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Search: Posts Made By: pandy71
Forum: support.Hardware 19 November 2017, 15:00
Replies: 16
Views: 503
Posted By pandy71
Can't give you resistor values as my Amiga PSU's...

Can't give you resistor values as my Amiga PSU's are currently not easy reachable - if picture is not distorted then one of output el capacitors looks like slightly poofed - maybe this was main...
Forum: support.Hardware 19 November 2017, 14:50
Replies: 12
Views: 317
Posted By pandy71
Solder solidified to quickly and was unable to...

Solder solidified to quickly and was unable to create electric connection (probably IC pins oxidized).

And yes - you are very lucky!
Forum: support.Hardware 18 November 2017, 20:01
Replies: 12
Views: 317
Posted By pandy71
Too much solder on iron tip dropped in very bad...

Too much solder on iron tip dropped in very bad place...? probably cooled very quickly and should be easy to be removed manually...
Forum: Amiga scene 13 November 2017, 00:10
Replies: 4
Views: 185
Posted By pandy71
Perhaps this can be useful - discovered...

Perhaps this can be useful - discovered accidentally yesterday.
https://github.com/Kalmalyzer/adpcm-68k
Forum: Hardware mods 28 October 2017, 12:50
Replies: 26
Views: 1,589
Posted By pandy71
It will be - you can't find anything with 4 core...

It will be - you can't find anything with 4 core CPU, over 1GHz clocked with 1GB of RAM, fully programmable modern, 3D capable GPU for less than 35$.
With relatively simple glue logic and PCB should...
Forum: support.WinUAE 26 October 2017, 20:48
Replies: 104
Views: 5,316
Posted By pandy71
USB can be forced to work in low latency mode at...

USB can be forced to work in low latency mode at a cost of higher CPU load (or rather more frequent interrupts that destroy modern CPU code flow).
USB latency can be verified for example with help...
Forum: Coders. Asm / Hardware 20 October 2017, 16:57
Replies: 10
Views: 545
Posted By pandy71
Perhaps...

Perhaps http://aminet.net/package/dev/misc/PCHGLib14 ?
Forum: Hardware mods 19 October 2017, 16:25
Replies: 26
Views: 1,589
Posted By pandy71
Look at the Amiga schematic - port B of the EVEN...

Look at the Amiga schematic - port B of the EVEN CIA is dedicated to provide floppy subsystem control - this is 8 bit bidirectional data, additionally F is connected to INDEX....
Forum: Amiga scene 10 October 2017, 14:32
Replies: 6
Views: 585
Posted By pandy71
Hope you've heard something about: ...

Hope you've heard something about:
https://en.wikipedia.org/wiki/Peer-to-peer
https://en.wikipedia.org/wiki/The_Pirate_Bay
https://en.wikipedia.org/wiki/Warez
etc...
Forum: Hardware mods 29 September 2017, 20:24
Replies: 26
Views: 1,589
Posted By pandy71
Floppy port can be used on two way (serial for...

Floppy port can be used on two way (serial for data and GPIO - 8 bit to arrange HW data flow) to improve functionality further...
Forum: Hardware mods 29 September 2017, 15:46
Replies: 26
Views: 1,589
Posted By pandy71
No need to be sarcastic - RPi can also run...

No need to be sarcastic - RPi can also run browser and provide pre-rendered screens (perhaps even as plain CHIP RAM to be displayed almost without using 68k) - running web browser on 1GB RAM and 4MB...
Forum: Hardware mods 28 September 2017, 02:23
Replies: 26
Views: 1,589
Posted By pandy71
IMHO Compute Module may be considered as...

IMHO Compute Module may be considered as versatile extension (coprocessor, graphic board, intelligent I/O etc). IMHO there is a sense to make Zorro board with interface to Amiga with CM RPi....
Forum: support.Hardware 25 September 2017, 02:52
Replies: 7
Views: 319
Posted By pandy71
You can buy some DC\DC converter modules - you...

You can buy some DC\DC converter modules - you will need 1 module for boost (12V) based for example on LM2577 or better (higher current capable) and one module capable to invert voltage (changing 12V...
Forum: Hardware mods 25 September 2017, 02:36
Replies: 14
Views: 480
Posted By pandy71
Quite common with poorly designed HDMI devices...

