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Message

Re: Emax II - boot from Zip...?

2007-03-18 by esynthesist

No, the restore function always works.
Windows formatted ZIP disks are almost the same as Emax/MAC formatted 
ZIP disks. But Emax/Mac machines format a few more sectors on the 
disk, and unfortunately Emax seems to check the existence of these 
additional sectors. If it can't find them, it gives an error 
message "Not an EMAX-II disk" or something like that.

I haven't found a way yet to format ZIP disks with those additonal 
sectors under Windows XP. I think it's possible with parallel 
versions and old Iomega drivers, but most of us use USB drives of 
course.
Anyway, that's the reason why there's no "format ZIP" function in 
EMXP...

So I hope you have access to a Mac computer somewhere ?
(or pre-formatted ZIP-disks for MAC, those exist too !)

///E-Synthesist

--- In emax@yahoogroups.com, "b_j_glover" <b_j_glover@...> wrote:
>
> Thanks for the extra info. When I was trying the ZIP method, I was 
> using a PC formatted (250MB) disk, though you warned this might not 
> work. However, the "Restore" function in EMXP seemed to operate 
> correctly. But is the fact that Restore can be used to put an image 
> on the disk enough to guarantee that the disk is in an acceptable 
> format to the Emax...?
> 
> > That's strange !
> > 
> > I have an EMAX-II rack without any internal HD.
> > The only two disk devices connected to this EMAX-II are:
> > - the internal floppy drive
> > - an external 100 MB ZIP drive with ID = 6 and terminator = ON.
> > (the Boot SCSI ID in the Master Module is set to 4 however)
> > 
> > When I boot the EMAX-II without any floppy disk in the drive, but 
> > with an EMAX-II formatted ZIP disk with OS in the ZIP drive, it 
> boots 
> > from that ZIP disk !
> > 
> > The EMAX-II always scans the complete SCSI chain if it doesn't 
find 
> > an OS on the floppy disk or on the "default SCSI device" set by 
the 
> > SCSI ID you mentioned in the Master module. 
> > This Master setting does not mean that the OS can only be loaded 
> from 
> > that device. The Master SCSI ID must be set if your EMAX-II has 
> > multiple HD's (or ZIP disks) each carrying its own OS. In that 
> case, 
> > you have to tell the EMAX-II which OS device is the preferred 
> > one/should be used. It indicates the first HD which will be 
checked 
> > by the EMAX-II. If no OS resides on that HD, EMAX-II will start 
the 
> > SCSI chain search.
> > 
> > So normally you should not have any problem with booting from an 
> > external ZIP drive. 
> > (on EMAX-I however, the ZIP drive MUST have SCSI ID = 0)
> > 
> > Regards
> > 
> > ///E-Synthesist
> > 
> > 
> > 
> > --- In emax@yahoogroups.com, "b_j_glover" <b_j_glover@> wrote:
> > >
> > > Hi -
> > > 
> > > Thanks for the quick reply - that's an excellent utility.
> > > 
> > > Unfortunately the Emax II seems to want to read its OS from the 
> > > floppy unless you change the SCSI Boot ID to something else. 
The 
> > > manual says:
> > > 
> > > "This function allows you to select which SCSI drive (0=floppy, 
1-
> > > 7=HD) Emax II will scan on initial power up for its operating 
> > > software. Note: Emax II will always boot from floppy if a 
> formatted 
> > > floppy disk resides in the drive on power up"
> > > 
> > > My external ZIP drive only allows the 5/6 ID setting. I also 
> tried 
> > > booting up from a prepared internal SCSI drive set to ID 0, and 
> > using 
> > > the trick of putting a jumper on pins 25/26 of the floppy 
> connector 
> > > to avert the system check, but it hangs on "Pease Insert Disk". 
I 
> > > don't know whether that's because the drive doesn't spin up in 
> > time, 
> > > or whether the thing is canny enough to know it's been 
hoodwinked.
> > > 
> > > Bleugh - after pulling apart my PC, my Emax and my Kurzweil to 
> get 
> > > this far, I think I'm going to have to surrender to Route 
66...;) 
> > But 
> > > once I get it working, I'll definitely be making more use of 
the 
> > > wondrous EMXP...
> > > 
> > > specify otherwise --- In emax@yahoogroups.com, "esynthesist" 
> > > <esynthesist@> wrote:
> > > >
> > > > Yes there is.
> > > > 
> > > > You can create an EMAX-II ZIP disk image with EMXP v2.02.
> > > > (using the "manage Emax HD/CD images"->"create new image" 
> menu). 
> > > After 
> > > > the 96 MB image-file has been created by EMXP, you can add an 
> > Emax-
> > > II 
> > > > OS to it (again with EMXP v2.02). OS files can be downloaded 
in 
> > > this 
> > > > group or from the emulatorarchive website.
> > > > 
> > > > Then you have to copy the image to a ZIP disk (connected to 
> your 
> > > PC).
> > > > Again use EMXP for this :-) (via "restore" function)
> > > > 
> > > > One important note though !
> > > > The ZIP disk must have been formatted first in an "emax-
> > compatible" 
> > > way.
> > > > You don't need an EMAX to do that, but unfortunately my 
> > experience 
> > > > shows that simply formatting a ZIP disk on a Windows machine 
> does 
> > > not 
> > > > guarantee an EMAX-compatible ZIP disk.
> > > > I always format them first on an old Mac Classic. This format 
> > > procedure 
> > > > seems to be compatible with Emax...
> > > > 
> > > > ///E-Synthesist
> > > > 
> > > > 
> > > > 
> > > > --- In emax@yahoogroups.com, "b_j_glover" <b_j_glover@> wrote:
> > > > >
> > > > > Hi -
> > > > > 
> > > > > I've got an Emax II (2212) which I haven't been able to 
boot 
> > up - 
> > > > I've 
> > > > > tried creating boot floppies, but they've never worked, and 
I 
> > > think 
> > > > the 
> > > > > drive might need replacing. But I've got a 100MB SCSI Zip 
> > drive, 
> > > and 
> > > > I 
> > > > > was wondering if there might be any way to create a 
bootable 
> > > image on 
> > > > > that via a PC...?
> > > > >
> > > >
> > >
> >
>

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