English Amiga Board


Go Back   English Amiga Board > Search Forums

Showing results 1 to 40 of 313
Search took 0.02 seconds.
Search: Posts Made By: tnt23
Forum: Hardware mods 30 July 2018, 21:24
Replies: 159
Views: 10,050
Posted By tnt23
O.m.g.

O.m.g.
Forum: Hardware mods 14 July 2018, 11:24
Replies: 0
Views: 239
Posted By tnt23
Chinon FB354 LED - Solved

So I was swapping original but dead Chinon FB354 on my A3000 for a working FB354 from A500. Transplanted eject button and replaced electrolytes, and the drive was almost perfect, except for the dodgy...
Forum: Hardware mods 13 July 2018, 09:08
Replies: 51
Views: 6,117
Posted By tnt23
My PLCC-DIP boards also came from China in a set...

My PLCC-DIP boards also came from China in a set with PLCC extractor, worked like a charm. At least your programmer works in Windows XP, I had to run Windows 95 on an LPT-equipped laptop :)

So far...
Forum: Hardware mods 11 July 2018, 16:03
Replies: 51
Views: 6,117
Posted By tnt23
I've got an Amiga 1000 stuck in the US, probably...

I've got an Amiga 1000 stuck in the US, probably instead of trying to ship it overseas I should sell it and buy $500 programmer :-)

On a serious note though. At some point I was thinking of...
Forum: Hardware mods 10 July 2018, 08:21
Replies: 51
Views: 6,117
Posted By tnt23
I was using files from John's page, too. I...

I was using files from John's page, too. I suspect I might overwrite the file in question by mistake when reading out different GALs (GAL16V8 and ATF16V8) using TL866 software.

Perphaps you might...
Forum: Hardware mods 09 July 2018, 08:41
Replies: 51
Views: 6,117
Posted By tnt23
Turned out I kept flashing wrong JED to U208...

Turned out I kept flashing wrong JED to U208 LEBUS GAL. After replacing it with the known good one (taken from http://www.amigawiki.de/doku.php?id=de:parts:pld_download), the board works just fine.
...
Forum: Hardware mods 17 June 2018, 22:29
Replies: 51
Views: 6,117
Posted By tnt23
(Cannot afford spending that much money on a...

(Cannot afford spending that much money on a programmer just for GALs)

LA shows the CPU does two quick long reads and then goes fetching with big timeouts (9us). I suspect second long read which...
Forum: Hardware mods 16 June 2018, 10:49
Replies: 51
Views: 6,117
Posted By tnt23
'smee again. Upon a close inspection the U205...

'smee again. Upon a close inspection the U205 contents turned out to be wrong, shifted by one bit. Somehow the GALblast software did not signal verification error on this. I have re-flashed U205 anew...
Forum: Hardware mods 12 June 2018, 12:39
Replies: 51
Views: 6,117
Posted By tnt23
So I've checked the logics, everything seems OK....

So I've checked the logics, everything seems OK. I have then started debugging GAL chips as they were rather flaky when programming. Sometimes verify failed, sometimes the chip just would not program...
Forum: support.Hardware 03 June 2018, 12:33
Replies: 70
Views: 4,133
Posted By tnt23
On an A500 I was resurrecting for a friend,...

On an A500 I was resurrecting for a friend, either U38 or U39 was bad and would not let the computer start normally. Got extremely hot right from turning power on. (We just chopped both off, did not...
Forum: support.Hardware 26 May 2018, 00:35
Replies: 70
Views: 4,133
Posted By tnt23
Will DiagROM work with 060?

Will DiagROM work with 060?
Forum: Hardware mods 10 April 2018, 22:17
Replies: 51
Views: 6,117
Posted By tnt23
Thanks Chucky, I will double check the chips in...

Thanks Chucky, I will double check the chips in question. R401 is in place, it was in fact R101 that I have soldered incorrectly first (put both 5ns and 10ns links :))
Forum: Hardware mods 10 April 2018, 22:07
Replies: 51
Views: 6,117
Posted By tnt23
Could this be the reason it won't even start with...