Quite common with poorly designed HDMI devices and HDMI standard is partially responsible for this - normally this should not happened but even experienced companies doing such mistake in their HW -...
Forum: support.Hardware 26 August 2017, 13:57
Replies: 11
Views: 706
Posted By pandy71
Plastic can be softened in lower temperatures - i...

Plastic can be softened in lower temperatures - i would say with this type of precious stuff don't go over 45Cdeg (IMHO).
Forum: Amiga scene 26 August 2017, 13:53
Replies: 9
Views: 608
Posted By pandy71
Great, THX XTD, Your tunes from Pro S.I.A.K. and...

Great, THX XTD, Your tunes from Pro S.I.A.K. and TD are one of best and always good to hear them.
Forum: News 26 August 2017, 13:48
Replies: 196
Views: 20,806
Posted By pandy71
My 2 cents direct conclusion from this topic:...

My 2 cents direct conclusion from this topic: Already Divided before something Happened... great and optimistic... Thumbs up for Apollo and Vampire Team, thumbs down for FUD promoters. To all - have...
Forum: support.Hardware 26 August 2017, 13:05
Replies: 17
Views: 701
Posted By pandy71
My advise - take decent hot air blower (hot air...

My advise - take decent hot air blower (hot air gun - they are just hotter air dryer), buy tin paste used by plumbers in copper pipe installations, remove rust wit sandpaper, place small amount of...
Forum: support.Hardware 16 August 2017, 19:42
Replies: 31
Views: 1,643
Posted By pandy71
You can display more than 262,144 colors at the...

You can display more than 262,144 colors at the same time - http://www.amigans.net/modules/AMS/article.php?storyid=22
Forum: support.Hardware 14 August 2017, 11:52
Replies: 22
Views: 2,718
Posted By pandy71
I've meet such epoxy brick once (smaller/narrower...

I've meet such epoxy brick once (smaller/narrower enclosure than original A500 PSU ) and it was possible to unscrew it but it was unserviceable either... should have somewhere some pieces perhaps...
Forum: Hardware mods 14 August 2017, 11:13
Replies: 18
Views: 843
Posted By pandy71
Small increase in voltage (not more than +10% to...

Small increase in voltage (not more than +10% to stay within safe limit) may improve chances for stable overclocking, probably best way will be use of some programmable frequency generator and using...
Forum: support.Hardware 11 August 2017, 22:33
Replies: 22
Views: 2,718
Posted By pandy71
AFAIR screws are located at bottom, they may be...

AFAIR screws are located at bottom, they may be or Torx type or special 2 pin safety screws - there are special safety bits sets available for this...
Forum: News 06 August 2017, 14:10
Replies: 3
Views: 984
Posted By pandy71
Pale Moon 26.5 - Guru with "Javascript support is...

Pale Moon 26.5 - Guru with "Javascript support is not suffcient".
Forum: Amiga scene 05 August 2017, 20:04
Replies: 44
Views: 3,084
Posted By pandy71
Cursor color constantly changing - seem or this...

Cursor color constantly changing - seem or this is not HAM or it is HAM but with CLUT optimization for every frame.
Forum: support.Hardware 05 August 2017, 16:03
Replies: 31
Views: 1,643
Posted By pandy71
Indivision is special case where native chipset...

Indivision is special case where native chipset was reimplemented in FPGA and can be considered as natural extension for chipset (it can interpret differently than chipset data from internal memory...
Forum: support.Hardware 27 July 2017, 02:00
Replies: 64
Views: 8,838
Posted By pandy71
Well - please allow me to disagree with you. ...

Well - please allow me to disagree with you.
With such data (Mitsubishi monitor inf file):
[VS-1280.AddReg]
HKR,"MODES\1600,1200",Mode1,,"15.0-100.0,40.0-150.0,+,+"...
Forum: support.Hardware 25 July 2017, 10:43
Replies: 64
Views: 8,838
Posted By pandy71
Info about HSync and VSync range can be easily...

