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- Newsgroups: comp.sys.apple2
- Path: sparky!uunet!elroy.jpl.nasa.gov!nntp-server.caltech.edu!toddpw
- From: toddpw@cco.caltech.edu (Todd P. Whitesel)
- Subject: Re: Flopticals...any successful usage out there?
- Message-ID: <1992Sep6.065053.26662@cco.caltech.edu>
- Keywords: Floptical, Insite, SCSI
- Sender: news@cco.caltech.edu
- Nntp-Posting-Host: mripc
- Organization: California Institute of Technology, Pasadena
- References: <1992Sep3.045719.10600@cco.caltech.edu> <1992Sep5.211140.28318@cs.tulane.edu> <1992Sep5.224214.16452@cco.caltech.edu> <1992Sep6.042445.29994@actrix.gen.nz>
- Date: Sun, 6 Sep 1992 06:50:53 GMT
- Lines: 27
-
- David.Empson@bbs.actrix.gen.nz writes:
-
- >All these drives are accessed using READ_BLOCK and WRITE_BLOCK calls
- >to the MLI. Formatting one of these disks causes the PCT software to
- >call the device's ProDOS block driver's FORMAT routine.
-
- >The only support the PCT has for "hard drives" is a file on a ProDOS
- >volume, which contains the image of a PC hard drive, including
- >partition table. The PCT uses standard ProDOS MLI calls (OPEN, READ,
- >WRITE, SET_MARK, etc.) to access these.
-
- Since this is all P8, you will be relying on the DMA SCSI or RamFast firmware.
- The DMA SCSI firmware does not appear to handle the floptical correctly at all.
- The Ramfast firmware will work IF the disk is partitioned AND it is inserted
- when P8 starts up (i.e. the RF has to tell P8 there is a device there when it
- is building the device list or the RF will not notify P8 when you _do_ insert
- a disk).
-
- In either case you are screwed. MSDOS floppies that you get from PC users don't
- have partition maps on them, and they will refuse to recognize a floppy that
- the RF has put a partition map on.
-
- The only way to get this to work is for CVT to support the floptical, and they
- haven't said anything definite yet.
-
- Todd Whitesel
- toddpw @ cco.caltech.edu
-