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Forum: support.Hardware Yesterday, 17:52
Replies: 5
Views: 94
Posted By ajk
Yeah, that's perfectly normal. You can wipe the...

Yeah, that's perfectly normal. You can wipe the rosin away with alcohol if you wish but it's harmless.
Forum: support.Hardware Yesterday, 16:51
Replies: 5
Views: 94
Posted By ajk
Crystal seems to be leaking? That should not...

Crystal seems to be leaking? That should not happen, there's quite literally a piece of crystal and maybe a divider IC inside the metal can. Are you sure it's not something else that has leaked on...
Forum: support.Hardware 15 November 2018, 13:06
Replies: 6
Views: 178
Posted By ajk
I have done some testing for work purposes and...

I have done some testing for work purposes and the difference between good tape (super thin stuff) and actual heatsink compound was about 1-2 degrees C. Of course this will likely depend somewhat on...
Forum: support.Hardware 10 November 2018, 11:07
Replies: 9
Views: 314
Posted By ajk
I don't think that resistor (or diode) is burned,...

I don't think that resistor (or diode) is burned, it's probably just hand soldered in as a factory mod and that brown stuff is rosin flux.

But yes, definitely battery leakage all over. The board...
Forum: support.Hardware 07 November 2018, 07:38
Replies: 34
Views: 1,311
Posted By ajk
@desiv Parts with significant difference in...

@desiv

Parts with significant difference in heat dissipation capacity can indeed be tricky; I suggest you keep the iron on the through-hole for as long as it takes for solder to flow onto it, and...
Forum: support.Hardware 06 November 2018, 19:04
Replies: 34
Views: 1,311
Posted By ajk
@plasmab Absolutely, once you are...

@plasmab

Absolutely, once you are comfortable with the process, there are many ways to skin a cat. But what desiv described is a common issue or misconception beginners face; you in fact can't...
Forum: support.Hardware 06 November 2018, 14:26
Replies: 34
Views: 1,311
Posted By ajk
Solder will not stick to cold parts; you need to...

Solder will not stick to cold parts; you need to get both the board and the jack hot enough so that solder will melt on contact with them. Generally speaking you never apply solder wire directly to...
Forum: New to Emulation or Amiga scene 24 October 2018, 11:29
Replies: 10
Views: 447
Posted By ajk
If you get a hard drive replacement of some...

If you get a hard drive replacement of some description (like the CF card you have been looking at) and some extra RAM, you'll be good to go for the majority of games. The stock 2MB of RAM will allow...
Forum: Amiga scene 23 October 2018, 15:42
Replies: 17
Views: 1,068
Posted By ajk
There are polymer caps which should essentially...

There are polymer caps which should essentially last forever without leaking, but of course even they may eventually fail otherwise.

In any case it may be difficult to tell for sure whether the...
Forum: support.Hardware 22 October 2018, 11:45
Replies: 5
Views: 426
Posted By ajk
There just happens to be a diagram for the 8A...

There just happens to be a diagram for the 8A here: http://www.amigapcb.org/

That should make it easy to follow the trace around for possible sources for a shortcut. Something must have caused an...
Forum: Retrogaming General Discussion 19 October 2018, 09:56
Replies: 8
Views: 283
Posted By ajk
If you load games from a floppy (real or...

If you load games from a floppy (real or emulated), there is no memory overhead since WHDLoad is not involved.
Forum: Nostalgia & memories 12 October 2018, 06:47
Replies: 2,008
Views: 283,587
Posted By ajk
It can switch to a mode where the button states...

It can switch to a mode where the button states are transmitted in a serial fashion rather than as individual i/o lines.
Forum: New to Emulation or Amiga scene 10 October 2018, 15:46
Replies: 4
Views: 418
Posted By ajk
Welcome to the forum. Basically, even if the CPU...

Welcome to the forum. Basically, even if the CPU itself does work, there won't be proper driver support in OS4 for the board. MorphOS (an alternative next-gen AmigaOS derivative) does support some...
Forum: support.Hardware 09 October 2018, 19:48
Replies: 15
Views: 376
Posted By ajk
I have seen stainless steel rust too, but it's...

