View topic - ST9750420AS

Main » Forums home » Conventional hard drives

All times are UTC - 5 hours [ DST ]

ST9750420AS

Page 1 of 1

[ 6 posts ]

Previous topic | Next topic

Author

Message

unknown

Post subject: ST9750420AS

Posted: August 2nd, 2016, 16:11

Joined: October 21st, 2007, 8:48
Posts: 1712

Hello,
Terminal output:
EarlySpinup Enabled
Rst 0x10M
ExecuteSpinRequest
LED:00000067 FAddr:00380338
LED:00000067 FAddr:00380338
I need to know which points for read channel.
Thanks in advance friends.
Attached pictures and ROM :

Attachments:

ROM.rar [434.58 KiB]
Downloaded 413 times

IMG_20160802_215606.jpg [ 1.59 MiB | Viewed 5347 times ]

IMG_20160802_215546.jpg [ 1.9 MiB | Viewed 5347 times ]

Top

fzabkar

Post subject: Re: ST9750420AS

Posted: August 2nd, 2016, 16:26

Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia

Measure the voltages at the indicated test points.That should help us to differentiate between the read and write channels.

Attachments:

R_W_channels.jpg [ 111.8 KiB | Viewed 5341 times ]

_________________
A backup a day keeps DR away.

Top

unknown

Post subject: Re: ST9750420AS

Posted: August 2nd, 2016, 18:11

Joined: October 21st, 2007, 8:48
Posts: 1712

Thanks for the reply Mr. Frank.
I will get to the office tomorrow and post the results.
Thank you.

Top

datahdd116

Post subject: Re: ST9750420AS

Posted: August 3rd, 2016, 6:02

Banned User

Joined: January 1st, 2016, 11:12
Posts: 90
Location: Viet nam

fzabkar wrote:

Measure the voltages at the indicated test points.That should help us to differentiate between the read and write channels.

wow good

_________________
Banned for spamming

Top

unknown

Post subject: Re: ST9750420AS

Posted: August 3rd, 2016, 9:21

Joined: October 21st, 2007, 8:48
Posts: 1712

Thank you Mr. Frank :

Attachments:

R_W_channels.jpg [ 57.94 KiB | Viewed 5249 times ]

Top

eng.mas

Post subject: Re: ST9750420AS

Posted: January 25th, 2017, 7:28

Joined: January 1st, 2015, 9:04
Posts: 138
Location: palestine

unknown wrote:

Thank you Mr. Frank :

I have similar case
So, The read channel the two point in the left side or in the right

and can you give me a procedure for how to apply this to get terminal access?

_________________
Expect, the Unexpected

Top

Page 1 of 1

[ 6 posts ]

Main » Forums home » Conventional hard drives

All times are UTC - 5 hours [ DST ]

Who is online

Users browsing this forum: No registered users and 83 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum