Hdd 0 sector write. Posibile or ?

  • Thread starter Thread starter djino
  • Start date Start date
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djino

I have one Maxtor slim (one plate) disk.The size is 40 GB.He become unstable
and
I lose my all my data.Bios see the disk just fine.But any system(windows or
Unix)
do not see him.I try to repair it from dos with
pqmagic,fdisk/mbr,Unix fips etc.But the error is still there.Neither one OS
( windows or Unix-linux,Free Bsd,Suse) can see the disk.After i realise that
the electornic part are OK I decide to open itand reverse the plate
I Heard that when they assembling HARD DISK's in factories they
use Procedure for creating null or boot sector.They conect the power (12 V)
on some pins on HDD .When the power is on the chip on hdd write
sector on the disc plate.In this sector we can create boot
sector.Considering i reverse
the plate in the disc. I wonder is there somebody who know anyhow to do
this.Or is
there any plan or diagram or something similarly that can create that null
(boot) sector.
If somebody have any information about this topic or URL,forum i will be
very
appreciative


Please e-mail me at (e-mail address removed)
Thanks in Advance
 
djino said:
I have one Maxtor slim (one plate) disk.The size is 40 GB.He become
unstable and
I lose my all my data.Bios see the disk just fine.But any system(windows
or Unix)
do not see him.I try to repair it from dos with
pqmagic,fdisk/mbr,Unix fips etc.But the error is still there.
Click to expand...

What error ? You need to post the BIOS message or output of fips , etc.

Neither one
OS ( windows or Unix-linux,Free Bsd,Suse) can see the disk.After i realise
that the electornic part are OK I decide to open itand reverse the plate
I Heard that when they assembling HARD DISK's in factories they
use Procedure for creating null or boot sector.They conect the power (12
V) on some pins on HDD .When the power is on the chip on hdd write
sector on the disc plate.In this sector we can create boot
sector.Considering i reverse
the plate in the disc. I wonder is there somebody who know anyhow to do
this.Or is
there any plan or diagram or something similarly that can create that null
(boot) sector.
If somebody have any information about this topic or URL,forum i will be
very
appreciative


Please e-mail me at (e-mail address removed)
Thanks in Advance
Click to expand...


Before you take the HD apart (which will be hermetically sealed and
instantly invalidate your warrantry) boot up from a linux boot disk, or the
SuSe CD with rescue system.
Assuming you have the hard drive on the first IDE connector as master linux
will identify your drive as /dev/hda if not replace hda with the correct
designation.
What is the output of
fdisk -l
hdparm -i /dev/hda
hdparm -g /dev/hda
If the partition table is corrupt or the last 2 bytes in the mbr are not set
to AA55 then your hard drive will not boot (irrespective of the os) So
as root, type fdisk /dev/hda/ (replace hda with the correct designation of
your hard drive ) then at the fdisk menu type x for extra functionality,
then d to print the raw data in the partition table. The last two bytes
1fe and 1ff (hex) should be set to aa55. Post this output please. The last
two lines of the mbr from my disk:-

0x1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA

Remember that the lsb is first, 55 followed by msb. It is also possible to
escape "the dmi screen of death" using linux fdisk. You may also get more
help from the gurus on comp.os.linux.misc if you are using a linux boot
disc.
 
djino said:
I have one Maxtor slim (one plate) disk.The size is 40 GB.He become
unstable and
I lose my all my data.Bios see the disk just fine.But any
system(windows or Unix)
do not see him.I try to repair it from dos with
pqmagic,fdisk/mbr,Unix fips etc.But the error is still there.Neither
one OS ( windows or Unix-linux,Free Bsd,Suse) can see the disk.After
i realise that the electornic part are OK I decide to open itand
reverse the plate
I Heard that when they assembling HARD DISK's in factories they
use Procedure for creating null or boot sector.They conect the power
(12 V) on some pins on HDD .When the power is on the chip on hdd write
sector on the disc plate.In this sector we can create boot
sector.Considering i reverse
the plate in the disc. I wonder is there somebody who know anyhow
to do this.Or is
there any plan or diagram or something similarly that can create that
null (boot) sector.
If somebody have any information about this topic or URL,forum i will
be very
appreciative


Please e-mail me at (e-mail address removed)
Thanks in Advance
Click to expand...

Don't take your drive apart ! Well, not unless you've got a clean room (in
the industrial sense).

Alan
 
I decide to open itand
reverse the plate
Click to expand...


you did what !!!!
ok let me get this straight ?
you opened the hard drive, and turned the disk over and put it back together
yes ?
 
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