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Service and Repair (Country)
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AmigaSource.com - Temp Year 2023
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Nov 30, -0001
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id: 3590 |
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Detailed picture of all the capacitors, values and placement on the Rev B main board labeled and color coded} |
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Nov 30, -0001
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id: 3794 |
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You have irreparable damage to the Amiga 4000D board, for example due to a battery damage, but the Amiga custom chips are still working? The solution is the Amiga 4000 Replica project board, with which you can bring your Amiga 4000D back to life. The Amiga 4000 Replica project is an unpopulated black board for restoring an Amiga 4000D in the revision B. This board corresponds to the version of the A4000 Replica Project (Based on the Rev B) from Acill. To be on the safe side, we have not printed the boingballs on the board for licensing reasons. |
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Nov 30, -0001
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id: 3913 |
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{This is part 1 of 4 of a very detailed restoration and upgrade of an Amiga 4000. PArts 2-4 are also available too.} Due to a series of strange events, I have ended up with not one, but two Amiga 4000s in the last few weeks. They are both in need of very different restorations. I hope that I can get at least one complete machine out of them, and then sell the other one. I don’t have room for two in my collection, and it will help recoup the costs. |
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Nov 30, -0001
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id: 4286 |
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The original power supply on my Amiga 4000 started having voltage fluctuations which a fresh set of capacitors didn't correct. I wanted to move to a small form factor power supply, but due to the way the power switch is integrated into the original Amiga power supply, it meant either running an external switch or modifying the power switch actuator in a way which I don't think is ideal. An SFF would also cause a large air gap at the back of the case, since they are half the height of the original AT supply. |
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Nov 30, -0001
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id: 3677 |
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I had the opportunity recently to acquire a new Amiga 4000T/060. When I opened the box I was surprised to find a previously unknown (to me) 68060 accelerator...see the unboxing below. I will follow up shortly with more information and benchmarks... {Has pictures of the manual} |
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Nov 30, -0001
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id: 3866 |
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I presented my Amiga 500 in a previous post. It has only 512 kB of memory, and I would like to expand it to 1 MB. {...} Modifying the Amiga 500 to use the internal 512 kB memory expansion as chip RAM is definitely possible. The best document about it I found on the net is here. The information in the document can also be verified with Amiga 500 motherboard schematics. This requires however some motherboard modifications, but I like to keep my vintage machines in original condition, and do only fully reversible modifications. Cutting traces on the motherboard is definitely not reversible. |
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Verified:
Nov 30, -0001
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id: 3474 |
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Allows you to use a Raspberry Pi Zero to output a perfect digital image via HDMI. The pixel clock is derived in a very different way to other implementations which means no Denise / Super Denise jumper and no "sparkling" pixels. |
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Verified:
Nov 30, -0001
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id: 3627 |
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I’m having some fun messing around with a few of my old retro computers at the moment and, inspired by EEV Blog’s recent teardown and successful boot of a 25 year old Amiga 500 I decided to get my old girl down from the attic and give her a go. Unfortunately my attempts were rather less successful! I was met with the dreaded blinking power LED and a continuous cycle of repeated resets. Drat. What could possibly have gone wrong after a mere quarter of a century? A quick look under the cover revealed the very obvious culprit: Amiga A500+ Battery Leakage |
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Nov 30, -0001
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id: 4207 |
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{Thread @ eab.abime.net covering the A500 keyboard} |
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Nov 30, -0001
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id: 4175 |
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There were four major revisions of the Amiga 500 motherboard released, and that matters if you are trying to upgrade them. Fortunately, if you know what to look for, you can quickly distinguish between all four, and you can even identify them without opening the case. Although it is certainly easier to identify them if you can see the entire board. |
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Nov 30, -0001
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id: 3863 |
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The power supply of my Amiga 500 is a bit unreliable. I’ve had some issues with the machine where the PSU could be the culprit, so I thought that it would be better to get a new power supply. {...} Rather than taking that route, I decided to use a modern PSU. Ian Stedman from the UK has designed an adapter that allows an ATX PSU to be used for powering the Amiga. He sells this adapter for reasonable price of ?10. However, the tricky part is to get the PSU connector. Amiga 500 uses a strange rectangular 5-pin DIN connector. This connector is extremely difficult to source. |
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Nov 30, -0001
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id: 3864 |
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My last post – quite a while ago already – was about building a new power supply for Amiga 500. In the comments I was contacted by an Amiga owner (or now former Amiga owner) who wanted to donate his Amiga 500 with a broken power supply. Thanks Johan for the donation! {...} In order to get this Amiga back to life, I had three options: fix the power supply, build a new power supply, or buy a new power supply. Yes, new power supplies for Amiga 500 are manufactured again by Electroware! As I had already built a power supply and there’s no fun in buying a new one, I decided to repair this one. |
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Nov 30, -0001
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id: 3607 |
