20 votes
Accepted

What is the Kelly chip?

The question should rather be: "What could it have been?" - It never made it into an existing machine. According to some Internet lore, Kelly would have been the A3000+'s/AA3000's RAMDAC (digital ...
tofro's user avatar
  • 34.3k
14 votes
Accepted

Seeking details relating to Amiga 3000 serial numbers

The Amiga 3000 was offered in 4 configurations: 25MHz NTSC, 25MHz PAL, 16MHz NTSC, 16 MHz PAL. Besides the ID of "A3000 N" which appears on your A3000, the other possible ID is "A3000 P". It might be ...
Brian H's user avatar
  • 60.5k
9 votes

Replacing the floppy drives in my Amiga 3000

Here and here are lists of drives that work on Amigas either natively or that can be electrically modified to work on Amigas. Some of the drives are still in production. Those vendors you found ...
snips-n-snails's user avatar
8 votes
Accepted

Is the 3000T's case made by Commodore, or was it stock from elsewhere?

The case of the Amiga 3000T was actually modified from the Commodore PC-60 III (their top-range PC). I doubt, however, that this makes it an easier find. Those monsters are sought after as well, ...
tofro's user avatar
  • 34.3k
8 votes
Accepted

Appropriate battery replacement for my A3000

Don't wait, just clip it. Come back when you're done. You look dangerously close to getting the goop on the motherboard which is effectively malignant cancer for electronics. Now that you've clipped ...
bjb's user avatar
  • 16.2k
7 votes

Appropriate battery replacement for my A3000

On all my retro computers, I tend to replace the on-board batteries with cables and a double AA battery holder like this that I can store off-PCB (typically, I fix it somewhere within the computer ...
tofro's user avatar
  • 34.3k
7 votes
Accepted

How to integrate an 512kB EEPROM on a A3660 accelerator board at $00F00000?

The Amiga Kickstart ROM is modular. As such, you can build custom ROM images containing whatever selection of libraries, devices, and handlers you would like to be ROM resident. And, as you indicated, ...
Brian H's user avatar
  • 60.5k
4 votes
Accepted

Why does my Amgia 3000 show no Fast RAM even though the ZIP sockets are populated?

There can be all sorts of reasons for this that you will need to investigate. You can start by measuring the voltage between pin 5 and 15 (GND and 5V) to make sure they are being powered. If you have ...
user's user avatar
  • 15.2k
4 votes

Replacing the floppy drives in my Amiga 3000

You might also try and look at modern solutions. The HxC floppy emulator which can be pricy or you could go with a GOTEK drive, and modify the enclosure to fit in the A3000. GOTEK drives have at the ...
Carsten Jensen's user avatar
2 votes

Appropriate battery replacement for my A3000

Even if the battery powered memory loses its contents, you don't really risk losing the ability to boot. The settings that are stored in the memory for the on-board SCSI controller are all ...
user180940's user avatar
  • 3,716

Only top scored, non community-wiki answers of a minimum length are eligible