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Author Topic: chipmemsize A4000  (Read 4348 times)

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Offline whabang

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Re: chipmemsize A4000
« on: March 01, 2005, 01:51:39 PM »
It is possible to use 8 Mb SIMMs for Chip-RAM, but the AGA-chipset can only detect 2 Mb.

8000 0006 means memory i/o error...
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Offline whabang

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Re: chipmemsize A4000
« Reply #1 on: March 01, 2005, 01:52:39 PM »
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Jope wrote:
I seem to remember that the CHIP RAM SIMM needs to be double sided..

Never had to do that myself, however - my A4000s have the original CHIP SIMM installed.

There is no such thing as a double-sided SIMM. If it has two sides, then it's a DIMM. :-)
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Offline whabang

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Re: chipmemsize A4000
« Reply #2 on: March 03, 2005, 12:30:00 PM »
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Doobrey wrote:
I hope that`s just your Swedish sense of humour whabang..

Yes! ;-)

However, it shouldn't really matter as long as the module is a standard compliant SIMM, should it?
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Offline whabang

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Re: chipmemsize A4000
« Reply #3 on: March 03, 2005, 12:33:48 PM »
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Piru wrote:
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There is no such thing as a double-sided SIMM. If it has two sides, then it's a DIMM.

SIMMs and DIMMs come in both single and double side flavors.

I was kidding.
Haha?
No?
Nevermind, then...
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Offline whabang

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Re: chipmemsize A4000
« Reply #4 on: March 03, 2005, 12:43:35 PM »
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Piru wrote:
Nope, the CPU has executed CHK or CHK2 instruction with true condition (exception 6 generated).

Amiga programs don't use CHK or CHK2 instructions, so this means things are going horribly wrong at some point. However, because the Amiga is able to display a guru of some sort means that at least part of the memory is working fine.

DO'H! My bad. I guess I'm the one having a RAM I/O error!
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Offline whabang

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Re: chipmemsize A4000
« Reply #5 on: March 03, 2005, 01:16:36 PM »
Understandable... Looking back at it, I can't even imagine what the hell I was thinking. I couldn't even get that answer when looking at the guru reference page. :\
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