View Full Version : How do you get a 712+MB file on a 700MB CD?
FCizek
05-04-2003, 03:35 AM
OK, seems like no one else has had this problem, but KNOPPIX_V3.2-2003-04-18-EN.iso is 712MB plus. If I add a MB or 2 from my boot floppy, the files won’t burn to a 700MB CD.
What am I missing here?
Stephen
05-04-2003, 04:05 AM
OK, seems like no one else has had this problem, but KNOPPIX_V3.2-2003-04-18-EN.iso is 712MB plus. If I add a MB or 2 from my boot floppy, the files won’t burn to a 700MB CD.
What am I missing here?
Those are bytes not MB it works out to under 700MB (696+MB) and you should not be adding any files when you try to burn the image.
mabhatter
05-04-2003, 04:06 AM
The .iso should work just fine--it did for me. Realize that file downloads show actual number of bytes in most cases. There's 1,024 B in a KB, and 1,024 KB in a MB. Thats 1,048,576 Bytes in a MB. If you divide the numbers you'd see that it just barely fits. 697MB kinda barely! It's really squeezed in there.
Also, The disc is already bootable. It already has a boot image on it! You don't add anything to the iso--an iso is an exact disc copy. It has to burn on the disc exactly as the original was because the filesystem and blocks are copied not recreated.
make sure you burn the image to the disk... not the image ON the disk...
rickenbacherus
05-04-2003, 06:31 AM
OK, seems like no one else has had this problem, but KNOPPIX_V3.2-2003-04-18-EN.iso is 712MB plus. If I add a MB or 2 from my boot floppy, the files won’t burn to a 700MB CD.
What am I missing here?
Perhaps you have never heard of overburning
A 700 MB cd can actually hold 703.125Mb. w/out overburning. IIRC some cdburners cannot handle overburning.
edit
It is possible to have overburning disabled.
mabhatter
05-06-2003, 08:57 AM
Unless he's connected to that 'other' Klaus and can get me a new burner!
I still wonder why the ISO is over 650 MB? certain drives *cough*sony*cough* that people have refuse to burn more than exactly spec. I have no problems. Just don't mention that I saw 800? MB CDRs at the show over the weekend. What ever would you do? How would you use them anywhere else? Don't let Klaus read about this!
garyng
05-06-2003, 09:31 AM
I still wonder why the ISO is over 650 MB?
Indeed, in order to have the broadest support(that is why all those scsi driver in the boot image), I prefer it to be within the 650MB envelope and the boot disk 1.44M(which is not a problem for KNOPPIX but many bootable linux CD lax that to 2.88M format and fail to boot on some old machines).
StyleWarz
05-07-2003, 10:26 AM
Sorry, never had a problem with to big images... Just burned them with Nero and everything is fine...
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