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Search: Posts Made By: Krashan
Forum: support.Hardware 21 June 2020, 20:08
Replies: 1
Views: 139
Posted By Krashan
Just select 60 Hz output modes in Indivision...

Just select 60 Hz output modes in Indivision prefs for all Amiga modes you use.
Forum: support.Hardware 10 June 2020, 18:11
Replies: 8
Views: 578
Posted By Krashan
Audio outputs from Paula are present on the turbo...

Audio outputs from Paula are present on the turbo card slot of Amiga 1200, so there is no need for piggybacking.
Forum: support.Hardware 11 March 2020, 19:43
Replies: 4
Views: 443
Posted By Krashan
It can be harmed (or rather data on it, not the...

It can be harmed (or rather data on it, not the card itself) if you manage to switch off the Amiga during pending write operation.
Forum: Coders. General 07 March 2020, 20:33
Replies: 2
Views: 583
Posted By Krashan
One can use datatype system on AmigaOS 3.0+.

One can use datatype system on AmigaOS 3.0+.
Forum: support.Hardware 04 March 2020, 12:10
Replies: 3
Views: 339
Posted By Krashan
I doubt it will help in this case. Looks like...

I doubt it will help in this case. Looks like some serious hardware fault, maybe broken one bit of chipset data path.
Forum: support.Hardware 16 February 2020, 22:03
Replies: 24
Views: 992
Posted By Krashan
You can try with poor man's degaussing loop. Get...

You can try with poor man's degaussing loop. Get a transformer soldering gun and fit a "tip" in a shape of small circle (diameter about 3 cm). Then use it as normal loop, just remember it is very...
Forum: Hardware mods 19 January 2020, 20:58
Replies: 10
Views: 858
Posted By Krashan
I have outsourced printing to specialists in...

I have outsourced printing to specialists in printing on plastics. So this is kind of printing, all I can say.
Forum: Hardware mods 19 January 2020, 18:49
Replies: 10
Views: 858
Posted By Krashan
Yes, I have decided to go with 7U spacebar and...

Yes, I have decided to go with 7U spacebar and alter layout a bit. On the other hand I can get whatever legends I want on the keycaps as well.

http://cdn.rastport.com/var/keycaps.jpg
Forum: Hardware mods 18 January 2020, 18:07
Replies: 10
Views: 858
Posted By Krashan
My bet is they are not cheap. I have started my...

My bet is they are not cheap. I have started my design in March 2019, now working on fifth version (rev. E) of the prototype. I do have working and fully usable rev. D prototype in my A1200, but it...
Forum: Hardware mods 18 January 2020, 15:30
Replies: 10
Views: 858
Posted By Krashan
Things are being worked on at rastport.com, but...

Things are being worked on at rastport.com, but it is a bit too early for official announcement. I prefer to have everything ready and tested, before going public.
Forum: Coders. Scripting 18 December 2019, 14:59
Replies: 2
Views: 951
Posted By Krashan
ShowConfig?

ShowConfig?
Forum: Amiga scene 08 December 2019, 12:54
Replies: 41
Views: 5,571
Posted By Krashan
Just wanted to check if my first place still...

Just wanted to check if my first place still holds ;-), but there is Network Error reported. Other network apps like AmIRC or FTP work, so I suspect some problem on the server side.
Forum: Hardware mods 05 December 2019, 07:48
Replies: 163
Views: 73,069
Posted By Krashan
Anything that will rise high level on pin 39...

Anything that will rise high level on pin 39 (ACTIVE) from 3.3 to 5.0 V. MOS transistor, LS or HCT non-inverting logic gate... Example schematic diagram here: https://rastport.com/products/KA47/
Forum: support.Hardware 27 November 2019, 08:52
Replies: 7
Views: 562
Posted By Krashan
VGA Modes is just a window of Indivision Prefs...

VGA Modes is just a window of Indivision Prefs tool. One opens it via menu item.

The best mode to use depends on your personal preferences. Amiga cannot produce 1920×1080 video, so there has to be...
Forum: Hardware mods 05 November 2019, 14:31
Replies: 29
Views: 4,863
Posted By Krashan
In case of A1200 there is only one free...

