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Search: Posts Made By: tnt23
Forum: support.Hardware 15 October 2018, 13:37
Replies: 34
Views: 1,272
Posted By tnt23
I double the leg cutting strategy. I would only...

I double the leg cutting strategy. I would only suggest being very cautious as certain cutters can bend legs which leads to unwanted impact on solder pads and tracks.

Perhaps a sharp knife could...
Forum: News 14 October 2018, 22:32
Replies: 245
Views: 13,354
Posted By tnt23
Impressive job Kipper!

Impressive job Kipper!
Forum: Hardware pics 26 September 2018, 09:21
Replies: 43
Views: 10,301
Posted By tnt23
Lack of time primarily, and number of other...

Lack of time primarily, and number of other things in life. I am hoping to update the design as soon as environment is ready (3000 with 3660 is ready, need to solve storage issues etc).
Forum: Hardware pics 25 September 2018, 15:23
Replies: 43
Views: 10,301
Posted By tnt23
Haven't updated it since 2014 I am afraid, so the...

Haven't updated it since 2014 I am afraid, so the project is stalled, for the lack of better word.
Forum: Hardware mods 01 September 2018, 22:50
Replies: 80
Views: 3,646
Posted By tnt23
No I did not, I believe it has something to do...

No I did not, I believe it has something to do with clocks and RAMSEY and DMAC as SpeedGeek was pointing out here and there.
Forum: Hardware mods 01 September 2018, 22:32
Replies: 80
Views: 3,646
Posted By tnt23
Almost for sure missing it (never had a slightest...

Almost for sure missing it (never had a slightest idea I would need one for 040/060 board), does it relate to SCSI? I thought this was known issue with RAMSEY+DMAC with 040/060 and clocks over 20MHz,...
Forum: Hardware mods 01 September 2018, 22:29
Replies: 80
Views: 3,646
Posted By tnt23
Might not be specifically 060 related, but...

Might not be specifically 060 related, but appeared once I have installed 3640 and later 3660 cards in my A3000. SCSI has become extremely unstable since.
Forum: Hardware mods 31 August 2018, 22:40
Replies: 80
Views: 3,646
Posted By tnt23
As a proud owner of A3000 with 060 and thus...

As a proud owner of A3000 with 060 and thus non-working SCSI, I'd appreciate SD or even plain IDE
Forum: Hardware mods 30 July 2018, 22:24
Replies: 164
Views: 13,730
Posted By tnt23
O.m.g.

O.m.g.
Forum: Hardware mods 14 July 2018, 12:24
Replies: 0
Views: 438
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, 10:08
Replies: 51
Views: 7,258
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, 17:03
Replies: 51
Views: 7,258
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, 09:21
Replies: 51
Views: 7,258
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, 09:41
Replies: 51
Views: 7,258
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, 23:29
Replies: 51
Views: 7,258
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, 11:49
Replies: 51
Views: 7,258
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, 13:39
Replies: 51
Views: 7,258
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, 13:33
Replies: 79
Views: 5,605
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, 01:35
Replies: 79
Views: 5,605
Posted By tnt23
Will DiagROM work with 060?

Will DiagROM work with 060?
Forum: Hardware mods 10 April 2018, 23:17
Replies: 51
Views: 7,258
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, 23:07
Replies: 51
Views: 7,258
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, 22:49
Replies: 51
Views: 7,258
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, 22:11
Replies: 84
Views: 8,905
Posted By tnt23
@PR77, KiCad rulez!

@PR77, KiCad rulez!
Forum: Hardware mods 28 October 2017, 23:03
Replies: 51
Views: 7,258
Posted By tnt23
Pure awesomeness!

Pure awesomeness!
Forum: Hardware mods 05 September 2017, 20:49
Replies: 4,059
Views: 354,177
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, 14:45
Replies: 4,059
Views: 354,177
Posted By tnt23
Thanks mate :)

Thanks mate :)
Forum: Hardware mods 05 September 2017, 11:59
Replies: 4,059
Views: 354,177
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, 11:53
Replies: 928
Views: 121,388
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, 22:16
Replies: 4,059
Views: 354,177
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, 20:53
Replies: 4,059
Views: 354,177
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, 12:11
Replies: 14
Views: 3,721
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, 18:56
Replies: 10
Views: 2,044
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, 07:56
Replies: 14
Views: 3,721
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, 21:09
Replies: 10
Views: 2,625
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, 23:40
Replies: 27
Views: 2,084
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, 22:05
Replies: 27
Views: 2,084
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, 21:42
Replies: 27
Views: 2,084
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, 21:12
Replies: 10
Views: 2,625
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, 20:27
Replies: 27
Views: 2,084
Posted By tnt23
And so much for active termination :)

And so much for active termination :)
Forum: support.Hardware 06 November 2015, 15:20
Replies: 27
Views: 2,084
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?
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