
LaCie hard disk • DESIGN BY NEIL POULTON  | Troubleshooting  | 
User Manual  | page 22  | 
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5.2. Troubleshooting the Host Connection
Problem | Question to Ask | 
The LaCie hard disk is not recognized when the  | Verify the System LED status to confirm power.  | 
interface cable is plugged in.  | Verify HBA BIOS recognizes empty hard disk.  | 
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  | Turn off PCI bus power save mode in the host BIOS.  | 
  | Verify the interface connection and try a different interface cable.  | 
  | Connect to a different interface port.  | 
Operating system does not recognize LaCie  | Verify HBA BIOS recognizes empty LaCie hard disk.  | 
virtual drives.  | Before reconfiguring the mode of operation, use the operating system’s Disk Man-  | 
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  | ager to delete partitions on the volume.  | 
  | Ensure the HBA driver is current.  | 
  | Troubleshoot driver: | 
  | ✦✦ Verify driver active status. For Windows, the Device Manager should show the  | 
  | SCSI icon next to the HBA. For Mac OS X, the Disk Utility should show a SCSI  | 
  | Connection ID for the virtual disks on the physical hard disk drives. Error mes-  | 
  | sages during the driver installation would have indicated issues.  | 
  | ✦✦ Resolve resource conflicts (IRQ, DMA, or I/O).  | 
  | Verify port multiplier (PM) support in the HBA.  | 
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