[ltp] "Quick Boot"

[Antiphon]

On June 25, 2004 05:45 am, Thomas Hood wrote:
> On Fri, 2004-06-25 at 02:12, Michelle Klein-Hass wrote:
> > One thing you definitely can do is turn off "Quick Boot" from the setup
> > screen. Hold down F1 while turning your ThinkPad on and then keep F1 held
> > down until you get to the setup. "Quick Boot" assumes that Windows is
> > running on the ThinkPad and can interfere with allowing the OS to detect
> > plug-and-play equipment.
>
> Enabling "Quick Boot" switches off the firmware function of configuring
> ISA PnP devices before booting the OS.  Switching off this function
> saves a wee bit of time and thus makes the power-on sequence a wee
> bit quicker.
>
> A genuine "PnP OS" such as Windows doesn't need the firmware to
> configure ISA PnP devices because it (the OS) can configure the devices
> itself using PnP methods.
>
> GNU/Linux has not one but two implementations of such PnP methods.
> The kernel has the isa-pnp driver and userspace has the isapnptools
> package.  Unfortunately, last time I checked neither of these was
> able to configure the ISA PnP devices on a ThinkPad 600.  I have no
> idea why.  I doesn't really matter, though, because the firmware does
> a perfectly good job of configuring the devices so long as "Quick Boot"
> is disabled.
>
> >  "Quick Boot" is useless under Linux.  It interferes
> > with proper function of sound under Linux, for example.
>
> The reason sound doesn't work if "Quick Boot" is enabled is that when
> "Quick Boot" is enabled the firmware leaves the sound chip in an
> entirely unconfigured state.
>
> If you have booted with "Quick Boot" enabled then it is still
> possible to use firmware routines to configure ISA PnP devices.
> You need a kernel with PnPBIOS support, which means either Linux 2.6.x
> or an Alan Cox Linux 2.4.x kernel.  With such a kernel you can use
> the setpnp command to invoke firmware routines to configure devices.
> --


Is this a 600E specific bug? I've not encountered it on the 600X. I've never 
disabled Quick Boot and the sound has always worked without any silly stuff 
within the /etc/apm* files and directories. I did find using sound irritating 
with ALSA and so switched back over to OSS.