Re: [colorforth] Booting from HDD
- Subject: Re: [colorforth] Booting from HDD
- From: "John Comeau" <jc@xxxxxxxxxxxx>
- Date: Sat, 15 Mar 2008 20:39:28 -0600
If I knew, I'd have put it in the message :^}
Unfortunately, those neurons were probably destroyed several hundred
beers ago. Most likely the best way to find out would be to use cvs to
check out the source as of the date of the release, and if there's a
.lst file it will show you (under the 'as' subdirectory). Sorry I
can't be of more use at the moment...
On Sat, Mar 15, 2008 at 3:37 PM, Nick Maroudas
<alice@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Dear John,
>
> Thanks for setting me right re P9492. I was way off.
> Might I ask you kindly, as the author of that version,
> also to set me right on what instruction or opcode
> stands at 0x92 bytes into the bootloader? By my crude
> reckoning (based on Tim's NASM cmcolor.list.txt) if
> "org7c00" is 0x00 then 0x92 has already set up the
> video mode (presumably AGP) copied all the blocks
> (presumably not via floppy :) and stands at
> "relocate:". Is this anywhere near your mark?
>
> Caritas,
>
> NickM
>
>
> Quoting John Comeau <jc@xxxxxxxxxxxx>:
>
> >... " P9492: 'P' is protected mode, 9492 is the last
>
>
> >... " hex address just past
> >... " which one of the debugging calls was executed.
> >... " If I remember right,
> >... " that version starts at 0x9400, so it's only 0x92
> >... " bytes into the
> >... " bootloader.
> >... "
> >... " On Sat, Mar 15, 2008 at 4:59 AM, Jason Kemp
> >... " <jason.kemp@xxxxxxxxxxxxxxxx> wrote:
> >... " > Dear Nick,
> >... " >
> >... " > Sorry, I sent this yesterday but it's been
> >... " bounced back.
> >... " >
> >... " > It doesn't boot from a flash drive.
> >... " >
> >... " > The board has a Phoenix BIOS and it
> >... " identifies a USB flash drive in the
> >... " > BIOS setup as "USB-HDD0" so I assume it is
> >... " emulating a hard disk--in
> >... " > fact I had the same flash drive running
> >... " FreeDOS before (so I could run
> >... " > Pygmy) and DOS saw it as the C: drive. So if
> >... " it's emulating a HDD then
> >... " > I expect that is why colorForth Won't boot
> >... " fully--it displays "P9492" in
> >... " > the top right though, which I assume is from
> >... " the progress routine in
> >... " > boot.asm. Lots of guessing and assuming at
> >... " the mo!
> >... " >
> >... " > Just a brief Google of USB Flash booting and
> >... " it appears that in some AMI
> >... " > BIOSes give a forced FDD emulation option.
> >... " >
> >... " > Jason
> >... " >
> >... " > Nick Maroudas said the following on
> >... " 14/03/2008 20:36:
> >... " >
> >... " >
> >... " > > Dear Jason,
> >... " > >
> >... " > > Looking forward to more from you and John
> >... " Comeau, on how
> >... " > > to boot (and save?) with his iso on your
> >... " flash drive.
> >... " > >
> >... " > > Re your not finding a version that works on
> >... " a 3GHz P4,
> >... " > > I
> >... " > > have the same experience with 3.3 GHz PD on
> >... " Intel945
> >... " > > board. None of the following booted
> >... " properly - not
> >... " > > John's CD of CFDOS4, nor floppies with
> >... " Chuck's CF01,
> >... " > > nor the Neitz/StMarie CF01, nor Josh's CF05
> >... " and a
> >... " > > related CF05 from Ray - though every one of
> >... " these ran
> >... " > > reliably on my 0.55 GHz P4/ASUS P2. However
> >... " (to my
> >... " > > relief!) Howerd Oakford's CFDOS4 (from
> >... " Howerd's
> >... " > > website)
> >... " > > runs on both the old and the new machine.
> >... " > >
> >... " > > http://www.inventio.co.uk/
> >... " > >
> >... " > > Scratching around for a possible reason, I
> >... " found JC's
> >... " > > meticulous comparison View of
> >... " > > /colorforth/boot_asm_list.txt on
> >... " SourceForge.net.
> >... " > > According to my understanding of John's
> >... " list, number 11
> >... " > > is the only one for sure that "has VESA
> >... " code instead of
> >... " > > AGP" - VESA/VBE being the new standard for
> >... " graphics
> >... " > > software of course.
> >... " > > JC lists number 11 as
> >... " "/usr/src/howerd/VESA/boot.asm"
> >... " > > but no. 10 is also by Howerd
> >... " > > "/usr/src/howerd/Quartus/BOOT.ASM # same as
> >... " Kris
> >... " > > Johnson's"
> >... " > > so I am not sure which boot.asm is used to
> >... " boot Howerd's
> >... " > > floppy, and which one is used to boot
> >... " John's CD (and
> >... " > > your USB flash drive). But if VESA code
> >... " does indeed
> >... " > > turn out to be crucial for some newer
> >... " machines, then I
> >... " > > shall owe it to JC's method for spotting
> >... " the difference
> >... " > > :-)
> >... " > >
> >... " > > Caritas,
> >... " > >
> >... " > > NickM
> >... " > >
> >... " > >
> >... " > > Quoting Jason Kemp
> >... " <jason.kemp@xxxxxxxxxxxxxxxx>:
> >... " > >
> >... " > >
> >... " > >> ... " It's fine on the Jetway
> >... " > >> ... " It doesn't work on my old Gateway
> >... " SOLO2150 which
> >... " > >> ... " runs the original CF01
> >... " > >> ... " and Josh Grams's CF05
> >... " > >> ... " So far nothing runs on my Asrock
> >... " P4i64G 3GHz P4;
> >... " > >> ... " anyway, I will try it again and pay
> >... " more
> >... " > >> ... " attention if you wish.
> >... " > >> ... "
> >... " > >> ... " I will try booting from a flash
> >... " drive later on
> >... " > >> ... " the Jetway too.
> >... " > >> ... "
> >... " > >> ... " Jason
> >... " > >> ... "
> >... " > >>
> >... " > >
> >... " > >
> >... "
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> >... " >
> >... " >
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> >... "
> >... "
> >... "
> >... " --
> >... " John Comeau <jc@xxxxxxxxxxxx>
> >... " http://jc.unternet.net/
> >... " "A place for everything, and everything
> >... " all over the place"
> >... "
> >... "
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>
>
> --
> Dr Nicolas George Maroudas
> Avigdor Meiri 9/1
> Sea View
> Haifa 3 55 00
> Israel
> Tel +972 048 337 315
>
> ****************************
>
> No trees were killed in the sending of this message.
> However, a large number of electrons were terribly
> inconvenienced
>
> ****
>
>
>
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--
John Comeau <jc@xxxxxxxxxxxx> http://jc.unternet.net/
"A place for everything, and everything
all over the place"
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