In case of A1200 there is only one free connection in the matrix (matrix is 15 columns by 6 rows). However it seems the MPU does not generate any code for it.
Forum: support.Hardware 27 October 2019, 20:33
Replies: 7
Views: 496
Posted By Krashan
As two KA60 gave the same negative result (and...

As two KA60 gave the same negative result (and each piece is tested before shipping to distributors), one should consider two other possibilities:
1. Damaged SD2IDE converter.
2. Damaged LED...
Forum: support.Hardware 25 October 2019, 22:56
Replies: 7
Views: 496
Posted By Krashan
Can you provide a photo how it is mounted in your...

Can you provide a photo how it is mounted in your Amiga (also with SD2IDE adapter connected)?
Forum: support.Hardware 22 September 2019, 10:42
Replies: 26
Views: 1,622
Posted By Krashan
I see two problems here. 1. Using very high...

I see two problems here.

1. Using very high resolutions you can easily run out of chip memory. For example, for 1280×1024 each screen bitplane takes 160 kB. So 8 color screen eats almost ¼ of the...
Forum: support.Hardware 12 September 2019, 10:13
Replies: 26
Views: 1,622
Posted By Krashan
Indi AGA has no sync to Amiga vertical blanking,...

Indi AGA has no sync to Amiga vertical blanking, so getting 50 Hz is moot point. I've done some experiments. For example managed to get 50.014 Hz refresh, but then scroll tearing was more noticeable...
Forum: support.Hardware 09 September 2019, 09:38
Replies: 26
Views: 1,622
Posted By Krashan
If you want to have full size image, pixel exact,...

If you want to have full size image, pixel exact, without borders, go for 1280×1024 display. It means 17" or 19" with 5:4 ratio. DVI input is a must, as it gives you full control over image...
Forum: support.Hardware 31 August 2019, 21:21
Replies: 18
Views: 615
Posted By Krashan
My way to do it: 1. Hot air handle mounted...

My way to do it:

1. Hot air handle mounted in retort stand, set to 160°C, heating the PCB from the bottom side (mainboard placed upside down), preheating for 5 minutes.
2. Apply gel flux to the...
Forum: Hardware mods 31 August 2019, 21:12
Replies: 4
Views: 868
Posted By Krashan
This usually won't help, or just make artifacts...

This usually won't help, or just make artifacts to appear a few minutes later. This is my story of fixing this problem: https://rastport.com/techblog/removing-aga-display-trashes/
Forum: Hardware mods 05 August 2019, 08:18
Replies: 6
Views: 765
Posted By Krashan
It does, at least v 2.3. A few notes from some...

It does, at least v 2.3. A few notes from some octave below ProTracker range are mapped to "Play Song", "Play Pattern", "Pause", "Stop" and "Record".
Forum: Hardware mods 17 July 2019, 17:26
Replies: 11
Views: 1,581
Posted By Krashan
One can buy all of these on AliExpress. Price...

One can buy all of these on AliExpress. Price highly depends on quantity and buyer location.
Forum: Hardware mods 16 July 2019, 12:50
Replies: 11
Views: 1,581
Posted By Krashan
From my tests it turns out that maximum cable...

From my tests it turns out that maximum cable length depends on kind and model of PCMCIA card connected. For example my PCMCIA to SD card adapter worked on 25 cm cable, while network card didn't. The...
Forum: Hardware mods 16 July 2019, 09:52
Replies: 11
Views: 1,581
Posted By Krashan
PCMCIA plug, for example Molex 146749-4. Note...

PCMCIA plug, for example Molex 146749-4. Note that regular female pin header 2×34, 1.27 mm pitch won't work, due to different pin diameter. Checked it for myself.
PCMCIA socket, I use Molex...
Forum: Hardware mods 15 July 2019, 18:03
Replies: 11
Views: 1,581
Posted By Krashan
Passive extender works reliably up to 15–20 cm. I...

Passive extender works reliably up to 15–20 cm. I have made a prototype as shown on the photo, then tested with cables of different lengths.

http://cdn.rastport.com/var/ka38_800x600.jpg
Forum: support.Hardware 10 July 2019, 07:55
Replies: 13
Views: 817
Posted By Krashan
I have such hot tweezers and they work very good,...

