Re:dac registers

 BBS: Inland Empire Archive
Date: 05-28-92 (11:32)             Number: 153
From: STEVE HALKO                  Refer#: NONE
  To: RICH GELDREICH                Recvd: NO  
Subj: Re:dac registers               Conf: (2) Quik_Bas
RG>    P.S. I've recently seen that some people only OUT to &h3C7 when
RG>loading or changing the DAC colors. THIS DOES NOT WORK ON SOME VGA'S!!
RG>Out to both &h3C7 AND &h3C8!!

RG>    Don't ask why it doesn't work on some computers when you only OUT to
RG>the first port. I'm didn't make the darn things...

  The Video 7 VGA Technical Reference Manual says that 3C7 is used for
  reading the palette registers from 3C9, and 3C8 is used when writing
  to 3C9.

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