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MK8007GAH 1.8" Toshiba Parameter storage

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dobrevjetser

Post subject: MK8007GAH 1.8" Toshiba Parameter storage

Posted: January 30th, 2008, 9:38

Joined: December 27th, 2006, 10:15
Posts: 1852
Location: Belgium

Hi,

Anyone has an idea where the parameters for this drive are stored ?
The Marvell chip is cooked, so i hope it is not in that one.
Any help appreciated.

Thanks in advance,

Dobre

Attachment:

File comment: PCB

100_3829b.jpg [ 295.57 KiB | Viewed 4283 times ]

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pepe

Post subject: Re: MK8007GAH 1.8" Toshiba Parameter storage

Posted: January 30th, 2008, 17:02

Joined: October 3rd, 2005, 0:40
Posts: 4755
Location: Hungary

Hi Dobre,

Let's think a bit...
IC6 seems to be Motor Combo,
IC21 must be Buffer RAM,
IC26 seems to be a DC-DC converter,
As I don't see any other IC, I am afraid the ROM code is in the Marvel.....

However I am almost sure there's a copy on the surface, but I haven't have time to research this matter and how to load this code into a new PCB....
so I don't have a solution for this thing at the moment.
sorry,
pepe

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Doomer

Post subject: Re: MK8007GAH 1.8" Toshiba Parameter storage

Posted: January 30th, 2008, 17:58

Joined: September 29th, 2005, 12:02
Posts: 3577
Location: Chicago

That's correct pepe
ROM is inside Marvell chip

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helpdisc

Post subject: Re: MK8007GAH 1.8" Toshiba Parameter storage

Posted: February 4th, 2008, 13:05

Joined: December 12th, 2005, 3:32
Posts: 709
Location: Belgrade

how do You know it is dead?

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dobrevjetser

Post subject: Re: MK8007GAH 1.8" Toshiba Parameter storage

Posted: February 5th, 2008, 4:22

Joined: December 27th, 2006, 10:15
Posts: 1852
Location: Belgium

Hi Helpdisk,

As soon as i put power on it the pcb draws some amps and the Marvell Chip gets really really hot.

Dobre

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helpdisc

Post subject: Re: MK8007GAH 1.8" Toshiba Parameter storage

Posted: February 5th, 2008, 4:44

Joined: December 12th, 2005, 3:32
Posts: 709
Location: Belgrade

open the top cover, On those drives I had only motor stuck problems.

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