I know most of these 80gb apple OEM drives with the 7.01 FW are for the bin but this one has me puzzled.

Interface task reset
4096k x 16 buffer detected
MERC2 - 1_Disk 0.02 05-
Buzz - 08-06 15:10
Head Mask FF,01 - Head Mask FF,02 - Head Mask FF,03 - Head Mask FF,04 - Head Mask FF,05 - Head Mask FF,06 - Head Mask FF,07 - Head Mask FF,08 - Head Mask FF,09 - Head Mask FF,0A -
Age=00 Type=00 MxCyl=0000052E MxHd=31A MxSct=2000 BSz=003B TCode=00000000
ErCt=0000 Hlth=0000 CHlth=0000 Ntrdy LBA=00000000
Pgm=00 Trk=000099EC(000099EC[000000]).0(0).000(000) Zn=FF Err=11 ErCt=0000 Hlth=0000 CHlth=0000 Ntrdy LBA=00000000

I replaced the heads and got the same results.

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Zero Alpha: zeroalpha.com.au
Find Cheap Donor Drives App: https://www.zeroalpha.com.au/donor-drive-app Updated February 2026

Is there a hairline scratch on the inner ring of the platter by any chance?

And did the heads work back in the donor?

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This drive has 3 heads so its not possible to find MD. Yes the heads worked back in the donor. I know MD is the most probable cause but this drive is not 'clicking' after it spins up.

_________________
Zero Alpha: zeroalpha.com.au
Find Cheap Donor Drives App: https://www.zeroalpha.com.au/donor-drive-app Updated February 2026