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Freakazoid
Data Recovery Novice
Posts: 145
Joined: Sat Mar 24, 2018 6:37 pm

Editing head map on ST31000528AS

Sat Jan 11, 2020 4:53 pm

Is it not possible to edit the head map on this ST31000528AS drive? if I set ROM physical head maps from 00 01 02 03 to 00 00 00 00
and same on ROM logical head map and edit SAP control flags max head to 0, then the hard drive will not start spinning (it behaves as if the circuit board is shorted but at the same time it gives the error message in terminal: Bad CRC Seg: 0x05
Bad CRC Seg: 0x24Bogus ISR
CPSR = 0x200000D2
R14 = 0x00001CFC

Im using Pc3000

(at least one of the heads is defective. what I'm trying to figure out is if head 0 still works

(this is my own hard drive for exploration only))

(((I was able to do it on another ST31000528AS why is it posibal only on some and not all of them)))

hdd00
Data Recovery Noob
Posts: 47
Joined: Fri Apr 10, 2015 4:37 am

Editing head map on ST31000528AS

Sun Jan 12, 2020 2:12 am

I think it depends of firmware version.

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