A1200 gaming machine problems

jotd · 05 February 2017, 15:26

Hi,

My goal in the last weeks was to re-create a gaming machine out of a A1200 I had in store somewhere with a A1230. That's a perfect machine: almost no noise when playing: back to the old A500 days without the floppy grinding and loading times (didn't I mention WHDLoad

)

I installed ClassicWB, prepped my 30Gb hard drive with it (had a tough time but finally could make it work) and installed a AMSLoader on it so when LMB is pressed the menu starts.

So far so good except that I started playing Superfrog again and after several minutes the game used to lockup (display on, no sound, not possible to reset: only possibility: switch off).

I began to switch all the spare components I had in store, beginning by taking apart my A1200 Ateo Tower that I wasn't using for a while, because there were issues on it, and the silence isn't a feature of such a tower.

Motherboard switch: still lockups
on-board memory switch: still lockups
switch the A1230 by A1260 => sounds all right (damn I wanted to sell the A1260 for $$$)

Is there somewhere where I can have my A1230 looked at (would be sending from France) ? I'd really like to have it fixed so I can use/sell the A1260.
I also noticed that the sound of the A1200 was sometimes strange, looks like it needs recapping. Confirm?

Daedalus · 05 February 2017, 18:08

Strange sound might be from bad capacitors indeed, or could also be from a poor power supply. Check the + and - 12V rails, a problem with either one will give audio problems. A bad power supply could also be the cause of lockups. Do you have another to try?

And if it hasn't been recapped at any stage, get that done too regardless.

jotd · 05 February 2017, 21:56

@Daedalus: I forgot to mention that I have 2 PSUs as well, an old A500 one and a A1200 one. Lockups with both. With the 060 no lockups so far.

Daedalus · 06 February 2017, 00:50

Yeah, it looks like you've eliminated everything else. I don't know of anyone in France who does repairs, thought there are a couple in the Netherlands who might be able to help... Very strange that an accelerator would have that sort of issue though. When you say the sound is strange, what do you mean? Is it stuttering? Distorted? Perhaps something on the accelerator is causing power issues.

05 February 2017, 15:26	#1
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,162	A1200 gaming machine problems Hi, My goal in the last weeks was to re-create a gaming machine out of a A1200 I had in store somewhere with a A1230. That's a perfect machine: almost no noise when playing: back to the old A500 days without the floppy grinding and loading times (didn't I mention WHDLoad ) I installed ClassicWB, prepped my 30Gb hard drive with it (had a tough time but finally could make it work) and installed a AMSLoader on it so when LMB is pressed the menu starts. So far so good except that I started playing Superfrog again and after several minutes the game used to lockup (display on, no sound, not possible to reset: only possibility: switch off). I began to switch all the spare components I had in store, beginning by taking apart my A1200 Ateo Tower that I wasn't using for a while, because there were issues on it, and the silence isn't a feature of such a tower. Motherboard switch: still lockups on-board memory switch: still lockups switch the A1230 by A1260 => sounds all right (damn I wanted to sell the A1260 for $$$) Is there somewhere where I can have my A1230 looked at (would be sending from France) ? I'd really like to have it fixed so I can use/sell the A1260. I also noticed that the sound of the A1200 was sometimes strange, looks like it needs recapping. Confirm?

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05 February 2017, 18:08	#2
Daedalus Registered User Join Date: Jun 2009 Location: Dublin, then Glasgow Posts: 6,334	Strange sound might be from bad capacitors indeed, or could also be from a poor power supply. Check the + and - 12V rails, a problem with either one will give audio problems. A bad power supply could also be the cause of lockups. Do you have another to try? And if it hasn't been recapped at any stage, get that done too regardless.

05 February 2017, 21:56	#3
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,162	@Daedalus: I forgot to mention that I have 2 PSUs as well, an old A500 one and a A1200 one. Lockups with both. With the 060 no lockups so far.

06 February 2017, 00:50	#4
Daedalus Registered User Join Date: Jun 2009 Location: Dublin, then Glasgow Posts: 6,334	Yeah, it looks like you've eliminated everything else. I don't know of anyone in France who does repairs, thought there are a couple in the Netherlands who might be able to help... Very strange that an accelerator would have that sort of issue though. When you say the sound is strange, what do you mean? Is it stuttering? Distorted? Perhaps something on the accelerator is causing power issues.

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