I have one of the drives mentioned above with a damaged rom chip. I have tried pcbs from drives with the same model no and mlc. The customers drive now comes ready on mhdd but it says that it does not support lba mode. is there something else i should be able to match for compatibility or do i need to do somthing else. I have access to pc-3000 so is it possable to force compatibility. The original rom chip has a broken leg on it from where the customer tried to their own rom chip swap to sort out a power issue. thank you all for your time.

A broken leg on a rom chip can be repaired with a microscope and a firm hand.
I did this allready several times.

Dobre

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Murphy was an optimist

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I believe NV-RAM can be rebuilt from platters with this model of hard drive. Correct me if I'm wrong.

How would i go about doing that i take it i will need to use DE for this possibly the utility. But what option should i use to rebuild the nv-Ram

If you know how these drive work you can do it. I can either repair the damaged rom or rebuild.

I haven't checked but PC3000 probably has a button "RESTORE NVR FROM SA COPY" ..probably...

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All went well until I plugged the drive in.

Cheers will try i have just never worked with rebuilding nv-ram on these drives. will try in the morning.