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Forum: support.Hardware Yesterday, 23:51
Replies: 3
Views: 117
Posted By Sim085
What can be used to clean chip legs?

I think in the past I had read that chip legs can be cleaned using a Glass Fiber Sanding Pen.

Is this correct?

Also would any Glass Fiber Sanding Pen be good?

Example found this on Amazon;...
Forum: support.Hardware Yesterday, 20:48
Replies: 6
Views: 240
Posted By Sim085
However, if I wanted to leave it as is, why can't...

However, if I wanted to leave it as is, why can't I neither use a +1MB ChipRAM expansion (which works fine with a normal A500+) and neither a +512KB ChipRAM expansion (which works fine with a normal...
Forum: support.Hardware 22 June 2021, 15:20
Replies: 6
Views: 240
Posted By Sim085
Amiga 500 rev8a.1 motherboard

So while trying to solve an issue with an A500+ I have I bought another A500 motherboard, a rev8a.1, the one which is labelled A500+ but only has 512KB of ChipRAM on it.

I moved the chips from the...
Forum: support.Hardware 22 June 2021, 15:12
Replies: 13
Views: 682
Posted By Sim085
Good to know. I will try the socket with a...

Good to know. I will try the socket with a multimeter and if in doubt unsolder and re-solder. The thing is that the acid damage was so little, nothing compared to some of the photos I see on line.
...
Forum: support.Hardware 21 June 2021, 17:57
Replies: 13
Views: 682
Posted By Sim085
Bought another A500+ motherboard. Moved all chips...

Bought another A500+ motherboard. Moved all chips from one to the other and (to be honest I was expecting it) I got the same result. I therefore concluded one of the chips must have been fried (even...
Forum: support.Hardware 27 May 2021, 17:17
Replies: 0
Views: 145
Posted By Sim085
A590 FastRAM Errors

I have bought around 20 chips from China to use as FastRAM for the A590 (HYB514256B-60 SIEMENS 256 K x 4-Bit Dynamic RAM). Lucky me managed to find 4 working ones out of the 20 received - enough to...
Forum: support.Hardware 27 May 2021, 16:46
Replies: 10
Views: 1,408
Posted By Sim085
Aaaa.. so it is not the adapter the problem but...

Aaaa.. so it is not the adapter the problem but rather the CF cards. A mystery that has baffled me since 2014! :)
Forum: support.Hardware 27 May 2021, 15:20
Replies: 10
Views: 1,408
Posted By Sim085
What are "Industrial cards"? I remember I...

What are "Industrial cards"?

I remember I also had this same problem. I had bought a dual CF card adapter and when I connected CF card to one slot worked, the other slot worked, but two card at...
Forum: support.Hardware 26 May 2021, 17:27
Replies: 18
Views: 869
Posted By Sim085
Just to confirm that it booted from a 2GB HDD...

Just to confirm that it booted from a 2GB HDD with the 7.0 ROMs.
Forum: support.Hardware 26 May 2021, 17:25
Replies: 23
Views: 1,394
Posted By Sim085
Yey it boots :D

Yey it boots :D
Forum: support.Hardware 26 May 2021, 17:07
Replies: 23
Views: 1,394
Posted By Sim085
Hmm, found on another forum it works when...

Hmm, found on another forum it works when selecting CAT28C64B. Tried it and it worked.
Forum: support.Hardware 26 May 2021, 13:57
Replies: 23
Views: 1,394
Posted By Sim085
Found this thread and thought of asking here...

Found this thread and thought of asking here rather than open a new one.
I just got TL66II, and downloaded Xgpro, connected an ATMEL AT28C64B and used some of the options like, Erase, Read and...
Forum: support.Hardware 26 May 2021, 12:14
Replies: 13
Views: 682
Posted By Sim085
Power LED does not change colour. Floppy LED...

Power LED does not change colour.
Floppy LED stays always on.

I have changed the floppy drive to a known working one (A500 Chinon)
I can hear the Floppy Drive spinning but not clicking.
I get...
Forum: support.Hardware 26 May 2021, 10:15
Replies: 13
Views: 682
Posted By Sim085
I have swapped the CIA chips with ones working...

