Re: solve my problem for me (for David Schwartz)

On Wed, 11 Mar 2009 20:53:15 -0700 (PDT) David Schwartz <davids@xxxxxxxxxxxxx> wrote:
| On Mar 11, 7:35?pm, phil-news-nos...@xxxxxxxx wrote:
|
|> What happens if there is a hardware reset at some point in time between when
|> the boot manager is reconfigured, and when it resets its configurationas it
|> chainloads into Windows? ?If the answer is anything other than "Linux" then
|> it fails to meet the requirements.
|
| Yeah, I think you're right. You need to use a trick to 'kexec'
| Windows.
|
| I've heard that you can 'kexec' the DOS version of GRUB, using 'kexec -
| l grub.exe' and use GRUB.EXE to boot Windows.
|
| But I think you have a fundamental problem. Windows needs to get back
| to the BIOS to work. You need a reboot to get back to the BIOS. If a
| reset or loss of power occurs concurrent with the controlled reboot,
| it will be indistinguishable from the controlled reboot.
|
| So I believe your requirements may be impossible to meet without
| custom hardware or the other tricks you've already said are not
| suitable.

Or restore the BIOS vectors and re-enable the BIOS. Of course that much may
be unportable across different BIOSes.

--
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| Phil Howard KA9WGN (email for humans: first name in lower case at ipal.net) |
.

Relevant Pages

  • =?UTF-8?Q?Re:_Resetting_BIOS_to_factory_de?= =?UTF-8?Q?faults_when_you_don=C2=B4t_have_acces
    ... My BIOS is now inaccessible. ... Windows still booted so I tried A) B), ... If you have registered your computer for Password Reset Service, and you forgot your power-on or hard disk password, you can reset it by pressing the ThinkVantage button at the password prompt. ... v If you cannot reset your power-on password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled. ...
    (microsoft.public.windowsxp.general)
  • =?UTF-8?B?UmU6IFJlc2V0dGluZyBCSU9TIHRvIGZhY3RvcnkgZGVmYXVsdHMgd2g=?= =?UTF-8?B?ZW4geW91IGRvb
    ... My BIOS is now inaccessible. ... Windows still booted so I tried A) B), ... If you have registered your computer for Password Reset Service, and you forgot your power-on or hard disk password, you can reset it by pressing the ThinkVantage button at the password prompt. ... v If you cannot reset your power-on password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled. ...
    (microsoft.public.windowsxp.general)
  • =?UTF-8?Q?Re:_Resetting_BIOS_to_factory_de?= =?UTF-8?Q?faults_when_you_don=C2=B4t_have_acces
    ... My BIOS is now inaccessible. ... Windows still booted so I tried A) B), ... If you have registered your computer for Password Reset Service, and you forgot your power-on or hard disk password, you can reset it by pressing the ThinkVantage button at the password prompt. ... v If you cannot reset your power-on password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled. ...
    (microsoft.public.windowsxp.general)
  • Re: win xp user password
    ... Resetting your BIOS won't help with a Windows password. ... There is software that will enable you to reset your Windows Administrator ... reset the password for your user account. ...
    (microsoft.public.windowsxp.general)
  • Re: Booting with 80 Gig hard drive
    ... > motherboard and Phoenix version 2.2 BIOS. ... > I use Boot Manager with Windows XP on the first part of the HD and ... If your Windows XP partition is bigger than 500 megabytes, ...
    (freebsd-questions)