Slow startup GRUB2 (GPT Hard Driver) external devices connected

Hi,
Anyone know why would GRUB2 init/search/scan external devices on start-up ?
I get a long delay (i.e. an flashing rectangle (or underline, gotta check) (cursor)) as Grub2 starts when I have a CD in my computer and/or when my external Hard Drive is connected.
I suppose it's caused by the external devices, because, when it happens, I hear sequentially my CD being worked on and my external hard drive working, then GRUB is starting (displaying the "Grub Loading..."/"Welcome to Grub" message). When I disconnect my devices and remove my CD, it all goes well and the "Grub Loading..."/"Welcome to Grub" appears nearly instantly.
Anyone who has good knowledge on GRUB2 know what I could do to remove this delay (i.e. don't touch to the devices, let Linux do its job) ?
Thanks,
Totony
EDIT : Apparently, it was the BIOS (Dell's) who was scanning my devices (despite that the boot order had the Internal Hard Driver coming first...). I still got them problem if anyone know why it does that.
Last edited by Totony (2011-07-27 21:13:12)

Just fond a post of someone with similar issues.
Post is called : " Silverfast scanning software slows bootup and shutdown ".

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