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Search: Posts Made By: solarmon
Forum: support.Hardware Yesterday, 20:39
Replies: 43
Views: 881
Posted By solarmon
@Daedalus Do you have any example transistor...

@Daedalus

Do you have any example transistor circuits I can refer to to make it sink more current? I can solder but I don't have a lot of electronics design knowledge.
Forum: support.Hardware Yesterday, 01:25
Replies: 43
Views: 881
Posted By solarmon
I did another test. I disconnected the pin 9...

I did another test.

I disconnected the pin 9 wire on the Mega Drive pad board. I could see that the chip does pull the signal down to 0V when there is nothing connected to it.

So it is...
Forum: support.Hardware 05 July 2020, 23:58
Replies: 43
Views: 881
Posted By solarmon
And on the working A1200: Resistance of...

And on the working A1200:

Resistance of Paula pin 39 (POT1Y) to:
* Pin 9 (Joystick port): 69.1 ohms
* Ground: 1.6M ohm
* VCC: 1.7M ohms

Resistance of Paula pin 38 (POT1X) to:
* Pin 5...
Forum: support.Hardware 05 July 2020, 23:15
Replies: 43
Views: 881
Posted By solarmon
I made the following measurements on the suspect...

I made the following measurements on the suspect A1200, with it NOT powered on.

Resistance of Paula pin 39 (POT1Y) to:
* Pin 9 (Joystick port): 68.9 ohms
* Ground: 2M ohm
* VCC: 2M ohms

In...
Forum: support.Hardware 05 July 2020, 18:45
Replies: 132
Views: 13,931
Posted By solarmon
First you need to rule out the ADF files. I would...

First you need to rule out the ADF files. I would set up WinUAE to emulate your A500 setup and prove the ADF files load OK.
Forum: support.Hardware 04 July 2020, 22:44
Replies: 43
Views: 881
Posted By solarmon
@Daedalus Many apologies, I should have...

@Daedalus

Many apologies, I should have mentioned that I did the pin 5 and 7 swap, so that it gets power from VCC, not from Paula. So when I said pin 5 I meant what is marked on the board on the...
Forum: support.Hardware 04 July 2020, 19:40
Replies: 43
Views: 881
Posted By solarmon
@Daedalus I've done some more testing so I...

@Daedalus

I've done some more testing so I think I understand a bit better the 2nd fire button requirements.

I won't bore everybody with my test results, but there is still a differrence...
Forum: support.Hardware 04 July 2020, 11:43
Replies: 10
Views: 218
Posted By solarmon
Is it OK without the ROM switcher? Sorry, it...

Is it OK without the ROM switcher? Sorry, it wasn't clear whether you reverted everything back.

The switch is for A500 rev5 motherboards which requires some additional rewiring of the ROM pins. I...
Forum: support.Hardware 04 July 2020, 11:33
Replies: 8
Views: 301
Posted By solarmon
Great! Well done for fixing it! It might be...

Great! Well done for fixing it!

It might be worth making a parallel loopback adapter and use Amiga Test Kit to perform a parallel loopback test.
Forum: support.Hardware 03 July 2020, 23:28
Replies: 43
Views: 881
Posted By solarmon
Thank you Daedalus Some of that has...

Thank you Daedalus

Some of that has certainly clarified or confirmed my understanding.

The problem I have is that I have two A1200 2B where one works and the other doesn't with the Master...
Forum: support.Hardware 03 July 2020, 22:03
Replies: 43
Views: 881
Posted By solarmon
I haven't got a CD32 (or compatible) pad to be...

I haven't got a CD32 (or compatible) pad to be able to test. So maybe that is a third type of joystick to be aware of.

I assume the official CD32 pad does not have pullup resistors by...
Forum: support.Hardware 03 July 2020, 21:15
Replies: 43
Views: 881
Posted By solarmon
There seems to be two types of joysticks with...

There seems to be two types of joysticks with second fire buttons. Or rather, two different ways of detecting them.

Ones that pull the signal to ground and ones like the Sega Megadl Drive...
Forum: support.Hardware 03 July 2020, 17:48
Replies: 43
Views: 881
Posted By solarmon
I've done some further investigation and...

