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hardware revision 1.4.2.1 
      1     NetBSD/mac68k _VER runs on several of the older Macintosh computers.
      2     4MB of RAM should be sufficient to boot and the system can probably
      3     be squeezed onto a 40MB hard disk by leaving off a package or two.
      4     To actually do much compiling or anything more interesting than
      5     booting, at least 8MB of RAM and more disk space is recommended.
      6     About 75MB will be necessary to install all of the NetBSD _VER binary
      7     distribution (note that this does not count swap space!).  Much more
      8     disk space is required to install the source and objects as well (about
      9     another 200-300MB as a guess).
     10     
     11     Supported models:
     12     	Mac II, IIx, IIcx, SE/30, IIci, IIsi, IIvx, IIvi,
     13     	Performa 400/405/410/430, Performa 450, Performa 460/466/467,
     14     	Performa 520, Performa 550/560, Performa 600,
     15     	LC II, LC III, LC III+, LC 520, LC 550,
     16     	MacTV,
     17     	Centris 650,
     18     	Quadra 610, Quadra 630, Quadra 650, Quadra 700, Quadra 800,
     19     	Quadra/Centris 660AV, Quadra 840AV
     20     
     21     Supported devices on all of the above systems include:
     22     	Onboard SCSI bus and most SCSI tapes, hard drives, and CD-ROMs
     23     	Internal sound--enough to beep on some machines, anyway
     24     	Most basic NuBus video cards (there have been some
     25     		problems with some 24-bit color cards and with most
     26                     QuickDraw acclerators)
     27     	Both internal serial ports
     28     	ADB keyboards and mice (both Apple and a number of third party
     29     		multi-button mice and trackballs are supported)
     30     	Ethernet cards based on the Natl. Semiconductor 8390 and the
     31     		SONIC (DP83932) chips
     32     		(Asante, Apple, and a few others--problems still
     33     		 with ethernet and many NuBus video cards).
     34     	Onboard ethernet based on the SONIC chip for Quadra-series Macs
     35     	Onboard ethernet based on the MACE chip for the AV Quadras.
     36     	Comm-slot ethernet may be working for some machines/cards.
     37     	
     38     If your 68030 system is not listed above, it may be because of a problem
     39     with accessing onboard video and it may still work with a serial console.
     40     Some of the known ones in this category:
     41     	Classic-series Macs 
     42     	PowerBook 100-series and Duo-series Macs
     43     
     44     If your 68LC040 system is not listed above, it is due to a problem with
     45     floating point emulation (FPE) for this type of processor.  Machines in
     46     this category include:
     47     	Newer LC-series machines
     48     	Newer Performa-series machines
     49     	Some PowerBook 500-series Macs
     50     
     51     What isn't supported, but often asked about:
     52     	Macintosh IIfx:  This machine has unusual custom chips for the
     53     		ADB and serial interfaces which makes support for it
     54     		difficult.  Work is in progress on this, though.
     55     	Quadra 900/950:  These machines have I/O processor chips for their
     56     		ADB interfaces similar to those used in the IIfx and thus
     57     		face similar support problems.
     58     	PowerPC-based Macs.  This will be separate from this port.
     59      		The PowerPC is a much different processor as is much of
     60     		the hardware inside these machines.  If you are
     61     		interested in this, you might want to take a look at 
     62     		http://www.mklinux.apple.com/.  In addition, there is
     63     		also a NetBSD-powerpc port.  For more information, please
     64     		see http://www.tools.de/~ws/NetBSD/powerpc.html.
     65