G4 Dual 867 Won't boot from HD or CD.

Discussion in 'Macintosh Computers' started by MacFocus, Aug 5, 2004.

  1. macrumors member

    #1
    I have a G4 dual 867. It always worked flawlessly in OS-x (jaguar and Panther)
    I got a new G5 and so the 876 get a new task.

    for the next couple of months it has to boot in OS9.

    Old setup:
    Panther 10.3.4./ 60 GB sytem HD 2 x 80 GB striped HD(softwareRAID)
    1.25GB RAM
    Superdrive + old CD-rom drive.

    The problem is that when I formatted the disc sometimes shows and sometimes it doesn't.
    Boot from Norton CD- Machines boot fine but no disc available
    Boot from OS-9 CD- Machines boot fine but no disc available

    After reformatting the disc in another machine isstall was possible. In fact I could even use the damn thing. Only problem was very slow copy from/to our Ethershare server. (16 minutes for 1 MB)

    I didn't trust the install and decided to install again.
    So now it;
    - won't boot from any CD
    - When I press any button during startup, I on;y get a lightened screen, but nothing on it.
    - When trying to boot from the HD it seems like an extension conflict. (which is very hard, because it should only load the CD driver & the USB driver)

    I've perfomed a Open Firmware reset, PMU reset, changed the battery, removed the extra RAM to its factory default, changed HD's etc.

    Does anyone have any idea?

    HELP!!

    To be complete; I've tried to use all 3 discs in different setups/positions/ATA channels.
     
  2. Guest

    caveman_uk

    Joined:
    Feb 17, 2003
    Location:
    Hitchin, Herts, UK
  3. macrumors 604

    MacsRgr8

    Joined:
    Sep 8, 2002
    Location:
    The Netherlands
    #3
    Does your Mac boot from the CD if you disconnect the Hard Drive?
     
  4. thread starter macrumors member

    #4
    Yes they are. I,ve tried using different discs and connecting disconnecting cables/drives.
    It will start booting from the disc on the ATA 66 bus (the bus for disc 3 and 4) but hang halfway startup. It will boot with extensions off.

    But as soon as I touch a key on the keyboard then it won't boot.
    It just gives me a lightend screen. (I noticed that when starting with an 23" display it lightengs the screen in 2 steps during startup. the first step is a sort of low intensity mode, after a few second the screen lightens in its normal mode)

    Why can't I boot from CD?
    It did before.
     
  5. macrumors 6502

    Joined:
    May 2, 2003
    Location:
    The Netherlands - Utrecht
    #5
    In the manual of my G4 i once read, that the G4 does not function if any IDE device is set to Cable Select, so it has to be either Master or Slave.

    Hope it helps.

    Cuckoo
     

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