Re: Thirth IDE bus on a host who were the BIOS recognize only two
From: Kurt (kurt_at_noemail.com)
Date: Thu, 26 Feb 2004 23:44:46 +1100
"Vince Coen" <VinceCoenDespawn@btconnect.com> wrote in message
> Hello Le!
> 22 Feb 04 20:04, Le Lyonnais wrote to All:
> LL> Hi, I would like to add another IDE bus on my linux machine (x86)
> LL> through a PCI card controller. The BIOS only supports two IDE buses.
> LL> Is Linux able to address and recognize the disks that will be plugged
> LL> onto this interface even if the BIOS does not see them ?
Yes, the only reason to put IDE drives into bios is to allow booting from
Once booted, linux,*bsd, solaris, win 95, 98, nt, 2000. XP will find bios
and non-bios IDE drives.
> You should see a setting regarding Offboard IDE, make sure it is set to
> after installing the additional controller (or enabled if auto not avail)
> also make sure you set the controller up to keep clear of IRQ 14 (Primary
> IDE) and IRQ 15 (Secondary). You may also have to set the port used to
> the existing ones (170 but I don't remember the other). If you have a
> built-in mini bios on the controller you should be able to reset the
> as above to avoid preused values. As far as I know you cannot boot from
> offboard controller but I have never tried to.
If the pci card ide interface has bios, it can boot.
You can boot off offboard controller if the motherboard bios has a setting
to allow this, or if you leave out the onboard controller drivers from