[syslinux] syslinux.com: sector read error

H. Peter Anvin hpa at zytor.com
Sun Nov 11 16:06:18 PST 2007

Geert Stappers wrote:
> Op 29-10-2007 om 16:42 schreef Devin Bayer:
>> Hello.  I cannot install syslinux on my hard disk image.  Steps to  
>> reproduce the problem:
>> (1) Create a zeroed disk image with 800 tracks, 32 sides, and 63  
>> sectors or 825753600 bytes
>> (2) Fdisk and format it with "format.com /S C:" from windows 98SE  
>> boot disk.
>> (3) Copy syslinux (tested version 3.11, 3.20, and latest released) to  
>> root.
>> (4) Run "lock C:" and press "Y" (why is this necessary?)
>> (5) Boot drive and run "syslinux c:"
>> (6) Get "sector read error"
>> I am using qemu 0.9.0.  This works with disks having different  
>> geometries.
> So it seems that some limit in geometry was encountered.
> And that is reasonable in my opinion,
> after all was syslinux designed to boot from floppy (1.2Mb).

For hard disk images, there should be no such limit.  For *floppy* 
images there is a 255-cylinder limit built into DOS.

syslinux.com might have bitrotted for all I know.


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