Hello, I want to put a 2nd hard drive into my old PowerBook (12" Alu 1ghz G4) to back up photos when i go away. I intend to replace the optical drive - I've seen the 'MCE OptiBay Hard Drives' (http://www.mcetech.com/optibay/)- but i'm in the UK and after import duty etc etc... anyway, can i connect the 2nd hard drive directly to the optical drive connection point on the logic board? (is that what the 'optibay' drives do? would it just recognize it as a 2nd HD? finally should i use one of these to do it? - Apple Part #: 922-5740 - http://www.thebookyard.com/product.php?manufacturers_id=15&products_id=269
The optical drive cable and the hard drive cable are not the same. The opti-bay devices use a custom cable. An adaptor of some sort is possible, 50 pin ide to 44 pin but difficult. The optical drive uses a seperate ATA bus that is usually much slower than that of the hard drive. (I know the ibook G4's is only ATA 33) It may be easier and faster to attach a second drive to the existing hard disk cable, a two drive 44 pin adaptor cable should be doable.
I don't think you can connect a second drive to the PowerBook G4's Hard Drive bus as a Master-Slave set-up. You can't on the Wallstreet, I know 'cause I've tried: http://flux.openobjectproject.org/?p=27
And the PB G4 Developer Notes say the same thing: Device active or slave present; not available on this computer
Also, confirming mordaskyt's info, the Optical bay connector runs off a separate EIDE bus at 33 MHz. You could run a Hard Drive off it but it would be slower (the main bus is 100 MHz)
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