[Lancelot] VGA clk

H. Peter Anvin hpa at zytor.com
Fri Feb 4 11:24:35 PST 2005

Tommy Thorn wrote:
> Well, 25MHz maps nicely to 680x480 VESA mode.  I don't know of any modes using
> 50MHz.   Finially, is the DAC even rated that high?  Why do you care?  You can
> just use the DCM to devide it down.

If I remember right, the DAC is rated at 80 MHz, which is enough for 

Ultimately the clock frequency you need is a result of the resolution 
you want.


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