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Sharp PC-4600 won't boot from bootdisk.

Nicki53

New Member
Joined
Jul 17, 2013
Messages
4
Location
Aalborg, Denmark
Hi.

I have an ancient Sharp PC-4600 (4602 to be precise!) which i have recently found a power supply for.

I have a problem though, i don't have any original 720kb DOS 3.3 Sharp Bootdisk (it does not have a harddrive) but i found an image and put it on a 1.44mb High Density floppy, and i tried to boot from the floppy but i get the message "Not a System Diskette".

I have no idea what to do... Is the image bad, or is it the floppy disk or even the Sharp's floppy drive?
Any help would be appreciated!
 
I see on the Internet that the PC-4600 has two 720K diskette drives.

but i found an image and put it on a 1.44mb High Density floppy, and i tried to boot from the floppy but i get the message "Not a System Diskette".
Try the 'STEP 2' block of the process at http://www.minuszerodegrees.net/5170/setup/5170_gsetup_720.htm
In STEP 2 is a link to a 720K sized image of a DOS boot diskette, and you'll be creating a 'fake' 720K diskette from a 1.44M one.
 
I see on the Internet that the PC-4600 has two 720K diskette drives.


Try the 'STEP 2' block of the process at http://www.minuszerodegrees.net/5170/setup/5170_gsetup_720.htm
In STEP 2 is a link to a 720K sized image of a DOS boot diskette, and you'll be creating a 'fake' 720K diskette from a 1.44M one.

It sadly dosen't work, the Sharp still says " Not a System Diskette, should i buy some 720kb floppy's off Amazon or what?
 
It sadly dosen't work, the Sharp still says " Not a System Diskette, should i buy some 720kb floppy's off Amazon or what?
Usually the 'fake' 720K diskette technique is good enough for booting purposes, but maybe the drive in your PC-4600 is intolerant of that. So, some 'real' 720K diskettes would prove/disprove that.

Another thing to try is the use of a 3.5" head cleaning diskette.
 
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