* bootsect.S and magic address 0x78
@ 2002-10-18 10:03 Gerrit Bruchhäuser
2002-10-18 13:00 ` Sean Estabrooks
2002-10-19 4:44 ` Rob Landley
0 siblings, 2 replies; 4+ messages in thread
From: Gerrit Bruchhäuser @ 2002-10-18 10:03 UTC (permalink / raw)
To: torvalds; +Cc: linux-kernel, alan, ankry
Hello Linus,
Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
refers to? I mean, is this somewhere specified?
Many thanks and cheers from germany.
Gerrit
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: bootsect.S and magic address 0x78
2002-10-18 10:03 bootsect.S and magic address 0x78 Gerrit Bruchhäuser
@ 2002-10-18 13:00 ` Sean Estabrooks
2002-10-21 6:39 ` Gerrit Bruchhäuser
2002-10-19 4:44 ` Rob Landley
1 sibling, 1 reply; 4+ messages in thread
From: Sean Estabrooks @ 2002-10-18 13:00 UTC (permalink / raw)
To: linux-kernel; +Cc: Gerrit Bruchhäuser
> Hello Linus,
>
>
> Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
> refers to? I mean, is this somewhere specified?
>
> Many thanks and cheers from germany.
>
> Gerrit
> Hello Linus,
>
>
> Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
> refers to? I mean, is this somewhere specified?
>
Hope you'll settle for an answer from a simple lkml lurker and not the top
gun.
The address 0x78 points to the floppy disk drive parameter table
described here: http://www.xs4all.nl/~matrix/fdd_pt.html
A list of all the low memory ROM BIOS vectors and addresses can be
found here: http://www.cybertrails.com/~fys/rombios.htm
Cheers,
Sean
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: bootsect.S and magic address 0x78
2002-10-18 13:00 ` Sean Estabrooks
@ 2002-10-21 6:39 ` Gerrit Bruchhäuser
0 siblings, 0 replies; 4+ messages in thread
From: Gerrit Bruchhäuser @ 2002-10-21 6:39 UTC (permalink / raw)
To: Sean Estabrooks; +Cc: linux-kernel, landley, alan, ankry, torvalds
Hello Sean,
thank you very much - you realy helped me a lot. I wrote to the top
because this question had been already posted many times. See for
instances: http://www.leto.net/mail/linuxasm/2001/msg00538.html
If this is ok for you then I would like to copy+paste your answer to all
these postings I crossed.
Many thanks and cheers!
Gerrit
Sean Estabrooks schrieb:
>>Hello Linus,
>>
>>
>>Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
>>refers to? I mean, is this somewhere specified?
>>
>>Many thanks and cheers from germany.
>>
>>Gerrit
>>
>>
>
>
>
>>Hello Linus,
>>
>>
>>Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
>>refers to? I mean, is this somewhere specified?
>>
>>
>>
>
>Hope you'll settle for an answer from a simple lkml lurker and not the top
>gun.
>
>The address 0x78 points to the floppy disk drive parameter table
>described here: http://www.xs4all.nl/~matrix/fdd_pt.html
>
>A list of all the low memory ROM BIOS vectors and addresses can be
>found here: http://www.cybertrails.com/~fys/rombios.htm
>
>Cheers,
>Sean
>
>
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: bootsect.S and magic address 0x78
2002-10-18 10:03 bootsect.S and magic address 0x78 Gerrit Bruchhäuser
2002-10-18 13:00 ` Sean Estabrooks
@ 2002-10-19 4:44 ` Rob Landley
1 sibling, 0 replies; 4+ messages in thread
From: Rob Landley @ 2002-10-19 4:44 UTC (permalink / raw)
To: Gerrit Bruchhäuser; +Cc: linux-kernel
On Friday 18 October 2002 05:03, Gerrit Bruchhäuser wrote:
> Hello Linus,
>
>
> Can you tell me where this magic address 0x78 in arch/i386/bootsect.S
> refers to? I mean, is this somewhere specified?
>
> Many thanks and cheers from germany.
>
> Gerrit
I believe Tigran's Linux Kernel Internels guide for 2.4 covers this, you can
download it from here:
http://www.tldp.org/guides.html
Alas, there isn't a 2.5 guide yet. Moves too fast. :)
Rob
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2002-10-21 6:31 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2002-10-18 10:03 bootsect.S and magic address 0x78 Gerrit Bruchhäuser
2002-10-18 13:00 ` Sean Estabrooks
2002-10-21 6:39 ` Gerrit Bruchhäuser
2002-10-19 4:44 ` Rob Landley
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