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Old 03 April 2005, 02:42   #1
AmigaEd
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Looking for A1000 Zorro bus pin out diagrams

Hello,
Can anyone point me in the right direction for finding a pin out or diagram for the A1000 zorro bus.

Thank you,
AmigaEd
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Old 03 April 2005, 10:21   #2
icewizard2k5
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did you try GOOGLE at ALL?

Zorro II pinout
Ramex


-------------------------
hardware hacks on Aminet


hope this helps you
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Old 03 April 2005, 12:00   #3
Jope
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The first 86 pins of the Zorro II bus are almost the same as with the A1000's (and A500's) side expansion slots (some call it AmigaBus). I think there's a certain frequency pin missing on the AmigaBus..

The A500's manual gives a listing of the pins and the A2000's CPU slot is similar, but "mirrored" in some way.

I wish all my manuals weren't packed away in the attic.
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Old 03 April 2005, 12:16   #4
icewizard2k5
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Quote:
Originally Posted by Jope
I wish all my manuals weren't packed away in the attic.
well...
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Old 04 April 2005, 13:24   #5
AmigaEd
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I did google

Quote:
Originally Posted by icewizard2k5
did you try GOOGLE at ALL?

Zorro II pinout
Ramex


-------------------------
hardware hacks on Aminet


hope this helps you
Yes, As a matter of fact I did google!
Seems that I' googling all of the time!

I did find that Zorro II pinout.
The problem is that it does not describe the orientation of the pins on the A1000. Meaning, which pin is pin 1? Is pin one toward the front of the machine or the back and is it on the top of the edge connector or the bottom.

I can probably sort it out by looking at the Zorro II pinout from above and then using a multimeter to find out which pin is ground, +12VDC +5VDC and -5VDC. I had done this about 18 years ago, but appear to have misplaced my notes.

Another interesting thing about that Zorro II pinout chart is that it only describes 86 pins. The Zorro II bus has 100 pins? Where did the last 14 pins go? Signals such as _BUSRST, E7M(7Mhz),_EINT1, etc. are missing from that chart. Kind of makes me wonder if the document is acurate at all?


Thanks for the help,
-AmigaEd
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