I have several external hard drives (IBM/Hitachi and Western Digital) which I installed into OWC FireWire enclosures. I have no difficulty formatting and partitioning the drives with Disk Utility unde OS 10.3.5. On Sunday, October 17, 2004, at 08:00PM, Carol <java_j at macosx.com> wrote: >I recently purchased a Mercury Elite Pro Firewire drive from OWC. It >came with Hard Disk Speed Tools. I am attempting to check out the drive >with their program called Integrity. > >I am using a dual-boot. dual processor 1.25 G4 running OS 10.3.5. The >drive is giving me errors when it compares what it wrote to what it >attempted to write. The manufacturer suggests zero formatting with Disk >Utility. That has failed. > >What is strange is that I can reformat the drive using Hard Disk Speed >Tools under OS 9.2.2 on my older single processor G4. The Classic >version of Integrity does not report read/write errors. > >Then I tried the Classic version of Integrity on my dual processor after >I booted it to OS 9. I still had read/write errors. > >This sounds to me like a problem with the dual processor and not the >drive. Any other hints? > >Apple tech support suggested that I try reformatting the drive on my >single processor using Disk Setup in OS 9 since I had no luck with Disk >Utility in OS 10.3.5. > >Will Drive Setup even format firewire drives? My drive mounted and >showed up with Disk First Aid, but it did not show up under Drive Setup.