Grenada Firmware repair

[terminator2]

I have Grenada 58 family disk ST500DM002 -C45 , I am unable to get firmware access & hence proper sector access ( sector can be read but lots of defects even in MFT's)
What should I do now.

Attachments

[michael chiklis]

locked firmware?
Check in terminal if does accept commands.
If fw is locked, when you send commands on terminal, it will respond "locked"

[terminator2]

locked firmware?
Check in terminal if does accept commands.
If fw is locked, when you send commands on terminal, it will respond "locked"

Thanks michael
I can issue command so it seems is not firmware locked but I cannot access any system files .

[michael chiklis]

you can send commands also if is locked, but if is locked it returns "locked".
For example, you can check if P-list is available with command V10 in level T if fw is not locked.
Does it show P-list log in terminal if you send V10 command?

[terminator2]

you can send commands also if is locked, but if is locked it returns "locked".
For example, you can check if P-list is available with command V10 in level T if fw is not locked.
Does it show P-list log in terminal if you send V10 command?

I get DiagError for both V10 & V40 commands.

Attachments

[SWM]

Switch the power without turning off the terminal.
Then press Ctrl Z and Ctrl X.
This log will be more informative. Apparently (5104), not everything is read in the CA

[terminator2]

Switch the power without turning off the terminal.
Then press Ctrl Z and Ctrl X.
This log will be more informative. Apparently (5104), not everything is read in the CA

Thanks SWM
I tried this there is slight change in terminal message now
F3 T>V10
DiagError 00005104
DiagError 00005104
Invalid Diag Cmd Parameter
F3 T>
Boot 0x40M
Spin Up
Trans.
Spin Up
SpinOK
TCC:001B


ASCII Diag mode

F3 T>
ASCII Diag mode

F3 T>

[ccc]

After entering T> level press Ctrl+X and post here the result.

[terminator2]

After entering T> level press Ctrl+X and post here the result.

Thanks ccc
Nothing happens after CTRL+X .Drives does not show any output .It responds to CTRL+Z only.

[SWM]

Invalid Diag Cmd Parameter

???
Select the correct (USB-TTL) terminal voltage level.
I don't know how to do this on the PC3000.
Check the connections.

[terminator2]

Invalid Diag Cmd Parameter

???
Select the correct (USB-TTL) terminal voltage level.
I don't know how to do this on the PC3000.
Check the connections.

Thanks SWM
Finally only after head change I could recover data.