Could this be the reason it won't even start with full 060RC50? Power LED stays dim.
Forum: Hardware mods 10 April 2018, 21:49
Replies: 51
Views: 6,117
Posted By tnt23
Should the 3660 work in A3000 where A3640 lived...

Should the 3660 work in A3000 where A3640 lived happily? Same motherboard jumpers settings, unmodified KS3.1?
Forum: support.Hardware 19 February 2018, 21:11
Replies: 79
Views: 7,333
Posted By tnt23
@PR77, KiCad rulez!

@PR77, KiCad rulez!
Forum: Hardware mods 28 October 2017, 22:03
Replies: 51
Views: 6,117
Posted By tnt23
Pure awesomeness!

Pure awesomeness!
Forum: Hardware mods 05 September 2017, 19:49
Replies: 3,419
Views: 296,319
Posted By tnt23
Just in case, I have to say that supaduper was...

Just in case, I have to say that supaduper was unable to assist due to reasons which I fully understand. Thanks everyone concerned, let's take this off topic.
Forum: Hardware mods 05 September 2017, 13:45
Replies: 3,419
Views: 296,319
Posted By tnt23
Thanks mate :)

Thanks mate :)
Forum: Hardware mods 05 September 2017, 10:59
Replies: 3,419
Views: 296,319
Posted By tnt23
Failed to purchase the board due to shipment...

Failed to purchase the board due to shipment exclusions. Anyone willing to part with one for Russia, or should I arrange shipping address in the UK?
Forum: News 13 August 2017, 10:53
Replies: 895
Views: 104,109
Posted By tnt23
Throw in cheap BT UART dongle and use your...

Throw in cheap BT UART dongle and use your smartphone :)
Forum: Hardware mods 07 June 2017, 21:16
Replies: 3,419
Views: 296,319
Posted By tnt23
Could somebody please show me to the info on how...

Could somebody please show me to the info on how to order boards from DirtyPCBs the right way? Search through the thread does not seem to help.

Edit: never mind, I did not bother to read the...
Forum: Hardware mods 18 April 2017, 19:53
Replies: 3,419
Views: 296,319
Posted By tnt23
@Mathesar: cool! Looks like you are using KiCad :)

@Mathesar: cool! Looks like you are using KiCad :)
Forum: support.Hardware 19 December 2016, 11:11
Replies: 14
Views: 3,472
Posted By tnt23
Here it is, split into 2 parts for better viewing.

Here it is, split into 2 parts for better viewing.
Forum: News 14 December 2016, 17:56
Replies: 10
Views: 1,984
Posted By tnt23
Hackaday: "AMIGA ZORRO HDMI GRAPHICS CARD HITS THE MARKET"

Haven't seen this anywhere in the news locally, so enjoy :)

http://hackaday.com/2016/12/10/amiga-zorro-hdmi-graphics-card-hits-the-market/
Forum: support.Hardware 08 December 2016, 06:56
Replies: 14
Views: 3,472
Posted By tnt23
Hi Hanzu, It has been a while :) I am afraid...

Hi Hanzu,

It has been a while :) I am afraid the drawing in question was done in PCad and I have since switched to KiCad suite. Let me browse through the archives and see if I still have the...
Forum: Hardware mods 07 November 2015, 20:09
Replies: 10
Views: 2,517
Posted By tnt23
@SpeedGeek, thanks for your reply. I...

@SpeedGeek, thanks for your reply.



I made the cut'n'jumper mod but did not feel any difference since.

I have then decided to restore 10ns tap, and this seems to positively impact things. No...
Forum: support.Hardware 06 November 2015, 22:40
Replies: 27
Views: 2,004
Posted By tnt23
Absolutely. I suspect there could be third...

Absolutely. I suspect there could be third parties' backplanes with active termination.

Making own daughterboard replacement is also interesting. Throw away unused ISA slots, integrate Zorro...
Forum: support.Hardware 06 November 2015, 21:05
Replies: 27
Views: 2,004
Posted By tnt23
No, cards are not terminated. At least card side...

