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Search: Posts Made By: Johan1973
Forum: News 30 June 2016, 15:53
Replies: 1,123
Views: 190,014
Posted By Johan1973
Some pictures of my finished install.Now I need...

Some pictures of my finished install.Now I need to make a bezel that covers a bit of that mounting, so it looks a lot better. Any suggestions for that?...
Forum: News 30 June 2016, 13:16
Replies: 1,123
Views: 190,014
Posted By Johan1973
Newly made A1200 cases? Where can I get one of...

Newly made A1200 cases? Where can I get one of those?
Forum: News 30 June 2016, 13:15
Replies: 1,123
Views: 190,014
Posted By Johan1973
A quick question, I tried the display without the...

A quick question, I tried the display without the pullup resistors and it seems to work. Are the pullups then really necessary?

Update: When I finalized the cable from the Gotek to the display, I...
Forum: News 30 June 2016, 12:37
Replies: 1,123
Views: 190,014
Posted By Johan1973
http://grovdata.se/gotek/10.jpg That is how...

http://grovdata.se/gotek/10.jpg

That is how my Gotek is mounted, the question in my mind is where to put the display, so that it looks nice.
Forum: News 30 June 2016, 10:10
Replies: 1,123
Views: 190,014
Posted By Johan1973
thank you, that was it. Have it hooked up to a...

thank you, that was it. Have it hooked up to a RPI2 now to test it, and there it works. Now I need to test it in the gotek :)

Feeling rather stupid because I did not even consider the contrast...
Forum: News 29 June 2016, 22:34
Replies: 1,123
Views: 190,014
Posted By Johan1973
Hooked it all up temporarily today, the i2c...

Hooked it all up temporarily today, the i2c display I ordered, and all I get is the light on the display comes on, but even with the 4.7K pullup resistors to SDL and SDA connected to 5V line, I dont...
Forum: support.Hardware 01 December 2014, 16:28
Replies: 395
Views: 84,559
Posted By Johan1973
I have connected ZX +2 and Amiga 500, Amiga 1200....

I have connected ZX +2 and Amiga 500, Amiga 1200. It shows no matter what the RGB source is. The fault is at the GBS8220 end.
Forum: support.Hardware 27 November 2014, 11:21
Replies: 395
Views: 84,559
Posted By Johan1973
sweet, finally a complete fix

sweet, finally a complete fix
Forum: support.Hardware 26 November 2014, 18:11
Replies: 395
Views: 84,559
Posted By Johan1973
If you can live with the faults, and change the...

If you can live with the faults, and change the caps, and have an extremely stable power source for the GBA8220, it can be a cheap alternative. But in my opinion it is money better spent on buying a...
Forum: News 31 October 2014, 01:04
Replies: 678
Views: 216,430
Posted By Johan1973
I guess this project is dead, at least in an open...

I guess this project is dead, at least in an open free form due to what some people has done with the free project and work of the creator. No new firmware :(
Forum: News 16 June 2014, 10:05
Replies: 678
Views: 216,430
Posted By Johan1973
They provide +3.3V to the Boot pin. As easy as...

They provide +3.3V to the Boot pin. As easy as that. I have a cheap USB to TTL adapter that works even with windows 8, and provides +5V and +3.3V. Hooked it up to supply 3.3V to the boot pin, instead...
Forum: support.Hardware 13 June 2014, 12:43
Replies: 395
Views: 84,559
Posted By Johan1973
I got the Scart to HDMI adapter today. Running...

I got the Scart to HDMI adapter today. Running tests on it now.
Initial impressions; Dont bother with GBS 8220.

Good: Easy to setup. Picture quality is pretty good. Sharp image for an upscaled...
Forum: support.Hardware 08 June 2014, 03:57
Replies: 7
Views: 881
Posted By Johan1973
Well, reason I asked about hardware fix for...

Well, reason I asked about hardware fix for PCMCIA is that if it is done wrong, you can get some odd behavior when inserting PCMCIA devices.
Forum: support.Hardware 03 June 2014, 00:22
Replies: 7
Views: 881
Posted By Johan1973
I just wanted to know if you have done the...

