[syslinux] Buggy bios, boot of dos image hangs with syslinux, but not with isolinux

[Geert Stappers]

Op 06-08-2008 om 08:38 schreef Zipf Christian:
> Von: H. Peter Anvin
> Gesendet: Dienstag, 5. August 2008 17:35
> Zipf Christian wrote:
> > > Here is the output:
> > > Ramdisk at 0xdbef0000, length 0x002d0000
> > > Disk is floppy 0, 2880K C/H/S = 80/2/36, EDD off
> > > Using raw access to high memory
> > > Total size needed = 2454 bytes, allocating 3K
> > > Old dos memory at 0x9d800 (map says 0x9d800), loading at 0x9cc00
> > > 1588: 0xffff  15E801: 0x3c00 0x7cbe
> > > INT13 08: Success, count = 0, BPT = 0000:0000
> > > old: int13 = e320aaef int15 = e3200fab
> > > new: int13 = 9cc0000a int15 = 9cc0037e
> > > Loading boot sector... booting...
> > > Starting MS-DOS
> > > 
> > > After that the computer completely freezes, and has to be powered down.
> > > 
> > > Does anybody know of a way around this?
> > 
> > Could you try 3.71?  This looks like it may be one of the machines which 
> > is helped by the new code.
>
> I tried Version 3.71, 3.62, 3.55. Unfortunately it is the same behavior
> on all of them. But it is only memdisk that is affected by this. If I
> boot a mini linux distro like DSL or SLAX this works just fine from
> the usb stick. But than again the memdisk code works if booted from
> a cd with isolinux. Mighty strange.

That raised to me the question: How big is MS-DOS image that is used?
I think some size limit is reached ...


Cheers
Geert Stappers


P.S.
Christian,

Please consider http://home.in.tum.de/~jain/software/outlook-quotefix/