I have swapped the CIA chips with ones working from another A500. Still nothing. I also confirmed the CIA chips work by trying them on the working A500. So it does not look to be CIA chips related. I...
Forum: support.Hardware 24 May 2021, 23:34
Replies: 2
Views: 298
Posted By Sim085
Thank you. Will compare the adapters I receive...

Thank you. Will compare the adapters I receive with those in the link. However I think I am going to buy the PCBs to be on the safe side.
Forum: support.Hardware 24 May 2021, 11:47
Replies: 13
Views: 682
Posted By Sim085
Reset signal does work. I mean when I press the...

Reset signal does work. I mean when I press the reset buttons the capslock turns on for a moment and then switches off like a normal restart.
Forum: support.Hardware 24 May 2021, 01:52
Replies: 2
Views: 298
Posted By Sim085
A1200 CIA and Paula chips on A500

To my knowledge I can use A1200 CIA and Paula chips on an A500 through the use of an adapter. The question I have is; does the adapter need to be Amiga specific;

i.e. - I have to order these and...
Forum: support.Hardware 21 May 2021, 21:14
Replies: 13
Views: 682
Posted By Sim085
I bought a DiagRom 1.2 something. Will wait for...

I bought a DiagRom 1.2 something. Will wait for it to arrive and see what it reports.
Forum: support.Hardware 21 May 2021, 10:41
Replies: 13
Views: 682
Posted By Sim085
A500+ stopped working

I was using my A500+ and all of a suddent the picture froze. This happened when I was accessing the hard disk to display files in a directory. I then restarted the Amiga and only got a black screen....
Forum: support.Other 10 May 2021, 12:28
Replies: 1
Views: 490
Posted By Sim085
Cloanto ROM Chips Serial?

I bought an A1200 motherboard that came with Cloanto Kickstart chips. These chips have a serial number on them. What is this serial number for?

Do I need to do something with it?
Forum: support.Hardware 29 April 2021, 17:26
Replies: 6
Views: 340
Posted By Sim085
I do not know if the setup would work; but there...

I do not know if the setup would work; but there are FastRAM only cards as well out there. I found one on Ebay;

https://www.ebay.co.uk/itm/333971306155?hash=item4dc23db6ab:g:nYYAAOSwhahggcnG
(I...
Forum: support.Hardware 27 April 2021, 07:51
Replies: 18
Views: 869
Posted By Sim085
Many thanks. Unfortunately doesn't ship to my...

Many thanks. Unfortunately doesn't ship to my country.

Will continue looking.
Forum: support.Hardware 27 April 2021, 00:18
Replies: 18
Views: 869
Posted By Sim085
They must have gone very quickly as I have been...

They must have gone very quickly as I have been searching since this morning and cannot find any :(

I am starting to consider buying a eprom burner...
Forum: support.Hardware 26 April 2021, 15:31
Replies: 54
Views: 4,690
Posted By Sim085
+1 to this. Really love this project and...

+1 to this.


Really love this project and looking forward to try it out.
Forum: support.Hardware 26 April 2021, 11:51
Replies: 18
Views: 869
Posted By Sim085
You can see it here to the left of the XT DRIVE...

You can see it here to the left of the XT DRIVE header;
https://amiga.resource.cx/photos/photo2.pl?id=a590&pg=6&res=hi&lang=en

I saw some photos of the A590 without this chip installed. Not sure...
Forum: support.Hardware 26 April 2021, 00:29
Replies: 18
Views: 869
Posted By Sim085
It worked. The chip 390398-01 was not properly...

It worked. The chip 390398-01 was not properly seated.

Thanks for the help Matt_H, without pointing me to the drivers I would not known from where to start.

EDIT:

Auto-boot however still...
Forum: support.Hardware 26 April 2021, 00:04
Replies: 18
Views: 869
Posted By Sim085
With the 200MB HD Drive the behavior is the same....

With the 200MB HD Drive the behavior is the same. It starts booting then stops. Without any Hard Disk connected it boots to Workbench (after a minor stop). When I open SYSINFO, under devices I can...
Forum: support.Hardware 25 April 2021, 23:13
Replies: 18
Views: 869
Posted By Sim085
Back home and came straight to test this. Setup...

