HD crash: Unable to read partition table

[Stoilis Giannis]

Quoting Harris Kosmidhs <hkosmidi at hal.csd.auth.gr>:

> On Tue, 11 Jun 2002, Stoilis Giannis wrote:
> 
> > prosfata enas diskos se mia etaireia me win2000 egine format kai 
> > epanegkatastash win2000 apo panw, prin ma8oume telika oti kapoia
> arxeia mesa 
> > apo autocad htan tromera shmantika. meta apo mia ereunas agoras mesw
> google, 
> > mia etaireia prosfer8hke na mas kanei restore ta dedomena me 1000
> dollaria 
> > (mono).
> > 
> > - giannis
> 
> Pos akribos ginetai auto? 8a mou peite me eidika mhxanhmata ;-)
> Ok apla roto to format den ta sbhnei ta data? Apla ta 8eorei sbhsmena
> kai
> mporei na 3anagrafei pano apo ta idia tmhmata tou diskou?

eixa diabasei mia meleth panw sto 8ema. an 8umamai kala, ginetai to ekshs:
ola basizontai sto oti sta magnhtika mesa apo8hkeushs to bit 1 kai to 0 einai
magnhtika pedia. etsi, to bit 1 antiprosopeuetai apo timh apo poume 0,5-1 kai to
bit 0 apo 0-0,4.
h meleth elege oti an ena bit htan 1 kai eixe timh 1 sto mangnhtiko tou pedio
kai meta ginei bit 0, tote to magnhtiko pedio 8a pesei men sto pedio 0-0,4(p.x.
0.3), alla 8a einai diaforetikh h timh tou an htan prwta 0 (8a ginei p.x. 0,1).
gia auto akribws uparxoun kapoia ergaleia opws to shred, to opoia den sbhnei
apla ta data sou, alla kanei overwrite arketes fores (10 nomizw) thn
sugkekrimenh perioxh ston disko, wste na mhn uparxei tropos na ma8eis thn arxikh
timh tou magnhtikou pediou se ekeino ton disko.

> Harris (hkosmidi at hal.csd.auth.gr)

- giannis stoilis