ST9750420AS

[unknown]

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

[fzabkar]

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 5336 times

[unknown]

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

[datahdd116]

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

wow good

[unknown]

Thank you Mr. Frank :

Attachments

R_W_channels.jpg (57.94 KiB) Viewed 5244 times

[eng.mas]

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?