I've done some further investigation and troubleshooting.

My suspect rev 2B A1200 didn't like my Master System Control pad, and my Quickshot Maverick in 'Sega' mode (which effectively is the...
Forum: support.Hardware 03 July 2020, 07:52
Replies: 43
Views: 881
Posted By solarmon
@Misclegend Yes, I have a rev 2B A1200. ...

@Misclegend

Yes, I have a rev 2B A1200.

I found that there is some issue with the A1200 I was initially testing with, that I need to investigate further.

It seems that on this specific A1200...
Forum: support.Hardware 02 July 2020, 18:06
Replies: 8
Views: 301
Posted By solarmon
Measuring the voltages with the motherboard...

Measuring the voltages with the motherboard powered should be good enough.

Anywhere where you expect continuity and it does have it is an obvious issue that needs to be resolved. So you are going...
Forum: support.Hardware 02 July 2020, 13:21
Replies: 43
Views: 881
Posted By solarmon
The Master System pad is same as picture above -...

The Master System pad is same as picture above - this is my specific one:

http://i.imgur.com/0Czn431b.jpg (https://imgur.com/0Czn431)

You can see that the two fire button pads connect to signal...
Forum: support.Hardware 02 July 2020, 11:04
Replies: 43
Views: 881
Posted By solarmon
I just tried Turrican 1 (IPF and ADF) and I could...

I just tried Turrican 1 (IPF and ADF) and I could not get any of my joysticks to work with the second button feature.
Forum: support.Hardware 02 July 2020, 00:30
Replies: 43
Views: 881
Posted By solarmon
@Misclegend I tried BC Kid in 2 button mode,...

@Misclegend

I tried BC Kid in 2 button mode, and with the Sega Master System Controller, the second button does not work for jump.

My Quickshot Maverick QS-162 (designed for Sega Megadrive)...
Forum: support.Hardware 01 July 2020, 23:47
Replies: 43
Views: 881
Posted By solarmon
I only questioned your statement: "designed...

I only questioned your statement:

"designed for the CD32 pad and the SEGA master system pad"

I was just pointing out that the Sega Master System pad does not have any resistors.

I will try...
Forum: support.Hardware 01 July 2020, 23:11
Replies: 43
Views: 881
Posted By solarmon
A Sega Master System controller does not have any...

A Sega Master System controller does not have any active or passive components in it - it is basically wires, pads and buttons.

https://moddedbybacteria.files.wordpress.com/2010/06/sms-008.jpg
...
Forum: support.Hardware 01 July 2020, 17:03
Replies: 14
Views: 385
Posted By solarmon
As long as the model number is suitable. The...

As long as the model number is suitable.

The last line I believe is the batch code for where/when it was made. The last four digits represent the date in the format YYWW, where YY is the year and...
Forum: support.Hardware 01 July 2020, 09:25
Replies: 24
Views: 599
Posted By solarmon
Do you have an 8MB expansion card?

Do you have an 8MB expansion card?
Forum: support.Hardware 30 June 2020, 23:49
Replies: 24
Views: 599
Posted By solarmon
The IDE CF size and partition size shouldn't...

The IDE CF size and partition size shouldn't affect whether PCMCIA CF cards work or not.

Something in software is stopping it from working.
Forum: support.Hardware 30 June 2020, 23:28
Replies: 24
Views: 599
Posted By solarmon
@c0dehunter What Kickstart do you have?

@c0dehunter What Kickstart do you have?
Forum: support.Hardware 30 June 2020, 22:40
Replies: 24
Views: 599
Posted By solarmon
You can also test with my boot disk, if you have...

You can also test with my boot disk, if you have a Gotek or a way of writing the ADF image to disk:

https://sites.google.com/one-n.co.uk/amiga-guides/boot-cfd-fat95

But if you say that a...
Forum: support.Hardware 30 June 2020, 22:16
Replies: 18
Views: 472
Posted By solarmon
This is the one I use: ...

This is the one I use:

https://www.ebay.co.uk/itm/CF-Flash-Card-to-40-Pins-IDE-3-5-Male-Adapter-with-PCI-Bracket/273483375610
Forum: support.Hardware 30 June 2020, 22:03
Replies: 43
Views: 881
Posted By solarmon
When I say 'switch' I mean whatever you use to...

