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Author Topic: A4000T schematics  (Read 2615 times)

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Offline downixTopic starter

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A4000T schematics
« on: October 23, 2003, 02:32:58 AM »
I've never seen a set of A4000T schematics, weither for sale or online.  Did anyone ever publish a set?
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Offline Lo

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Re: A4000T schematics
« Reply #1 on: October 23, 2003, 03:54:17 AM »
@Downix

I have some PDF's of A4000 schets on one of my CD's, keep reminding me and I'll send them to you if you like. -=**=-
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Offline downixTopic starter

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Re: A4000T schematics
« Reply #2 on: October 23, 2003, 04:07:03 AM »
Not A4000 schems, I have those.  The A4000T schems I'm curious about.
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Offline Castellen

Re: A4000T schematics
« Reply #3 on: October 23, 2003, 07:13:02 PM »
I have A4000T schematics on my webserver:
http://amiga.serveftp.net

They are for the Amiga Technologies machine.  I've scanned them from my photocopied photocopies, so the quality is a bit lax.  But they're a bit better than nothing :-)


Anthony.
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Offline downixTopic starter

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Re: A4000T schematics
« Reply #4 on: October 23, 2003, 07:44:41 PM »
@Castellan

Why thank you very much.
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Offline bloodline

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Re: A4000T schematics
« Reply #5 on: October 23, 2003, 10:05:03 PM »
Quote

downix wrote:
@Castellan

Why thank you very much.


So, what differences are there between the A4K and the A4KT on an electronic level? I trust you have loked them both over now.
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Offline downixTopic starter

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Re: A4000T schematics
« Reply #6 on: October 23, 2003, 10:12:04 PM »
@bloodline

The A4kt is closer in nature to the A3k than the A4k from what I can tell.  Incorporated SCSI, fixed the RAM issues, etc.  Frankly, the A4kT is what the A4k should have always been from what I can tell.

Now, to find a dead A4k mobo to test out my next idea with.  8)
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Offline amigamad

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Re: A4000T schematics
« Reply #7 on: October 23, 2003, 10:17:08 PM »
@Castellan

You seemed to be the only person that has them im downloading them myself.My a4000 tower is dead but im keeping it. :-)
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Offline SHADES

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Re: A4000T schematics
« Reply #8 on: October 23, 2003, 11:15:59 PM »
@Lo
Ahh, yes please :)) Very much so.

I could use those PDF files right now even :)
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Offline Castellen

Re: A4000T schematics
« Reply #9 on: October 24, 2003, 07:52:12 AM »
@Bloodline
Basically the A4000T is the redesigned version of the 4000D.
Many problems were fixed and a few new things added such as onboard SCSI plus the IDE controller.

It has rev 11 Buster and OS 3.1 (40.70) as standard, though most of the I/O, audio, GFX, chip mem, fast mem, etc is the same as the A4000D.

Zorro, video and IDE slots are mounted on the motherboard, plus you have 5 as opposed to 4 Zorro slots, making much more room for expansion.

The tower case was a standard AT style one, so you could use an off the shelf AT power supply, plus there was lots of room for drive expansion.
It had one of the "coin" type batteries for the real time clock, so you have less problems of leaking Ni-Cads which are currently causing many problems with many older models.
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Offline Castellen

Re: A4000T schematics
« Reply #10 on: October 24, 2003, 07:58:36 AM »
@ downix
I have a dead A4000D motherboard here.  I have pinched a lot of SMD parts off it for other jobs, but you might be able to use it.
What exactly are you trying to do??

Anthony.
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