No, cards are not terminated. At least card side termination is never mentioned anywhere in Zorro documentation.
Forum: support.Hardware 06 November 2015, 20:42
Replies: 27
Views: 2,004
Posted By tnt23
Similar to what happens in SCSI world, only first...

Similar to what happens in SCSI world, only first and last devices on the bus have termination, nodes in the middle don't. Must be something with small node stubs lengths compared to (terminated) bus...
Forum: Hardware mods 06 November 2015, 20:12
Replies: 10
Views: 2,517
Posted By tnt23
I have had a closer look at my A3640 and it...

I have had a closer look at my A3640 and it turned out that it had been upgraded from v3.0 to v3.2, however I don't see any 'cut and jumper' fix on U200 chip. There obviously had been some soldering...
Forum: support.Hardware 06 November 2015, 19:27
Replies: 27
Views: 2,004
Posted By tnt23
And so much for active termination :)

And so much for active termination :)
Forum: support.Hardware 06 November 2015, 14:20
Replies: 27
Views: 2,004
Posted By tnt23
Nothing is wrong with active termination, perhaps...

Nothing is wrong with active termination, perhaps except that it is not used in stock Zorro daughterboards?
Forum: support.Hardware 06 November 2015, 13:21
Replies: 27
Views: 2,004
Posted By tnt23
And here's the result of replacing 220/330 packs...

And here's the result of replacing 220/330 packs with 330/470.

http://www.amiga.org.ru/forum/download/file.php?id=1335
Forum: Hardware mods 03 November 2015, 15:59
Replies: 10
Views: 2,517
Posted By tnt23
If overclocking is not the main goal, is the...

If overclocking is not the main goal, is the SDMAC-04 really needed to overcome SCSI problems with A3640?
Forum: support.Hardware 20 October 2015, 19:19
Replies: 27
Views: 2,004
Posted By tnt23
@hooverphonique :agree Anyway, I have...

@hooverphonique :agree

Anyway, I have ordered new Bourns dual term 330/470 packs. They will take some time to arrive, so I de-soldered old 220/330 packs. They look rather rusty, I had tough time...
Forum: support.Hardware 20 October 2015, 09:13
Replies: 27
Views: 2,004
Posted By tnt23
@Steady I will also check the ripple on +5V...

@Steady

I will also check the ripple on +5V rail and clean the connectors. I have tried a separate power feed to the riser, it added 0.3v but I did not like the idea of the loop it might create,...
Forum: support.Hardware 19 October 2015, 20:52
Replies: 27
Views: 2,004
Posted By tnt23
Peeking inside the PSU is something I have been...

Peeking inside the PSU is something I have been avoiding from when I bought this A3000 in 2007. However it does develop 5.1v measured on HDD connector, this makes me think main voltage drop occurs...
Forum: support.Hardware 19 October 2015, 20:02
Replies: 27
Views: 2,004
Posted By tnt23
@SpeedGeek thanks for showing me to the addendum....

@SpeedGeek thanks for showing me to the addendum. I should have studied it better :) How do I tell if my resistor arrays have been incorrectly soldered? They bear no markings, at least I cannot see...
Forum: support.Hardware 19 October 2015, 13:48
Replies: 27
Views: 2,004
Posted By tnt23
74F646 bus drivers are TTL though. I will see if...

74F646 bus drivers are TTL though. I will see if I have any 74F chips in the junkbox to build a test bench.
Forum: support.Hardware 19 October 2015, 13:01
Replies: 27
Views: 2,004
Posted By tnt23
Michael, thanks for the link. To be honest, it is...

Michael, thanks for the link. To be honest, it is regarding SCSI, and I seem to have trouble understanding Zorro bus physical aspects.

However, you made a great point regarding SCSI: I can take a...
Showing results 1 to 40 of 313

 
Forum Jump

All times are GMT +2. The time now is 12:09.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2018, vBulletin Solutions Inc.
Page generated in 0.08699 seconds with 10 queries