Back home and came straight to test this. Setup is as follows; I made a copy of Workbench 3.1 and copied A2091V7HD_7 and its icon to the Expansion directory.

The A500 starts to boot from the...
Forum: support.Hardware 22 April 2021, 09:14
Replies: 18
Views: 869
Posted By Sim085
Yes, sorry, used wrong term, trhe partition does...

Yes, sorry, used wrong term, trhe partition does not show. The SCSI HD has a single partition with Workbench installed on it. When connected to the GrandSlam it boots ok and shows this partition.
Forum: support.Hardware 21 April 2021, 18:26
Replies: 18
Views: 869
Posted By Sim085
The HD itself works fine, I did the setup on it...

The HD itself works fine, I did the setup on it on a Grand Slam before trying it on the A590. I also tried the A590 with a SCSI to CF adapter but does not boot either (also tested on the GrandSlam).
Forum: support.Hardware 21 April 2021, 18:17
Replies: 18
Views: 869
Posted By Sim085
Yes I have found an image of the 7.0 ROMs on this...

Yes I have found an image of the 7.0 ROMs on this forum. So I just need to put the ROM images (2) in SYS:Expansion, set auto-boot to false, boot to Workbench, and that is it?

EDIT:

The files...
Forum: support.Hardware 21 April 2021, 17:16
Replies: 18
Views: 869
Posted By Sim085
Amiga A590 hard disk spins but does not boot

Hello, just received an A590. It came with an XT drive and what I believe is a dying power supply. When I turned it on the red light came on but nothing else happened. No sound from either the HDD or...
Forum: support.Other 16 April 2021, 16:01
Replies: 8
Views: 1,031
Posted By Sim085
I had one like those as well; but I was not the...

I had one like those as well; but I was not the original buyer, so I never knew if this was a Commodore sold A1200, or someone just built it from parts, or even maybe sold by Escom with Commodore...
Forum: support.Other 15 April 2021, 14:30
Replies: 8
Views: 1,031
Posted By Sim085
Thank you. Wonder from where the 'rev2b was...

Thank you.

Wonder from where the 'rev2b was designed by Escom' came from.
Forum: support.Other 14 April 2021, 16:10
Replies: 8
Views: 1,031
Posted By Sim085
Was the Amiga A1200 rev2b motherboard designed by AT?

While going through this thread I found the following information;
http://eab.abime.net/showthread.php?t=39137

"The 2B (Atechnologies) is a bastardisation of the 1D4 & 1D3. I'd choose either 1D1...
Forum: support.Other 08 April 2021, 11:01
Replies: 3
Views: 773
Posted By Sim085
Well it is not just A1200 and A500 cases. Looking...

Well it is not just A1200 and A500 cases. Looking at the last photo in the article is like he cleaned it out and somehow all cracks are no longer visible. This is why I thought it was painted to...
Forum: support.Other 06 April 2021, 17:06
Replies: 3
Views: 773
Posted By Sim085
I did find this article: ...

I did find this article:
https://retrohax.net/broken-plastic-case-no-problem-2/

However I cannot understand how they get the end-result without spraying.

btw - the scratches/dents I am...
Forum: support.Other 06 April 2021, 15:10
Replies: 3
Views: 773
Posted By Sim085
Small scratches and dents?

Anyone had any success fixing small scratches and dents from their amigas? I know about retro-bright to try and get the machine looking as it used to. However what about those scratches and dents...
Forum: support.Other 04 April 2021, 19:37
Replies: 5
Views: 952
Posted By Sim085
Thank you for the details explanation. To be...

Thank you for the details explanation. To be honest if I do this I will also have some 2MB FastRAM (as part of the side expansion) so I would not mind loosing 512KB.

I would guess this would also...
Forum: support.Other 04 April 2021, 12:30
Replies: 5
Views: 952
Posted By Sim085
What does softkick actually mean?

I have an A500+ with the original Kickstart 2.04 it came with. I have software version of both Kickstart 1.3 and 3.1 which I loaded from original using GrabKick. I want to keep Kickstart 2.04...
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