[linux-help] Re: Can't mount cdrom

[David Carmichael <dec2955@xxxxxxxxxx>]

Bruce -

".....  My next move is to try to find out how to get to the Compaq bios
....."

I hate to tell you this but on most Compaq machines you need to have a BIOS
BOOT disk since it seems that you have formatted over the BIOS BOOT SECTOR
of your systems harddrive when you installed Linux. Other wise it should be
'F-10' key.

You will need to go the Compaq/HP tech support and find the correct download
that will create the needed BIOS disk image onto a FLOPPY [on a DOS/Windows
machine].... the first time you boot up to the 'A' drive the program will
then try to write the standard Compaq BIOS BOOT SECTOR to your 'C' harddrive
if you hit any key other than the prompted key 'not to create', at least on
the five different Compaq machines that I have had the "FUN" of working on.

--David

----- Original Message -----
From: "bruce" <bbales@xxxxxxx>
To: <linux-help@xxxxxxxxx>
Sent: Monday, July 08, 2002 11:33 PM
Subject: [linux-help] Re: Can't mount cdrom


>
> On Monday 08 July 2002 08:01 pm, you wrote:
> >
> > Check your dmseg output to see if it says anything about the cdrom
drive.
> > That section of mine looks like this:
> >
> >     ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
> >     ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
> > hda: WDC AC36400L, ATA DISK drive
> > hdc: Pioneer CD-ROM ATAPI Model DR-A14S 0104, ATAPI CD/DVD-ROM drive
> > hdd: ST3660A, ATA DISK drive
> > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> > ide1 at 0x170-0x177,0x376 on irq 15
> > hda: 12594960 sectors (6449 MB) w/256KiB Cache, CHS=784/255/63, UDMA(33)
> > hdd: 1065456 sectors (546 MB) w/120KiB Cache, CHS=1057/16/63, DMA
> > hdc: ATAPI 32X CD-ROM drive, 128kB Cache, DMA
> > Uniform CD-ROM driver Revision: 3.12
>
> In my dmesg, hdd is correctly identified, but the second mention is left
out.
>
>     ide0: BM-DMA at 0x1000-0x1007, BIOS settings: hda:DMA, hdb:pio
>     ide1: BM-DMA at 0x1008-0x100f, BIOS settings: hdc:pio, hdd:DMA
> hda: WDC AC11200L, ATA DISK drive
> hdd: BCD E520C, ATAPI CD/DVD-ROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: 2503872 sectors (1282 MB) w/256KiB Cache, CHS=621/64/63, DMA
> ide-floppy driver 0.97
>
> >
> > I don't understand how /proc/partitions (which you mentioned) works, but
> > you could look in /proc/ide which should have a directory for each ide
> > device configured (hda, hdb, hdc, hdd, etc). In the directory, it has
files
> > that have information like the model number, the driver, etc.
> >
> > Greg
>
> /proc/ide/ide1/hdd/ has five files (six in my working system) which all
but
> one seem to be right.  The last file /hdd/driver says (none).  In my
working
> system, a cd-rom driver is listed.  Since /proc isn't something that can
be
> just modified, I am stuck here.  The sixth file in my working system is
> /hdd/capacity and the contents are (0).
>
> The thought came to me that perhaps the bios is set up for just one ide
and
> maybe the install somehow bypasses this while the system installed does
not.
> My next move is to try to find out how to get to the Compaq bios.  None of
> the usual keystrokes seem to work.
>
> Thanks a lot, Greg
> bruce
>
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