General Category > Lisa Troubleshooting and Repair
Apple Lisa 2/10 starting up with Profile only; red light stays on
stepleton:
All right, I tried both of my ProFiles on parallel cards on my 2/10 and on my Lisa 1, and they both behave the way that's described in the original post. The READY light remains on until you power up the Lisa, and then it starts the surface scan.
Two ProFiles, two Lisas, two parallel port cards. (Same cable though.) It could be this is just standard behaviour.
mactjaap:
Thank you very much for testing! Good to know that this seems to be standard.
cheesestraws:
My newly not-quite-resurrected-but-no-longer-actively-emitting-black-smoke profile does exactly the same; red light is solid until the Lisa is turned on, then the surface scan happens. Tried with two different cables. So perhaps this is just how it is?
mactjaap:
I think it is....
I forgot to tell them in this modus the disk makes a terrible noise. Frightening... is if the disk will break any moment. If I turn on the Lisa the disk just works normal and without the terrible noise.
stepleton:
This is surprising --- there should be no difference to how the drive operates mechanically whether the Lisa is connected or not. What kind of terrible noise? If it's some kind of buzz I could imagine something strange like the stepper motor for the head doing some wild behaviour (for reasons unknown), but if it's the usual ProFile grinding or squealing then my instinct would be to suspect a coincidence. Can you describe the sound?
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