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Revitalizing an Amiga 500. While seriously on a retro-trip I thought it to be cool having an Amiga 500 again. I found a well treated machine on EBay that even came along with an original Commodore A590 disk drive. Needless to say, a machine from the 80s might well be in good optical shape but a lot can happen in a time period of nearly 30 years. |
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Nov 30, -0001
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id: 3867 |
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I bought an Amiga 500 as my first computer in 1988. I later sold it and bought Amiga 2000, so this is not the same machine I used to own. Instead, I got this one from a friend in late 1990’s for free as it was broken. The problem was easy to fix – there were just some broken solder joints in the power supply after it had been dropped. |
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Verified:
Nov 30, -0001
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id: 3958 |
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NB: In writing this post, I realised it's effectively a mini review of the ZuluSCSI... I own many Commodore Amigas, and most of them actually work. On one of my Amiga 500s, I've been recently trying to get a decent SCSI hard disk drive working via a GVP Impact II A500-HD+ sidecar expansion unit. This expansion unit contains a GVP SCSI controller, an internal 50-pin IDC connector for an internal SCSI drive and a 25-pin D-sub connector on the back for any external SCSI devices I may want to connect. It also has four 30-pin SIMM sockets, which I have populated with four 1MB SIMMs, providing an additional 4MB of FAST RAM to the A500. The GVP is separately powered with its own 12v+5v brick-style PSU – more on that later. Here is the Amiga in question on my workbench. The eagle-eyed among you will see where I am going with this post. |
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Nov 30, -0001
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id: 3956 |
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I am a happy owner of quite a few A500s in pretty crappy shape. I’ve finally managed to start some serious work with modding ’em. I won’t post single-machine mods but rather a several mods in a few Amigas that I’ve pimped. As usual, I’ve started with simple things |
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Nov 30, -0001
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id: 4033 |
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I needed to write a blog post showing different RAM hax/configs on Amiga 500 8A motherboard to serve as a reminder for future Me. When working with my stash of A500s, I’ve found two common motherboard revisions – 6A and 8A. I will focus on 8A here but some configs can be used in 6A too. The main reason is that 8A mobos are the latest, where 8375 AGNUS was used and it supports up to 2MB of ChipRAM. Also, I’ve already described the 6A ChipRAM mod in one of the previous posts. Just to clarify it a bit, Rev.8 was used in A500plus AND in standard A500 but with unpopulated RTC, battery, less RAM, etc. |
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Verified:
Nov 30, -0001
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id: 4280 |
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I’ve been slowly but surely branching out into Amigas from Commodore’s 8-bit range of computers, but one of the first computers I bought was a Commodore Amiga 500+. This turned out to be a somewhat special unit, with serial number “000657”. The A500+ is a 16-bit computer from the 1990s, and is a more capable version of the A500 on which it is based- it features the same 7.16MHz 68000 CPU and full-sized keyboard, but has ECS graphics (as opposed to OCS graphics), 1MB Chip RAM, and a battery-backed RTC. |
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Verified:
Nov 30, -0001
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id: 3592 |
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Detailed picture of all the capacitors, values and placement on the A600 Rev 1 main board labeled and color coded} |
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Author:
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Verified:
Nov 30, -0001
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id: 3593 |
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Detailed picture of all the capacitors, values and placement on the A600 Rev 2 main board labeled and color coded} |
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Author:
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Verified:
Nov 30, -0001
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id: 4282 |
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I’ve been slowly but surely branching out into Amigas from Commodore’s 8-bit range of computers, and as such I recently got my hands on my first Commodore Amiga 600. The A600 is a 16-bit computer from the 1990s, and is effectively just a condensed version of the A500 with an onboard IDE and PCMCIA interface. |
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Verified:
Nov 30, -0001
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id: 4177 |
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The Amiga 600 was one of the last Amigas, and it became a symbol of everything wrong with Commodore and the product line. Retro enthusiasts like it today because of its small size, so it’s the perfect retro Amiga for today. But it couldn’t have been much more wrong for 1992. The Amiga 600 was a cost-reduced Amiga for home use, similar in size and appearance to a Commodore 64. But internally it wasn’t much more than a repackaged Amiga 1000 from 1985, trying to compete with VGA graphics and 386 CPUs. |
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Author:
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Verified:
Nov 30, -0001
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id: 3676 |
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{Report of the 1998 Amiga 98 show March 13-15, 1998 in St. Louis, USA} |
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Author:
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Verified:
Nov 30, -0001
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id: 3951 |
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The GOTEK floppy emulator is hands down the best modification to can make to any Amiga and it’s easy to forget what a faf sourcing floppies can be these days. This was no more apparent than when we were contacted on Instagram and asked about our State of the Art Christmas decorations. Our fellow Amiga owner was not only intrigued about the beautifully crafted Amiga models but was pining for his own copy of this epic Spaceballs demo. Having not yet opted for a GOTEK I did the right thing and offered to supply a copy for him. It’s pretty easy to turn an ADF disk image into a floppy – you need the right equipment and software. In this video, we show you how. More information on the Amiga GOTEK can be found here |
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Author:
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Verified:
Nov 30, -0001
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id: 4215 |
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A package for getting the DSP 3210 on the AA3000+ going. Contains drivers, docs, GAL logic and example code to get you started. (A driver extension for ATL DSP Zorro boards is also included, albeit entirely untested and possibly incomplete.) |
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Total number of web sites found in this category: 980
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