[syslinux] syslinux-3.36 Physical Floppy Disk Access Problem

H. Peter Anvin hpa at zytor.com
Sat Jun 30 08:17:56 PDT 2007


Desmond Boyd wrote:
>>
>> There should be a line when MEMDISK boots up saying something about "INT
>> 13 08", what is that printout?
>>
>> 	-hpa
>>
> 
> Hi,
> 
> Version 3.32-pre3 Physical Disk Drive B: OK with Virtual Disk Drive as A:
> Version 3.32-pre4 Physical Disk Drive B: Not Present only Virtual Disks A: 
> and B:
> 
> INT 13 08 Success, Count = 1, BPT = f000:a137
> old int13=f00023cb, int15=f000f859
> new int13= 9ec00008, int15=9ec00375
> 
> All memory addresses listed on the memdisk info page @ bootup for pre3/pre4 
> are identical but pre4 does not see the physical floppy disk.
> 
> If you need the exact screen information from both versions I can write each 
> one down unless there is a way to save the boot information with a switch to 
> the virtual fdd then I can upload the info to a networkshare.
> 

I went and looked over the patches between 3.32-pre3 and 3.32-pre4, and 
I found a likely cause for this failure.  I have pushed out a 3.53-pre3 
prerelease with a test fix; if you could please test that out I would 
appreciate it.

	-hpa




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