That wasn't very nice

--- On Thu, 1/28/10, Jeff Walther <[email protected]> wrote:


From: Jeff Walther <[email protected]>
Subject: Re: SE/30 Video
To: "Vintage Macs" <[email protected]>
Date: Thursday, January 28, 2010, 8:48 AM




On Jan 27, 4:32 pm, Wolf <[email protected]> wrote:
> the slot in the SE/30 isn't NuBus; its an 68030 PDS slot

Please trim your quoted text.  You quoted all of my message, all of
the list footers just to post your one sentence.  All you needed to
quote was this:

>If the address space for each NuBus slot is only 1 MB when
> operating in 24 bit mode, and the SE/30 is limited to 24 bit
> addressing, how is it possible to have a video card with more than 1
> MB of VRAM

The easiest way of programming cards for the PDS slot is to treat them
as NuBus cards.  The programming method is the same and the address
allocation is the same.    The data just travels via the PDS slot
instead of the NuBus slot.

Jeff Walther

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