don't mind answering:

1. Should I buy a new stick of PC100 RAM?  Would this be a cause of the lock ups/restarts?
2. Would my power supply be causing this?  I tested it with a power supply tester and everything was in the correct range.
3. Could it be the motherboard?  Is there a way to test the motherboard?

Thanks for the help.

lilshawn:

--- Quote from: jasonroz on July 27, 2015, 05:52:46 pm ---Thanks for the ideas.  I did change out the IDE ribbon cable and relocated it.  Everything seems to point to the drive.  So a couple of questions if you don't mind answering:

1. Should I buy a new stick of PC100 RAM?  Would this be a cause of the lock ups/restarts?
2. Would my power supply be causing this?  I tested it with a power supply tester and everything was in the correct range.
3. Could it be the motherboard?  Is there a way to test the motherboard?

Thanks for the help.

--- End quote ---

1: it couldn't hurt. I've seen ram sticks go bad before, but still "work".
2: it's possible. i would be best to use a good digital volt meter and measure each of the rails while they are under load on AC. I say AC because this will show you how much ripple or noise is in the line. you are going to want under 30mv while under heavy load on an old power supply like this. (ideally you'd want a constant load like a resistive element but having the computer sitting on the BIOS screen is going to get you a decent reading) the DC voltage reading should be within 5% of the value. (for 5 volts it should be between 4.75 and 5.25) the lower the deviation, the better.
3: the old 586 motherboards are built like a brick dunny. there isn't much to go wrong on these even the CPU would have a hard time overheating. they are just not powerful enough to self destruct if something like a fan where to fail or a heat sink where to fall off. bad caps are always a possibility, but if they aren't visibly bulged out, they are probably fine.

jasonroz:
Hard for me to believe that this is it, but it might be. I moved the ram to a different slot and now no problems. I have played for about 45 minutes with no issues. Before the longest I played was maybe 2 full games for about 10 minutes one time.

mahkeymike:

--- Quote from: jasonroz on July 27, 2015, 11:33:43 pm ---Hard for me to believe that this is it, but it might be. I moved the ram to a different slot and now no problems. I have played for about 45 minutes with no issues. Before the longest I played was maybe 2 full games for about 10 minutes one time.

--- End quote ---

Its possible a resisitor/s going to that memory slot could have gone bad causing the ram to essentially "over clock" itself causing crashes/reboots. Hopefully the other memory slot holds up.

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