I just wanted to know if you have done the hardware PCMCIA reset fix that is required when using PCMCIA devices, tend to hang on reset etc.
Forum: support.Hardware 02 June 2014, 14:20
Replies: 7
Views: 881
Posted By Johan1973
PCMCIA reset fix installed?

PCMCIA reset fix installed?
Forum: support.Hardware 02 June 2014, 14:12
Replies: 8
Views: 867
Posted By Johan1973
I would suggest; Acatune -maprom * -burst on...

I would suggest; Acatune -maprom * -burst on -cache on >NIL:
Gives a nice little boost.
Forum: News 25 May 2014, 14:22
Replies: 678
Views: 216,430
Posted By Johan1973
I suspect this is a project that runs out in the...

I suspect this is a project that runs out in the sand due to lack of time, and the effort involved. But I keep hoping for the best.
Forum: News 23 May 2014, 21:10
Replies: 678
Views: 216,430
Posted By Johan1973
Has anyone experienced corruption of ADF files?...

Has anyone experienced corruption of ADF files? Especially if you make an empty one through WINUAE in the root of the stick, then mount it, write to it in workbench?
Forum: News 22 May 2014, 23:15
Replies: 678
Views: 216,430
Posted By Johan1973
Danko: I just hotglued the buzzer to the front,...

Danko: I just hotglued the buzzer to the front, on the inside of the case, beside the PCB. It works great.

Amigo-mexicano: If you have problems connecting to the Gotek, make sure your BOOT jumper...
Forum: News 22 May 2014, 14:46
Replies: 678
Views: 216,430
Posted By Johan1973
Ah, I get it. Did not think about that. ...

Ah, I get it. Did not think about that.

Saftey foremost, the CIA might tolerate getting +5V on that pin, since that is within TTL levels, but it will not tolerate +12V, and transistors like BC547...
Forum: News 22 May 2014, 00:07
Replies: 678
Views: 216,430
Posted By Johan1973
If it is an active low on the step, why not use a...

If it is an active low on the step, why not use a BC557 (PNP) BJT instead?

(EDIT: And to be on the SAFE side, wire that buzzer to +5V, it makes little difference to sound volume, but it makes a...
Forum: News 11 May 2014, 13:18
Replies: 678
Views: 216,430
Posted By Johan1973
Some of these usb to serial port devices have...

Some of these usb to serial port devices have drivers for later windows versions, some dont. Make sure when you buy them that yours have.
...
Forum: News 10 May 2014, 18:50
Replies: 678
Views: 216,430
Posted By Johan1973
If you double that clock, you get timing issues,...

If you double that clock, you get timing issues, which means some loaders etc. may not work at all (more likely they wont work).
Forum: News 06 May 2014, 20:00
Replies: 678
Views: 216,430
Posted By Johan1973
I have done some experimenting. I want to first...

I have done some experimenting. I want to first say that I do not fully understand the logic circuit involved in the amiga floppy drive handling, and this experimentation was done to learn. And in...
Forum: News 04 May 2014, 10:49
Replies: 678
Views: 216,430
Posted By Johan1973
I agree, that is the way I have been using it as...

I agree, that is the way I have been using it as well, to install programs and games. The software as it is now is fine for a machine that has no harddrive, though it is unsuitable for machines that...
Forum: News 02 May 2014, 15:22
Replies: 678
Views: 216,430
Posted By Johan1973
I understand that this is done as a hobby...

I understand that this is done as a hobby project, and as such there is a limit to the features we can request. It would be interesting though if some people could work on developing the selector...
Forum: News 26 April 2014, 17:49
Replies: 678
Views: 216,430
Posted By Johan1973
Any of those square across diameter ones will do...

Any of those square across diameter ones will do (to clarify, not the round ones, they are to small). A friend of mine did not even solder the pins in place, just stuck them in there and flashed the...
Forum: support.Hardware 25 April 2014, 11:00
Replies: 395
Views: 84,559
Posted By Johan1973
They are 470 uF, 22 uF and 100 uF One 470uF is...

