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Search: Posts Made By: hese
Forum: support.Hardware 18 January 2021, 13:48
Replies: 12
Views: 1,120
Posted By hese
Not true. Single-sided 4MB SIMM works perfectly...

Not true. Single-sided 4MB SIMM works perfectly fine as 2MB Chip RAM when J213 is set to 8M and J214 to 8M. Actually sideness does not matter, what matters is how the memory is organized on the SIMM.
Forum: support.Hardware 14 December 2020, 11:33
Replies: 4
Views: 426
Posted By hese
A3000 requires a daughterboard due to the _DTACK...

A3000 requires a daughterboard due to the _DTACK signal. On the A3000 the signal is pulled up on the daughterboard, on the A4000 the signal is pulled up on the motherboard.

If you add a pull-up...
Forum: MarketPlace 09 September 2020, 12:28
Replies: 3
Views: 415
Posted By hese
Declaring interest.

Declaring interest.
Forum: support.Hardware 17 May 2020, 08:07
Replies: 56
Views: 5,787
Posted By hese
Yes, not the same. AA3000+ offers everything that...

Yes, not the same. AA3000+ offers everything that AA3000 does and then some more.
Forum: support.Hardware 05 February 2020, 10:45
Replies: 4
Views: 419
Posted By hese
Yes, you can use a 4MB SIMM in the Chip RAM slot...

Yes, you can use a 4MB SIMM in the Chip RAM slot (U261). Set the jumpers as following: J213=8M, J214=8M.
Forum: support.Hardware 01 February 2020, 14:14
Replies: 4,777
Views: 589,683
Posted By hese
@Hedeon Are you planning on getting...

@Hedeon

Are you planning on getting SonnetAmiga to run on Prometheus PCI bridge also? If it would be of any help, I could send you my A4000 Firebird Daughterboard prototype. It's basically the...
Forum: support.Hardware 05 October 2019, 09:23
Replies: 17
Views: 1,463
Posted By hese
I don't know where you got the "8MB one" but with...

I don't know where you got the "8MB one" but with a 4MB SIMM you get a fully working 2MB chip RAM when the jumper J213 is set to 8M and J214 to 8M.
Forum: Hardware mods 22 September 2019, 16:09
Replies: 473
Views: 72,768
Posted By hese
Here are the board dimensions, drill hole...

Here are the board dimensions, drill hole locations and diameters of the A600 rev 1.5 motherboard. These are measured with a digital caliper by hand so they may not be 100% accurate but should be...
Forum: Hardware mods 20 September 2019, 21:12
Replies: 473
Views: 72,768
Posted By hese
As I said to you, I'll start working on the board...

As I said to you, I'll start working on the board designs (A600 and A1200) when I can. I wasn't humoring you. I did mention that I'm currently very busy with other things and can't start working on...
Forum: Hardware mods 17 August 2019, 10:18
Replies: 139
Views: 26,034
Posted By hese
I would go for SMD parts wherever possible....

I would go for SMD parts wherever possible. Desoldering DIL components from the old board would be a pain even with a desoldering gun. Much less headache to solder new SMD parts instead. True that...
Forum: Hardware mods 13 June 2019, 19:52
Replies: 66
Views: 31,459
Posted By hese
The scandoubler / flickerfixer does not use the...

The scandoubler / flickerfixer does not use the hard-to-find Amber chip. It is based on the Multivision 2000 design which uses much easier to source parts (GALs, memory chips, etc.).

Yes, the...
Forum: Hardware mods 10 June 2019, 18:00
Replies: 66
Views: 31,459
Posted By hese
AA3000+ Amiga 3000 AGA motherboard

Here is a project I've been working on for the past six months.

AA3000+ Motherboard

AA3000+ is an Amiga 3000 AGA motherboard based on the Commodore AA3000 schematics with some improvements...
Forum: Hardware mods 16 September 2018, 13:59
Replies: 159
Views: 32,805
Posted By hese
Would it help you if I convert my A4000+ project...