I have such hot tweezers and they work very good, recapped a few A1200s with them. Problem with snipping is, the plastic base of the capacitor always works as a lever, multiplying force applied to...
Forum: Hardware mods 07 July 2019, 15:29
Replies: 29
Views: 4,863
Posted By Krashan
I'm still working on my project, shown in other...

I'm still working on my project, shown in other thread. I've managed to get Amiga size (1.25 U) function keys printed, PCB has been redesigned accordingly and sent to the factory. Mounting brackets...
Forum: support.Hardware 24 June 2019, 17:04
Replies: 13
Views: 657
Posted By Krashan
Gayle simply does not generate CC_RESET pulse at...

Gayle simply does not generate CC_RESET pulse at all. Usual network card will initialize itself at power on, but some designs may rely on CC_RESET signal to do it. Such a card will be in undefined...
Forum: Coders. C/C++ 16 June 2019, 17:17
Replies: 34
Views: 3,793
Posted By Krashan
This is false. Native GCC 2.95.3 compiles C++ and...

This is false. Native GCC 2.95.3 compiles C++ and I have written a few small apps with it on Amiga 1200. Of course not current C++ standard, but anyway.
Forum: support.Hardware 31 May 2019, 08:40
Replies: 30
Views: 1,415
Posted By Krashan
RastPort KA60 is unbuffered connector, just a...

RastPort KA60 is unbuffered connector, just a "cable" with two ports. SD2IDE adapter is always IDE master, so CD-ROM drive should be set to slave.
Forum: Hardware mods 13 May 2019, 23:27
Replies: 9
Views: 1,618
Posted By Krashan
I work on very similar project since February and...

I work on very similar project since February and just managed to succesfully test the first prototype. I have used Kailh Blue switches (but of course almost any switches may be installed, as they...
Forum: Amiga scene 22 April 2019, 19:24
Replies: 116
Views: 15,995
Posted By Krashan
So true. Demo coders try to squeeze modern...

So true. Demo coders try to squeeze modern effects from more powerful platforms into the A500, loosing all the design in the process. So we have some epic effects looking like bunch of unrelated dots...
Forum: support.Hardware 09 April 2019, 14:47
Replies: 9
Views: 546
Posted By Krashan
Also different voltage levels (TTL instead of ±12...

Also different voltage levels (TTL instead of ±12 V) and optoisolation on receiving side. Especially this second feature is important, as it helps to avoid ground loops.

OctaMed 4 works with KA12....
Forum: support.Hardware 06 February 2019, 10:12
Replies: 2
Views: 324
Posted By Krashan
I would test the setup with some MIDI monitoring...

I would test the setup with some MIDI monitoring program to rule out hardware problems. I use PianoMeter personally, from "CAMD Toolkit" package (it is on Aminet).

Run PianoMeter, select "MIDI...
Forum: support.Hardware 27 January 2019, 19:31
Replies: 10
Views: 1,469
Posted By Krashan
http://cdn.rastport.com/var/sf7.png ...

http://cdn.rastport.com/var/sf7.png

http://cdn.rastport.com/var/sf8.png

It is possible with Indivision AGA. PAL High Res Laced displayed on FullHD monitor. Amiga pixel grid perfectly locked on...
Forum: support.Hardware 18 January 2019, 22:17
Replies: 12
Views: 601
Posted By Krashan
If you insist on using solder paste, never use...

If you insist on using solder paste, never use low temperature paste based on bismuth (Bi). Joints made with it degrade in presence of lead (Pb), are also less stable. It will also make further...
Forum: Hardware mods 18 January 2019, 18:37
Replies: 1
Views: 641
Posted By Krashan
You can set screen position using settings...

You can set screen position using settings program for Indivision.

http://wiki.icomp.de/w/images/1/10/IvAGAMK2_config_V1.5.lha
Forum: support.Hardware 08 January 2019, 09:45
Replies: 4
Views: 494
Posted By Krashan
Damage of LF347 or some shortcut on the board...

Damage of LF347 or some shortcut on the board (for example caused by capacitors leakage). Also lack of -12 V power, but this would affect both channels. Check also C332, if it leaks DC current, there...
Showing results 1 to 40 of 59

 
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