They are 470 uF, 22 uF and 100 uF
One 470uF is in series with IC 5
Forum: support.Hardware 21 April 2014, 09:57
Replies: 395
Views: 84,559
Posted By Johan1973
You need; 2 x 470 uF Electrolyte caps 16V 3...

You need;
2 x 470 uF Electrolyte caps 16V
3 x 22 uF Electrolyte caps 16V
5 x 100 uF Electrolyte caps 16V

Especially around the 22uF ones, beware that the holes are very tight together, so make...
Forum: support.Hardware 21 April 2014, 09:54
Replies: 395
Views: 84,559
Posted By Johan1973
Jackpot. Replaced 470 uFs and the 22 uF beside...

Jackpot. Replaced 470 uFs and the 22 uF beside them, reduced noise by another 5%. I need to get more caps to recap the whole board. But I am now certain that the white dot issue stems from bad caps...
Forum: support.Hardware 21 April 2014, 08:06
Replies: 395
Views: 84,559
Posted By Johan1973
Those are indeed the caps I am talking about. ...

Those are indeed the caps I am talking about. And nice idea about the mounting. You can easily see if the caps you have are by the manufacturer "Cheng". I have run across these caps quite a bit in...
Forum: support.Hardware 20 April 2014, 15:21
Replies: 395
Views: 84,559
Posted By Johan1973
Ah, its the U2311H, mistook the model. I have the...

Ah, its the U2311H, mistook the model. I have the S2740L (it does not accept 15khz).

Found that part of the problem is the caps on the GBS 8220, they are cheap chinese caps, specifically those for...
Forum: support.Hardware 20 April 2014, 03:39
Replies: 395
Views: 84,559
Posted By Johan1973
Very interesting. And I see you have the same...

Very interesting. And I see you have the same monitor as I do, though I have not hooked the amiga up to that one yet. I will test that. Just to exclude that part of the equation..
Forum: support.Hardware 19 April 2014, 23:07
Replies: 395
Views: 84,559
Posted By Johan1973
The C= made one gives RGBHV out, yes. And as I...

The C= made one gives RGBHV out, yes. And as I suspected, it does not conform to what the GBS boards want to display an image, and we have to resort to composite sync.
Forum: support.Hardware 19 April 2014, 17:34
Replies: 395
Views: 84,559
Posted By Johan1973
Cable is about 15 cm in all, and it really is...

Cable is about 15 cm in all, and it really is luck of the draw. Some do not have a problem with the GBS 8220, and some have. Even between the two remaining good ones I have, there is differences that...
Forum: support.Hardware 19 April 2014, 16:20
Replies: 395
Views: 84,559
Posted By Johan1973
I tested using standard PAL screen mode, hoping...

I tested using standard PAL screen mode, hoping it would do 15 Khz RGBHV, but it refuses, just states "no signal".
Forum: support.Hardware 19 April 2014, 14:15
Replies: 395
Views: 84,559
Posted By Johan1973
Perhaps we should discuss this new adapter in...

Perhaps we should discuss this new adapter in another thread, and not hijack this one that is for the users of GBS 8220?

The GBS 8200/8220 is a decent adapter for getting vga from amiga for its...
Forum: support.Hardware 19 April 2014, 12:01
Replies: 395
Views: 84,559
Posted By Johan1973
Well, it behaves the same as the GBS 8220 in the...

Well, it behaves the same as the GBS 8220 in the deinterlacing regard.

My question was, though perhaps a bit unclear, directed to kipper2k regarding the RGB to HDMI device he linked :)

Still...
Forum: support.Hardware 18 April 2014, 17:55
Replies: 395
Views: 84,559
Posted By Johan1973
I have ordered one now. Will take about a month...

I have ordered one now. Will take about a month for it to arrive. Hope it can handle even unorthodox timings and resolutions like the c64 etc.
Forum: support.Hardware 18 April 2014, 13:34
Replies: 395
Views: 84,559
Posted By Johan1973
Sweet. :) Does it do aspect ratio correction...

Sweet. :)

Does it do aspect ratio correction as well? (since amiga use 4:3 and 1080p is 16:9)
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