Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-18 Thread David Wright
On Wed 16 May 2018 at 00:35:33 (+0200), Pascal Hambourg wrote: > Le 15/05/2018 à 03:23, David Wright a écrit : > > > >In this particular instance (the Lenovo), its PDF says: > (...) > > The default boot mode for your computer is UEFI mode. If you need to > > install a legacy operating syste

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-15 Thread Pascal Hambourg
Le 15/05/2018 à 03:23, David Wright a écrit : In this particular instance (the Lenovo), its PDF says: (...) The default boot mode for your computer is UEFI mode. If you need to install a legacy operating system, such as Windows (that is, any operating system before Windows 8)

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread David Wright
On Mon 14 May 2018 at 23:29:43 (+0200), Pascal Hambourg wrote: > Le 14/05/2018 à 02:02, David Wright a écrit : > >On Sun 13 May 2018 at 19:08:48 (+0200), Pascal Hambourg wrote: > >> > >>Most of my early experience with UEFI boot comes from a rather old > >>Intel motherboard. Beside crippled UEFI su

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread David Wright
On Mon 14 May 2018 at 11:56:11 (-0400), Stefan Monnier wrote: > > Yes, documentation of firmware is almost unknown in my experience > > (since probably 30 years ago). That's why I took the least invasive > > It's documented to the extent that it says "implements UEFI" and that > UEFI is documented

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread songbird
Chris Ramsden wrote: > On 2018-05-14 01:21, songbird wrote: >> Pascal Hambourg wrote: >> ... >>> I agree with the author. If you want to keep the existing EFI Windows >>> installation and have a convenient dual boot with GRUB, you'll have to >>> set up your favourite distribution to boot in EFI m

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread Pascal Hambourg
Le 14/05/2018 à 02:02, David Wright a écrit : On Sun 13 May 2018 at 19:08:48 (+0200), Pascal Hambourg wrote: Most of my early experience with UEFI boot comes from a rather old Intel motherboard. Beside crippled UEFI support (no UEFI boot from USB or SATA in AHCI mode), it had a couple of annoyi

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread Stefan Monnier
> Yes, documentation of firmware is almost unknown in my experience > (since probably 30 years ago). That's why I took the least invasive It's documented to the extent that it says "implements UEFI" and that UEFI is documented. >> Same here (basically for the same reason: the behavior of the firm

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread Chris Ramsden
On 2018-05-14 14:55, David Wright wrote: > Would I be correct in thinking that the BIOS POST boot screen is > what you get when you hit F12 sufficiently quickly after switch-on? > So are you choosing between UEFI and Legacy (compatibility) mode. > (I would like to know how Dell handles what I've be

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread David Wright
On Mon 14 May 2018 at 09:14:23 (-0400), Stefan Monnier wrote: > > That said, there are other statements that are odd: > > Not sure what you find odd about them: > > > "I really can’t recommend strongly enough that you do not attempt > > to mix UEFI-native and BIOS-compatible booting of >

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread David Wright
On Mon 14 May 2018 at 13:28:56 (+0100), Chris Ramsden wrote: > On 2018-05-14 01:21, songbird wrote: > > Pascal Hambourg wrote: > > ... > >> I agree with the author. If you want to keep the existing EFI Windows > >> installation and have a convenient dual boot with GRUB, you'll have to > >> set up

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread Stefan Monnier
> That said, there are other statements that are odd: Not sure what you find odd about them: > "I really can’t recommend strongly enough that you do not attempt > to mix UEFI-native and BIOS-compatible booting of > permanently-installed operating systems on the same computer, and >

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread Chris Ramsden
On 2018-05-14 01:21, songbird wrote: > Pascal Hambourg wrote: > ... >> I agree with the author. If you want to keep the existing EFI Windows >> installation and have a convenient dual boot with GRUB, you'll have to >> set up your favourite distribution to boot in EFI mode. If you want to >> go

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-14 Thread songbird
Pascal Hambourg wrote: ... > I agree with the author. If you want to keep the existing EFI Windows > installation and have a convenient dual boot with GRUB, you'll have to > set up your favourite distribution to boot in EFI mode. If you want to > go back to legacy boot, including for Windows, yo

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-13 Thread David Wright
On Sun 13 May 2018 at 19:08:48 (+0200), Pascal Hambourg wrote: > Le 13/05/2018 à 17:18, David Wright a écrit : > >On Fri 11 May 2018 at 15:13:04 (-0500), Kent West wrote: > >> > >>That's good to know. I guess my source material ( > >>https://www.happyassassin.net/2014/01/25/uefi-boot-how-does-that-

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-13 Thread Pascal Hambourg
Le 13/05/2018 à 17:18, David Wright a écrit : On Fri 11 May 2018 at 15:13:04 (-0500), Kent West wrote: That's good to know. I guess my source material ( https://www.happyassassin.net/2014/01/25/uefi-boot-how-does-that-actually-work-then/) is wrong. Or I misunderstood it. While a lot of the de

UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

2018-05-13 Thread David Wright
On Fri 11 May 2018 at 15:13:04 (-0500), Kent West wrote: > On Fri, May 11, 2018 at 2:59 PM, Pascal Hambourg > wrote: > > > Le 11/05/2018 à 20:33, Kent West a écrit : > > > >> > >> I learned that EFI boot drives need to have a GPT partition table. On a > >> > > > > This is not correct. The UEFI sp