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Forum: support.Other 27 January 2021, 21:53
Replies: 14
Views: 1,073
Posted By Sim085
I have read this elsewhere. Can the CIA chips not...

I have read this elsewhere. Can the CIA chips not get the E clock signal from the CPU and instead have this provided from the original 7MHz - slowed to whatever value required by the CIA chips?
Forum: support.Other 25 January 2021, 21:05
Replies: 14
Views: 1,073
Posted By Sim085
Yes, but the CPU runs at 28.37516 mhz division 4...

Yes, but the CPU runs at 28.37516 mhz division 4 = ~7MHz. If you connect a 12MHz 68010 to the motherboard without additional hardware this still runs at ~7MHz. So the AdSpeed must be doing something...
Forum: support.Other 25 January 2021, 20:46
Replies: 14
Views: 1,073
Posted By Sim085
I belive what it says is that ChipRAM is accessed...

I belive what it says is that ChipRAM is accessed as 7MHz while the onboard RAM can be accessed at 14MHz. If it access the onboard RAM at 14MHz then doesn't that mean the CPU is also running at 14MHz?
Forum: support.Other 25 January 2021, 20:02
Replies: 14
Views: 1,073
Posted By Sim085
How does this run at 14MHz?

Some time ago, while browsing the Amiga Hardware Database I came across the ICD AdSpeed;

http://amiga.resource.cx/exp/adspeed

What I cannot understand is how does this run at 14MHz without any...
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