Re: VIC - DRAM-refresh

From: john/lori (henk_at_access1.net)
Date: 2001-05-15 18:05:09

> About the system, I expect some thing like "A0..7 increase every CLK2" or
> "A0..7 increase every second CLK2". In the first case I would increase
> (A8..x) every 256 pulses, in the second case I would toggle A8 every pulse
> and increase (A9..x) every 512 pulses.
> 

Can't say I'm really familiar with all DRAMs, (especially the
more modern SDRAM and DDRs and (pick some random letters)),
but I'd sure look for /CAS-before-/RAS refresh capability,
and I'd expect any 8MB FPM or EDO to have it.

bogax
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