On Nov 3, 2008, at 1:15 PM, Michael Schmitz wrote:
At least the Quadra 900 and 950 have two SCSI buses, as deducted
from Finn'ss
recent patch.
I have a Quadra 950 (in addition to the Q650 which I've been using so
far). I'll set it up and check at some point if someone doesn't beat
me to it.
It is also possible to add SCSI buses. I have a NuBus SCSI card
that has
a 53c9x chip of some flavor on it, although I haven't tried it and
suspect
that it would take some work to get it supported in Linux. Having
a NuBus
SCSI card was a good option to upgrade performance of some of the
mid-range
systems where Apple was still using the NCR5380 but better chips were
available. I'm pretty sure Apple supported booting off these as
long as
they had the correct software in the ROM on the card.
Possible, but someone will just have to report what XPRAM data this
would set.
If anybody wants to take Genie/Lamp for a spin, you can get it here:
Lamp Ain't Mac POSIX
http://www.metamage.com/lamp/
Once running, /sys/mac/xpram is a read-only virtual file
corresponding to the 256-byte XPRam. You can either hack it with
perl or cat the whole thing into a real file and view it with HexEdit.
Also, the 'drvr' script will iterate through /sys/mac/unit and list
all the installed drivers.
Bear in mind that at present I am Lamp's only user, so some gotchas
are to be expected.
Josh
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