Would it help you if I convert my A4000+ project to KiCad so you can get the schematics from it (as template) and you could start working on the actual board quicker?
Forum: Hardware mods 16 September 2018, 12:39
Replies: 62
Views: 14,040
Posted By hese
Haven't had time to progress this much for the...

Haven't had time to progress this much for the last few weeks, but here is a snapshot of the rev1.1 production board that I've been working on.
https://thumbs2.imgbox.com/b9/da/P4ShkXWG_t.png...
Forum: Hardware mods 27 August 2018, 11:44
Replies: 62
Views: 14,040
Posted By hese
That is true. The plan is to convert the...

That is true. The plan is to convert the Prometheus code to some more modern chips when I have time.
Forum: Hardware mods 27 August 2018, 11:41
Replies: 62
Views: 14,040
Posted By hese
That can be done but then I'm forced to move to...

That can be done but then I'm forced to move to EATX form factor. I think the current hybrid form factor would be ideal, giving the largest choice of ATX cases to choose from.

The next 2.0...
Forum: Hardware mods 23 August 2018, 12:29
Replies: 62
Views: 14,040
Posted By hese
Yes, I can add support for PC floppy drives....

Yes, I can add support for PC floppy drives. Would Escom style PC floppy support (http://www.softpres.org/article:hard:fixing_the_amiga_technologies_a1200_fdd_connector) be fine or did you have some...
Forum: Hardware mods 20 August 2018, 20:17
Replies: 62
Views: 14,040
Posted By hese
A4000TX ATX Amiga motherboard

Let me introduce to you the latest Amiga motherboard project I've been working on.

A4000TX ATX motherboard, the first Amiga based motherboard in ATX form factor (actually a hybrid ATX/EATX form...
Forum: Hardware mods 18 May 2018, 20:49
Replies: 64
Views: 22,835
Posted By hese
I don't have ispLSIs for sale but if you're...

I don't have ispLSIs for sale but if you're willing to send the chips to me (I'm located in Finland), I'll program all three chips for you. Send me a PM if this sounds good.
Forum: Hardware mods 30 March 2018, 16:06
Replies: 88
Views: 18,601
Posted By hese
Thanks for all the replies. It took me about...

Thanks for all the replies.

It took me about 50-75 hours to do the schematics and layout the components on the board, and about 250 hours to route the board.

Sure, I can publish the files so...
Forum: Hardware mods 27 March 2018, 09:18
Replies: 88
Views: 18,601
Posted By hese
A4000+ Alice motherboard DIY

Let me introduce you to the A4000+ Alice rev1 motherboard.
A4000+ motherboard is based on the Amiga 4000cr motherboard designed by Commodore.

I have been thinking for a while to do some Amiga...
Forum: support.Hardware 14 March 2018, 18:33
Replies: 56
Views: 2,680
Posted By hese
That's quite tiny and outdated list of repairers,...

That's quite tiny and outdated list of repairers, should be updated. Neither of them can reprogram the MACH chips of BPPC if the chips are faulty. The only choice is to take working MACH chips from...
Forum: MarketPlace 16 December 2017, 17:28
Replies: 8
Views: 1,115
Posted By hese
I have, PM sent.

I have, PM sent.
Forum: support.Hardware 04 August 2017, 20:56
Replies: 3
Views: 870
Posted By hese
It's possible and I can assemble them for you....

It's possible and I can assemble them for you. You would need to supply me the PCBs and 68060 CPU.
Forum: Hardware pics 30 July 2017, 08:43
Replies: 1
Views: 10,711
Posted By hese
Hese's Amiga hardware repairs and upgrades

I will be posting here some of the Amiga hardware repairs and upgrades I have been working on. If you have comments or questions regarding the repairs, you are welcome to post them here. But please...
Forum: Hardware mods 21 July 2017, 13:47
Replies: 257
Views: 37,486
Posted By hese
And so can I.