I have seen stainless steel rust too, but it's not quite the same thing. Stainless steel is still mostly iron, it's just alloyed with chromium which is supposed to protect it. But aluminium is an...
Forum: support.Hardware 09 October 2018, 14:33
Replies: 15
Views: 376
Posted By ajk
I don't think the shield is aluminium, it...

I don't think the shield is aluminium, it wouldn't have rusted if it was. I think it's just thin, possibly tin-plated steel.
Forum: support.Hardware 04 October 2018, 13:51
Replies: 4
Views: 186
Posted By ajk
This one? ...

This one?

http://amiga.resource.cx/exp/vector2030
Forum: News 30 September 2018, 21:42
Replies: 341
Views: 52,617
Posted By ajk
Well the links say "electronic delivery" so I'd...

Well the links say "electronic delivery" so I'd assume it's files.
Forum: support.Hardware 27 September 2018, 09:17
Replies: 16
Views: 517
Posted By ajk
@nobody How have you come to that conclusion...

@nobody

How have you come to that conclusion if he has already swapped the membrane once, and even with the original one the keys worked if you pressed them for long enough?
Forum: support.Hardware 27 September 2018, 07:38
Replies: 16
Views: 517
Posted By ajk
This is what got me stumped. Obviously the key...

This is what got me stumped. Obviously the key press is being detected so there was probably nothing wrong with the membrane in the first place. As far as I am aware the key repetition is purely a...
Forum: support.Hardware 24 September 2018, 19:03
Replies: 10
Views: 449
Posted By ajk
Somehow the synchronization seems to be way...

Somehow the synchronization seems to be way off... video DAC failure perhaps?

By the way, you've got some suspicious links underneath the photos. Is your image hosting service forcing spam in here?
Forum: support.Hardware 24 September 2018, 07:32
Replies: 10
Views: 449
Posted By ajk
There are no metal cans on the underside of the...

There are no metal cans on the underside of the board though, only ceramics.
Forum: Retrogaming General Discussion 23 September 2018, 10:39
Replies: 22
Views: 1,203
Posted By ajk
They are very similar in capability apart from...

They are very similar in capability apart from AGA. And of course the A4000 desktop model has a 5.25" bay if you want to have a CD/DVD drive, something the A3000 desktop can only have externally...
Forum: support.Hardware 22 September 2018, 09:39
Replies: 2
Views: 235
Posted By ajk
Which style are the jacks? Colored plastic frame...

Which style are the jacks? Colored plastic frame or "skeleton" design with just the metal parts?

Search Mouser for Kobiconn brand RCA jacks...
Forum: support.Hardware 20 September 2018, 08:41
Replies: 16
Views: 485
Posted By ajk
The keyboard signals (clock and data) connect to...

The keyboard signals (clock and data) connect to the CIA at U7, there isn't really much else directly involved. Also I don't think there is a way for the motherboard to purposely reset the keyboard,...
Forum: Nostalgia & memories 19 September 2018, 11:27
Replies: 2,008
Views: 283,587
Posted By ajk
Also quite a lot of the larger, multi-disk (let's...

Also quite a lot of the larger, multi-disk (let's say 4 disks or more) games actually do have their own hard drive installers and use a code wheel or other protection system instead. This includes...
Forum: Nostalgia & memories 19 September 2018, 10:24
Replies: 2,008
Views: 283,587
Posted By ajk
It is possible, if there is no copy protection to...

It is possible, if there is no copy protection to prevent it and the floppy disk uses a normal file system.

Some games have their own hard drive installers, but many games were designed on purpose...
Forum: support.Hardware 06 September 2018, 07:25
Replies: 4
Views: 232
Posted By ajk
The badge is held on by double sided tape,...

The badge is held on by double sided tape, essentially; gentle heat from a hair dryer or such will help dislodge it. Use a plastic implement to gently pry one side up without bending the badge.

