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Author Topic: I have a new in box Commodore Amiga 1000 Prototype  (Read 18642 times)

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Offline scuzzb494

Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #44 on: May 23, 2010, 06:27:26 PM »
Quote from: Metalguy66;560418
Yeah, scuzz.. you evidently havent seen the inside of too many A1000s...

I had 6 of them, and every single one had the daughterboard..

In this pic:

http://mynikonphotos.com/amiga/assembled1.jpg

The board in the back is an aftermarket "A1000 insider" ram expansion.. The board near the front, is the daughterboard that cam factory on the machine..

It's possible that some revisions came with no daughterboard.. all of the onese I had were US sold NTSC machines.. All had the daughterboard..

So see if that board has a GARY (5719) chip..


I have no idea where this guy is from but here in the UK all my PAL versions have no daughter board. And there are three Amiga 1000s in this room... So why would I think the 1000 needed a daughter board. The machine I showed works fine. Seems odd that you would need a board just to work in the computers native country. Anyway I bow to your superior knowledge...

PAL Motherboard

http://amiga.resource.cx/photos/a1000,5

NTSC

http://amiga.resource.cx/photos/a1000,2

You learn something every day.


scuzz
« Last Edit: May 23, 2010, 06:42:25 PM by scuzzb494 »
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Offline AmigaHeretic

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #45 on: May 23, 2010, 06:44:35 PM »
Quote from: scuzzb494;560429
Seems odd that you would need a board just to work in the computers native country.

scuzz


Yeah, you wouldn't know.  It's hard to know every model let alone what they all look like inside. :)

I don't know for sure, but I think the large daughter board was eventually shrunk down to the be the "Gary" chip later on.  The PAL machines came out later than the NTSC and probably had Gary in them by then.  I believe later models of the A1000 (ntsc) no longer had the daughter board either, but a Gary chip as well.

So A1000s came out before Gary existed I believe, that is why it is sort of odd this has no daughterboard.
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Offline spirantho

Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #46 on: May 23, 2010, 06:44:55 PM »
I could be wrong but I believe that particular chip wasn't ready so they had to use lots of programmable ones. By the time the PAL one came out they'd had time to mask the custom chip properly.

Nice fine, though! And for goodness sake don't modify it unless you know exactly what you're doing....!
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Offline AmigaHeretic

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #47 on: May 23, 2010, 06:48:00 PM »
Quote from: spirantho;560432
I could be wrong but I believe that particular chip wasn't ready so they had to use lots of programmable ones. By the time the PAL one came out they'd had time to mask the custom chip properly.

Nice fine, though! And for goodness sake don't modify it unless you know exactly what you're doing....!



I think it is the same with EHB mode.  Early NTSC 1000s didn't have EHB mode.  Later NTSC A1000s had EHB and all PAL A1000 had EHB.  

Anyone know when the first PAL A1000s were released?
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Offline Jope

Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #48 on: May 23, 2010, 06:51:57 PM »
I've owned PAL A1000s with daughterboards.. There's a few revisions of the A1000 mobo.
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Offline mknktTopic starter

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #49 on: May 23, 2010, 06:57:17 PM »
Well, I was testing those cut resistors last night and it turns out they are for the right and left rear speaker ports.  I had static noice in the left speaker when I touched my testing probe to one and vice versa.  I will leave them alone though.  I WILL BE LISTING THIS ON EBAY WITHIN THE NEXT COUPLE OF HOURS!!!  Keep Any Eye Out!
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Offline mknktTopic starter

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #50 on: May 23, 2010, 06:59:39 PM »
Thank all of you for your input and interest, hopefully someone here will win!
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Offline bitman

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #51 on: May 23, 2010, 07:34:22 PM »
Where did you get it from?
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Offline mknktTopic starter

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #52 on: May 23, 2010, 07:47:00 PM »
Quote from: bitman;560439
Where did you get it from?


I'll keep it a surprise until I list it on ebay...
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Offline koaftder

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #53 on: May 23, 2010, 08:33:28 PM »
Quote from: mknkt;560351
More pics... in one of them there are two ?resistors? that are cut??? should I try soldering them back together:confused:


No! Put that soldering iron DOWN!
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Offline AmigaHeretic

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #54 on: May 23, 2010, 08:36:33 PM »
Quote from: koaftder;560448
No! Put that soldering iron DOWN!


Just unsolder all the pieces and sell them separately.  :-)
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Offline mknktTopic starter

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #55 on: May 23, 2010, 08:48:11 PM »
Quote from: AmigaHeretic;560449
Just unsolder all the pieces and sell them separately.  :-)

Sounds like a good idea... :roflmao:

Only kidding, no worries...:roflmao:
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Offline mknktTopic starter

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #56 on: May 23, 2010, 10:03:17 PM »
I have just listed it on ebay... listing will be as follows::hammer:

**Amiga Commodore 1000 Development System  Prototype**
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Offline koaftder

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #57 on: May 23, 2010, 10:33:50 PM »
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Offline TheBilgeRat

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #58 on: May 23, 2010, 10:38:00 PM »
I bid on it once just to say I did :D
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Offline bbond007

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Re: I have a new in box Commodore Amiga 1000 Prototype
« Reply #59 from previous page: May 23, 2010, 11:44:25 PM »
Quote from: TheBilgeRat;560460
I bid on it once just to say I did :D

I don't want that junk... but I ran up the bid a bit...
« Last Edit: May 23, 2010, 11:54:27 PM by bbond007 »
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