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xcl-950408.readme
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1995-10-22
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Descr: Latest version of X-server for cirrus-based boards, supports
memclock-option. Runs under NetBSD V1.0.
This is a experimental Xserver with blitter suport for the PicassoII,
but it should also work for the other boards who uses the same grf_cl driver.
You need an link from /usr/local to /usr/tmplocal to use it.
Bernd Ernesti
email: erbe0011FH-Karlsruhe.DE
P.S: No this Xserver is not from me
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### IMPORTANT!!! READ THIS OR YOU'LL BLOW YOUR HARDWARE! NO JOKE!!!
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A small warning for all users of Xcl X-Server from Kari:
It is possible to destroy your graphic boards hardware using this server,
even if you use the default settings.
The default settings for the X-Server option 'memclock' - which is
responsible for the clock rate in the cirrus chip and the access time to
the on-board RAM - are 65MHz which is too much for a Picasso II with only
60ns RAM and most probably also for the other Cirrus-based boards.
You should use '-memclock 50' to use a 50MHz clock rate, maximum is
up to you, i suggest no more than 60MHz for a 60ns RAM board. For 40ns
you might want to use a max of 65 - 70MHz.
But as usual - use at own risk, I cannot even blame Dagge because the
other Cirrus boards may be resistant for over-clocking.
--
Markus Illenseer