Problem with WD10EARS PCB

[mojimorady]

Dear guru
accept my regards
i have 2 hdds as follow :

WD 1TB , 3.5" Sata
the first hdd is WD10EARS-00Y5B1 , belongs to DRAGFLY2 Family in PC3000 WD-marvell Window
the 2nd one is WD10EARS-003BB1 , belongs to DRAGFLY2 Family too .

now i want to change the first hdd's pcb with thw 2nd one's , if i change the ROM chip , is that possible
to change their PCB with each other ?

if not , how can i change their pcb with each other ?

best regards

mojimorady

[hassan]

Dear mojimorady
please note that WD10EARS-00Y5B1 hase two PCB models
1- PCB no is : 701640 Rom size is 192KB
2- PCB no is : 771640 Rom size is 256KB

So befor swap PCB's check PCB number

[mojimorady]

Dear Hassan
hi
thank you for your guidance
finally based on your shared knowledge i found same PCB to my faulty one
and i could recovered what my costumer needs .

best regards