[net.micro.mac] disk write protect - hard and software

bill@crystal.UUCP (Bill Cox) (01/24/86)

> > ... it was up to the software to ask the OS if the disk
> > was locked; that if the s/w didn't ask, the disk could be written to whether
> > or not it was locked.    DOES ANYONE IN NETLAND KNOW IF THIS IS TRUE?????

> ...And an article from Apple a few days later said that indeed, the disk IS
> write-protected in hardware as well as software.

Yes, it IS write protected in hardware.  However, when I asked about this
some time ago while talking to an Apple Comp.  Mac-hacker, it came out that
there is a way to turn off the LED in the disk drive, so the hardware thinks
that the disk is not protected.


-- 
	William Cox
	Computer Sciences Department
	University of Wisconsin, Madison WI
	bill@wisc.crys.edu
	...{ihnp4,seismo,allegra}!uwvax!bill