If...
Forum: Nostalgia & memories 04 September 2018, 10:02
Replies: 2,008
Views: 283,587
Posted By ajk
Workbench doesn't really have a provision for...

Workbench doesn't really have a provision for shortcuts in the sense that Windows does. You can create soft links using the command line interface and the MakeLink command, but it's not something...
Forum: Nostalgia & memories 04 September 2018, 07:17
Replies: 2,008
Views: 283,587
Posted By ajk
Also remember that "leaving out" an icon isn't...

Also remember that "leaving out" an icon isn't making a shortcut, it's leaving out the actual file. So if you no longer want it on the workbench at some point, don't delete it, use "put away".
Forum: support.Hardware 30 August 2018, 17:59
Replies: 8
Views: 375
Posted By ajk
I would say no. Most things that need 2.x are...

I would say no. Most things that need 2.x are only useful when combined with extra resources. You will lose a lot of compatibility with things that expect 1.3.
Forum: support.Hardware 29 August 2018, 19:19
Replies: 144
Views: 40,767
Posted By ajk
@browrp For dimensions, it's mostly the...

@browrp

For dimensions, it's mostly the diameter that matters. A little taller or shorter is fine.

Ripple current and other detailed specs don't really matter.

I buy Kemet for the...
Forum: Amiga scene 29 August 2018, 14:28
Replies: 67
Views: 3,628
Posted By ajk
The Amiga scene certainly wasn't dead or dying 4...

The Amiga scene certainly wasn't dead or dying 4 or 6 years ago. There was a low point for Classic interest in the late 90s and early 00s when the last users of expanded systems either turned to next...
Forum: Amiga scene 29 August 2018, 07:54
Replies: 67
Views: 3,628
Posted By ajk
Well, the number of A1200 systems out there...

Well, the number of A1200 systems out there probably hasn't diminished by much in three years but it certainly hasn't grown, either. There are simply more people looking for one now, the "retro...
Forum: support.Hardware 29 August 2018, 07:43
Replies: 144
Views: 40,767
Posted By ajk
If the slight price difference isn't an issue (a...

If the slight price difference isn't an issue (a set of caps will be in the $15 range vs maybe $5 for standard ones), I'd go with solid polymer.
Forum: MarketPlace 28 August 2018, 20:17
Replies: 4
Views: 511
Posted By ajk
An A500 in basic working condition is worth...

An A500 in basic working condition is worth around €50 I'd say; more if it's in mint condition, original box and so on, less if it's badly scuffed up or missing parts.

The A590, if working,...
Forum: support.Hardware 28 August 2018, 07:27
Replies: 144
Views: 40,767
Posted By ajk
You can go for a higher voltage rating. Basically...

You can go for a higher voltage rating. Basically the voltage rating is related to the physical volume of the cap (thickness of the insulator), and due to improvements in technology you now tend get...
Forum: support.Hardware 20 August 2018, 11:03
Replies: 31
Views: 2,332
Posted By ajk
I used the twist method when recapping an...

I used the twist method when recapping an oscilloscope from about 1992, so similar technology as the A1200. I got the scope for free so I didn't care about it all that much and there were a lot of...
Forum: Nostalgia & memories 17 August 2018, 21:18
Replies: 2,008
Views: 283,587
Posted By ajk
As for 4 - it would be a cool challenge for sure...

As for 4 - it would be a cool challenge for sure but the Paula does not really offer any particularly unique features. The SID does and there are many projects around it :)
Forum: News 14 August 2018, 07:11
Replies: 209
Views: 18,745
Posted By ajk
I wasn't implying that tests weren't made, but...

I wasn't implying that tests weren't made, but very obviously faulty cases were shipped out before the process was optimal. If it's only a small number and they can be replaced, not a big deal.
Forum: News 13 August 2018, 21:01
Replies: 209
Views: 18,745
Posted By ajk
Yes, it's quite possible that the people at the...

Yes, it's quite possible that the people at the plant have adjusted the process so that cases produced later don't have that issue. There should have been test batches to get everything figured out...
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