When I say 'switch' I mean whatever you use to make the signal active - which in this case is pulling the signal to ground.

See the diagram in the link I have provided.

EDIT: I was assuming you...
Forum: support.Hardware 30 June 2020, 21:20
Replies: 43
Views: 881
Posted By solarmon
For the 2nd fire button you need to have a switch...

For the 2nd fire button you need to have a switch for pin 9.

https://sites.google.com/one-n.co.uk/amiga-guides/amiga-mouse-and-joystick-signals/wiring-for-2-separate-fire-buttons-joystick

And...
Forum: support.Hardware 29 June 2020, 23:05
Replies: 14
Views: 385
Posted By solarmon
If it was my board I would start with the traces...

If it was my board I would start with the traces for the CPU and Kickstart ROM. However, without being able to confirm that the chips are actually OK, it may be a wasted effort.

Having the...
Forum: support.Hardware 29 June 2020, 21:53
Replies: 14
Views: 385
Posted By solarmon
Thanks @amigasith! A very quick glance seems...

Thanks @amigasith!

A very quick glance seems to suggest those jumpers are correct, so it can't be because of those.

It looks like you need to check the traces and test the chips if you can.
...
Forum: support.Hardware 29 June 2020, 21:02
Replies: 14
Views: 385
Posted By solarmon
Yes, that seems to be the direction we are going....

Yes, that seems to be the direction we are going.

If you have another A500(+) then you can check the chips between the two machines.

Can you check and show all the jumpers on your board - the...
Forum: support.Hardware 29 June 2020, 20:45
Replies: 14
Views: 385
Posted By solarmon
Do you have a multimeter to test continuity of...

Do you have a multimeter to test continuity of the traces? A logic probe will also be useful in this situation.

You can use amigapcb.org to find out where the traces are and where they should go....
Forum: support.Hardware 29 June 2020, 19:40
Replies: 14
Views: 385
Posted By solarmon
I assume that is a picture before you cleaned it...

I assume that is a picture before you cleaned it up? There's quite a lot of corrosion/oxidation.

What are the other sockets like, especially the Kickstart ROM socket.

You also need to inspect...
Forum: support.Hardware 29 June 2020, 17:24
Replies: 14
Views: 385
Posted By solarmon
Looks like a rev 8A board that was used in an...

Looks like a rev 8A board that was used in an A500 case - since there is no battery and RTC onboard.

The battery on the memory expansion unit needs removing. Although, admittedly, it does look in...
Forum: support.Hardware 29 June 2020, 10:49
Replies: 24
Views: 599
Posted By solarmon
Also, are the cards detected in CardPrep?

Also, are the cards detected in CardPrep?
Forum: support.Hardware 29 June 2020, 09:18
Replies: 24
Views: 599
Posted By solarmon
You formatted the CF cards as FAT32, correct? ...

You formatted the CF cards as FAT32, correct?

Some CF just don't work. Did you try different brands of CF cards.
Forum: support.Hardware 28 June 2020, 20:16
Replies: 24
Views: 599
Posted By solarmon
Thanks. The website is just a stock Google Sites...

Thanks. The website is just a stock Google Sites one, and just really a collection of my notes that I refer to.

I don't know how to softkick to a higher kickstart.

What is it you want to test?...
Forum: support.Hardware 28 June 2020, 16:18
Replies: 8
Views: 301
Posted By solarmon
Have you verified that the power rails are...

Have you verified that the power rails are getting to the port pins? And that they are within acceptable range?
Forum: support.Hardware 28 June 2020, 13:32
Replies: 24
Views: 599
Posted By solarmon
I've put together some info on what is required...

I've put together some info on what is required at:
https://sites.google.com/one-n.co.uk/amiga-guides/pcmcia-compact-flash-guide
Forum: support.Apps 28 June 2020, 10:04
Replies: 23
Views: 892
Posted By solarmon
TinyLauncher only allows you to specify three...

TinyLauncher only allows you to specify three paths for your game.

It will then build a database of all the WHDLoad games found in these three paths. You get this alphabetically sorted list and...
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