Date: Thu, 12 Jan 1995 01:27:06 -1000 From: richard@pegasus.com (Richard Foulk) To: freebsd-hackers@freefall.cdrom.com Message-ID: <199501121127.BAA05524@pegasus.com>
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>I've just picked up one of these things sans manual, along with an old 300Mb >ESDI drive that may be on its last legs. The controller has a second board >that looks as if it carries about 2Mb of cache. Does anyone know if these >things just look like an ordinary controller, what jumpers will disable the >floppy drives, is it capable of having its IRQ and i/o ports changed? (yeah, >spare the arguments about how the memory would be better used on the >motherboard, but the fact is the target machine already has all the memory it >can take) It's not just a matter of cost effectiveness. A crash with a full cache can make your disk un-recoverable. A caching controller is a bad thing for Unix, unless the OS knows about it and is designed to cope. -- Richard Foulk richard@pegasus.com
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