PC-3000 Forum

disk is 3.5 seagate ,disk is busy, What can be the issue

For DM series a repeating "FAIL Servo Op=0100 Resp=0003" and/or "FAIL Servo Op=0100 Resp=0007" is typically head failure. If head-0 has not failed you can sometimes gain access by editing the head map. Backup ROM before any modifications

Blizzard you're talking about that
https://blog.acelab.eu.com/pc-3000- ... maged.html
ok. thank you

ankarakecis wrote:Source of the post Blizzard you're talking about that
https://blog.acelab.eu.com/pc-3000- ... maged.html
ok. thank you

Yes, that looks like a good starting place for your case.