And so can I.
Forum: support.Hardware 03 July 2017, 06:36
Replies: 25
Views: 2,758
Posted By hese
You are using wrong 68060 libraries. Don't use...

You are using wrong 68060 libraries. Don't use Phase5 libraries for Apollo card.

Download Apollo 68060 files from here:
http://amiga.resource.cx/exp/apollo4060
Forum: Hardware mods 02 July 2017, 07:37
Replies: 32
Views: 3,412
Posted By hese
this concern only very early motherboard...

this concern only very early motherboard revision, such as rev 6 and maybe very first rev 7. and worse, this revisions cannot boot at all if no hard drive is attached, even with a full kickstart rom....
Forum: support.Hardware 04 June 2017, 13:26
Replies: 104
Views: 5,965
Posted By hese
Really, are you sure? ...

Really, are you sure?

http://www.amibay.com/showthread.php?90901-Amiga-hardware-repair-restoration-and-upgrade-service&p=841528&viewfull=1#post841528
Forum: support.Hardware 01 June 2017, 22:30
Replies: 104
Views: 5,965
Posted By hese
That rumor seems to be quite persistent, but...

That rumor seems to be quite persistent, but still false.

http://www.amibay.com/showthread.php?90901-Amiga-hardware-repair-restoration-and-upgrade-service&p=841528&viewfull=1#post841528
Forum: support.Hardware 15 May 2017, 08:51
Replies: 6
Views: 1,084
Posted By hese
Or macce2 could contact me, I do A3640 upgrades...

Or macce2 could contact me, I do A3640 upgrades and more.

Amiga hardware repair, restoration and upgrade service...
Forum: support.Hardware 12 May 2017, 07:42
Replies: 4
Views: 606
Posted By hese
And people like me repair them ;)

And people like me repair them ;)
Forum: Hardware pics 09 May 2017, 16:04
Replies: 107
Views: 47,348
Posted By hese
Thanks.

Thanks.
Forum: support.Hardware 06 May 2017, 23:53
Replies: 11
Views: 1,103
Posted By hese
Thanks, Wrangler and HelloBeautiful :great ...

Thanks, Wrangler and HelloBeautiful :great

arkpandora, you can see my services here:
http://www.amibay.com/showthread.php?90901-Amiga-hardware-repair-restoration-and-upgrade-service
Forum: Hardware pics 05 May 2017, 19:21
Replies: 107
Views: 47,348
Posted By hese
Finished my A500+ Project Red motherboard. ...

Finished my A500+ Project Red motherboard.

http://i1286.photobucket.com/albums/a601/amiphoenix/A500%20Project%20Red%20Build/th_a500_finished_01_zpsaps9e2xi.jpg...
Forum: support.Hardware 31 March 2017, 14:44
Replies: 7
Views: 847
Posted By hese
http://bboah.com/index.php?action=artikel&cat=48&i...

http://bboah.com/index.php?action=artikel&cat=48&id=3650&artlang=en
Forum: support.Hardware 23 March 2017, 19:04
Replies: 42
Views: 48,952
Posted By hese
I'm located in Finland. I do professional level...

I'm located in Finland. I do professional level Amiga hardware repairs and upgrades.

I am offering the following service (and possibly more, just ask):

- Capacitor replacement (high quality...
Forum: Hardware mods 26 February 2017, 19:34
Replies: 29
Views: 9,696
Posted By hese
Good job, well done :great

Good job, well done :great
Forum: support.Hardware 13 January 2017, 09:51
Replies: 10
Views: 1,382
Posted By hese
http://www.amigawiki.de/doku.php?id=de:parts:pld_d...

http://www.amigawiki.de/doku.php?id=de:parts:pld_download
Forum: support.Hardware 31 December 2016, 20:54
Replies: 15
Views: 2,082
Posted By hese
Did you also clean the pins of the accelerator...

Did you also clean the pins of the accelerator cards? The pins may be oxidized, dirty or too worn.

Have the capacitors of the motherboard been replaced?
Showing results 1 to 40 of 217

 
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