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- From: beyer@utrtsc.dec.com (Peter Beyer)
- Subject: Re: X11R5 server and suport for PMAGB-B
- Message-ID: <1993Jan7.092851.28710@nntpd.lkg.dec.com>
- Sender: usenet@nntpd.lkg.dec.com (USENET News System)
- Organization: Digital Equipment Corporation
- References: <1993Jan6.095344.10635@dcs.warwick.ac.uk>
- Date: Thu, 7 Jan 1993 14:49:04 GMT
- Lines: 28
-
-
- In article <1993Jan6.095344.10635@dcs.warwick.ac.uk>, rince@dcs.warwick.ac.uk (James Bonfield) writes...
- >Hello,
- >
- > I've recently compiled up X11R5 for a Decstation 5000/240. The
- >original Decwindows I used was only release 4 based. However I've noticed a
- >substantial performance decrease.
- >
- > Hunting around has tracked this down to the fact that X11R5 does not
- >support the DEC graphics cards. The Imakefile in mit/server/ddx/dec/ws has a
- >comment saying 'Only color frame buffers are currently supported'. Is this
- >likely to change? There are two (currently unused) files with support for the
- >PMAG boards - but they only cover PMAG_[CFD]A. Any help here?
-
- The PMAGB-Bx also known as the HX smart framebuffer, needs special ddx code to
- get the smart part running. This code is not in the X11R5 release. In your case
- it's just running as a dumb framebuffer ala CX, hence slow...
-
- > The only solutions I can think of are to either ignore the slowness to
- >get a release 5 compatible decwindows server.
-
- You'll have to wait until DECwindows becomes R5...
-
- Peter Beyer
- Windows, Graphics & Multimedia
- Digital Equipment b.v.
- beyer@utrtsc.enet.dec.com
- beyer@athena.uto.dec.com
-