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Pin #4 is the ground pin. It is connected to the metal shield that was exposed by the damage.

Pin #3 is /WP (Write Protect). It merely controls whether data can be written to the chip.

The good ...

You MUST install the chip in its original orientation.

To help you any further, I need to know the placement of the chip on the board.

In any case your best course of action would be to seek the ...

Sorry, I didn't see your reply in my email.

Can you remember which way the chip was installed on the PCB? Pin 4 would be connected to ground. Therefore, a continuity test with the SATA power ground ...

The locating mark varies between chip manufacturers. Some use a dimple in the moulding adjacent to pin 1. Others have a notch at the edge of the moulding between pins 1 and 8.

Alternatively, the PC ...

I can't see the locating mark for pin #1. Which pins are missing -- 3 and 4, or 7 and 8?What does the locating mark look like? There's a code written on the chip.

hi,
which chip is broken? ROM chip? if so just rebuild ROM data be fine. you find out matching one nothing help. just need same model working PCB rebuild data data program into good PCB. please send ...

Now you have to fix that chip or refer to data recovery professionals.
There's really no fixing it, part of it is broken. And I can't send for a professional recovery. Now my question is: Obviously, ...

I tried fixing it like in that video, now the chip is screwed, part of it broke. If I get another PCB with complete matching numbers, will it work? What are my options now?

You have to transfer ROM chip from original PCB to a new one in order to match your drives unique microcode.If that means soldering, I'd really like to save that as a last resort for fear of messing u ...

I'll take either a PCB or hard drive, I just need the correct one with the correct firmware.

S/N: WCANK3619558

Western Digital 160GB Caviar SE
P/N: WD1600JB-00REA0
DATE: 15 MAY 2006
DCM: DSCA ...