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Author Topic: Amiga 3000 - keyboard no work  (Read 484 times)

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Offline JamesGTopic starter

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Amiga 3000 - keyboard no work
« on: May 27, 2016, 02:03:46 AM »
Have an A4000 keyboard, and finally got an adapter from amigakit.us that allows me to connect it to the A3000.

This A3000 is a rescue that had some battery damage. It boots though without a keyboard plugged in. Mouse works, so I can run SysInfo and get results.

Sadly, when I first powered it up the A3000 with the keyboard plugged in it would not boot. If I plug it in while the A3000 is booting normally, the computer resets.

Any idea what I can do here?

Edit: The A4000 keyboard is also a rescue so I have no idea if it works.
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Offline JamesGTopic starter

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Re: Amiga 3000 - keyboard no work
« Reply #1 on: May 27, 2016, 04:47:43 AM »
Bleh, this computer just acts so weird. Keyboard working now. Then the floppy drive stopped...I connected the floppy to my A1200 and it's fine with same disks. Then floppy working again.
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Offline Oldsmobile_Mike

Re: Amiga 3000 - keyboard no work
« Reply #2 on: May 27, 2016, 05:09:12 AM »
Power supply?
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Amiga 500: 2MB Chip|16MB Fast|30MHz 68030+68882|3.9|Indivision ECS|GVP A500HD+|Mechware card reader + 8GB CF|Cocolino|SCSI DVD-RAM
Amiga 2000: 2MB Chip|136MB Fast|50MHz 68060|3.9|Indivision ECS + GVP Spectrum|Mechware card reader + 8GB CF|AD516|X-Surf 100|RapidRoad|Cocolino|SCSI CD-RW
 Amiga videos and other misc. stuff at https://www.youtube.com/CompTechMike/videos
 

Offline lassie

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Re: Amiga 3000 - keyboard no work
« Reply #3 on: May 27, 2016, 08:58:08 PM »
Hmm strange, maybe it needs time to "warm up"
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Offline JamesGTopic starter

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Re: Amiga 3000 - keyboard no work
« Reply #4 on: May 27, 2016, 09:32:17 PM »
Well I am fairly certain the video deinterlacer circuitry is bad due to the extensive battery corrosion damage (and the fact that it doesn't work lol). But I don't know why it would affect other items than the video deinterlacer.
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Offline mechy

Re: Amiga 3000 - keyboard no work
« Reply #5 on: May 28, 2016, 03:06:36 AM »
Quote from: JamesG;809235
Have an A4000 keyboard, and finally got an adapter from amigakit.us that allows me to connect it to the A3000.

This A3000 is a rescue that had some battery damage. It boots though without a keyboard plugged in. Mouse works, so I can run SysInfo and get results.

Sadly, when I first powered it up the A3000 with the keyboard plugged in it would not boot. If I plug it in while the A3000 is booting normally, the computer resets.

Any idea what I can do here?

Edit: The A4000 keyboard is also a rescue so I have no idea if it works.


If its not psu related or trace damage,it sounds like it could be the cia's.. check all voltages first. is the 3k keyboard known to be good?
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Offline JamesGTopic starter

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Re: Amiga 3000 - keyboard no work
« Reply #6 on: May 30, 2016, 03:44:24 AM »
The PSU does sometimes turn off but maybe once out of every 20 tries to boot. It's difficult to say with so much damage to this motherboard, I am surprised it works at all.
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Offline Motormouth

Re: Amiga 3000 - keyboard no work
« Reply #7 on: May 30, 2016, 06:16:58 PM »
Quote from: mechy;809272
If its not psu related or trace damage,it sounds like it could be the cia's.. check all voltages first. is the 3k keyboard known to be good?


Ditto,  

I was going to also say CIAs.  Keyboard and floppy acting flaky.  Otherwise it could be the 5V line.

It sounds like everyone has given the obvious possibilities.
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