From: Christian Franke <Christian.Franke@t-online.de>
To: The development of GRUB 2 <grub-devel@gnu.org>
Subject: Re: [PATCH] cdrom access patch
Date: Wed, 12 Mar 2008 07:52:29 +0100 [thread overview]
Message-ID: <47D77DAD.1080309@t-online.de> (raw)
In-Reply-To: <ca0f59980803112226o24a602eyfafcb20151e7d37c@mail.gmail.com>
Bean wrote:
> On Wed, Mar 12, 2008 at 5:10 AM, Christian Franke
> <...> wrote:
>
>> ...
>> cd.diff works on this specific PC (Asus A8N, Phonix-Award BIOS), CD
>> appears as hd31.
>>
>> BTW: grub_biosdisk_iterate should IMO always expose the boot_drive (see
>> my latest patch).
>> With current CVS and cd.diff, the boot_drive would not be visible in
>> 'ls' if e.g 0x80=HDD, 0x82=boot CD (as seen on some old Laptop).
>>
>
> Thanks for the tip, please test the new patch, it start scanning for
> cdrom if the boot drive is larger than the last harddisk.
>
>
OK, will test this soon.
> BTW, i have a small question, if there is more than one cdrom, would
> bios export all of them, or just the boot one ?
>
>
At least during my tests, the 2nd CD drive was never accessible. I don't
know if this is true in general.
Different BIOS versions apparently handle CD booting different. For
instance when booting a "floppy emulation" CD, some BIOS expose the real
floppy drive as fd1, some don't.
Christian
next prev parent reply other threads:[~2008-03-12 6:52 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-05 8:49 [PATCH] cdrom access patch Bean
2008-03-07 15:37 ` Vesa Jääskeläinen
2008-03-09 15:33 ` Bean
2008-03-10 15:53 ` Bean
2008-03-11 21:10 ` Christian Franke
2008-03-12 5:26 ` Bean
2008-03-12 6:52 ` Christian Franke [this message]
2008-03-13 22:59 ` Christian Franke
2008-03-14 5:33 ` Bean
2008-03-14 17:28 ` Pavel Roskin
2008-03-14 19:58 ` Bean
2008-03-14 20:56 ` Bean
2008-03-14 20:58 ` Vesa Jääskeläinen
2008-03-15 7:34 ` Bean
2008-03-15 8:49 ` Vesa Jääskeläinen
2008-03-15 10:54 ` Bean
2008-03-15 19:01 ` Christian Franke
2008-03-17 4:31 ` Pavel Roskin
2008-03-17 6:21 ` Bean
2008-03-19 22:09 ` Pavel Roskin
2008-03-20 6:06 ` Bean
2008-03-24 4:15 ` Bean
2008-03-14 23:20 ` Christian Franke
-- strict thread matches above, loose matches on Subject: below --
2008-03-06 23:58 Kalamatee
2008-03-08 20:16 Kalamatee
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