Info about HSync and VSync range can be easily extracted from windows *.inf files - this is largest commonly available database for those parameters - perhaps some simple script can make this...
Forum: support.Hardware 24 July 2017, 22:14
Replies: 14
Views: 418
Posted By pandy71
AC coupling due of fact that video signal source...

AC coupling due of fact that video signal source may have DC offset (fully legal and allowed by SCART standard up to +2V).

As i said LED can be used as Zener diode (LED in normal, conductive way,...
Forum: support.Hardware 24 July 2017, 01:58
Replies: 14
Views: 418
Posted By pandy71
It can be AC coupled and btw seem plenty of...

It can be AC coupled and btw seem plenty of mixing impedance with resistance... there is subtle but important difference.

I always recommend using diodes (Green LED, Zener or even few normal Si...
Forum: Coders. Asm / Hardware 18 July 2017, 20:31
Replies: 172
Views: 15,048
Posted By pandy71
Well... then Macintosh is way beyond any...

Well... then Macintosh is way beyond any competition... (for 68k machine).
Forum: Coders. Asm / Hardware 18 July 2017, 20:20
Replies: 172
Views: 15,048
Posted By pandy71
Tell me more - i could do at the beginning of...

Tell me more - i could do at the beginning of 90's side by side comparison between 286 (16MHz) and 386SX (also 16MHz) vs A500 - had impression that both PC was incapable to offer such graphics and...
Forum: support.Hardware 18 July 2017, 20:15
Replies: 32
Views: 1,460
Posted By pandy71
Fix it - Czech is full of creative and skilled...

Fix it - Czech is full of creative and skilled people and such repair is nothing unusual nowadays (people fixing smartphones or more challenging due modern component sizes equipment).

Worse case...
Forum: Amiga scene 02 July 2017, 15:06
Replies: 295
Views: 15,317
Posted By pandy71
Nope. And? You need more speed then...

Nope.



And? You need more speed then you need use more resources and this mean you need to pay for this - very simple - it works in PC world from years.
Forum: Amiga scene 30 June 2017, 13:07
Replies: 295
Views: 15,317
Posted By pandy71
So instead pushing for hyperthreading you should...

So instead pushing for hyperthreading you should push for more cores... they are more efficient than HT.
Forum: Amiga scene 30 June 2017, 02:04
Replies: 295
Views: 15,317
Posted By pandy71
Well... look at RPi3 which is 4 core ARM when...

Well... look at RPi3 which is 4 core ARM when compared to single core RPi1 however memory subsystem architecture is almost same - so yes - 4 cores sharing bus with GPU and few other blocks (also DMA)...
Forum: Amiga scene 29 June 2017, 21:54
Replies: 295
Views: 15,317
Posted By pandy71
Short: Meynaf is right, Long: DMA can provide...

Short: Meynaf is right,
Long: DMA can provide time deterministic response for time critical event which is usually beyond capabilities of the modern CPU's (unless special CPU's design) nowadays DMA...
Forum: Amiga scene 25 June 2017, 01:38
Replies: 44
Views: 3,084
Posted By pandy71
ffmpeg can create files with CLUT (CLUT can be...

ffmpeg can create files with CLUT (CLUT can be computed for whole video sequence or independently for every frame as separate step) and ffmpeg quality is not bad....
Forum: Hardware mods 17 June 2017, 14:13
Replies: 33
Views: 2,239
Posted By pandy71
Kicad of course and if you can accept license...

Kicad of course and if you can accept license conditions you may be interested in DesignSpark https://www.rs-online.com/designspark/home particularly...
Forum: Hardware mods 13 June 2017, 22:19
Replies: 22
Views: 1,666
Posted By pandy71
+1 - i also recommend this family of paints -...

+1 - i also recommend this family of paints - they are easy to apply, structure is quite nice (rubber like) and best - they can be easily removed and reapplied if necessary.
...
Forum: Amiga scene 10 May 2017, 21:29
Replies: 38
Views: 3,401
Posted By pandy71
Please define "real graphics resolution" , be...

Please define "real graphics resolution" , be aware that Amiga can display on OCS anything from 15Hz up (assume 1024 limit) and on ECS from 7.5Hz up (and stilll this is not HW limit) side to this ST...
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